MATLAB Function Reference (Volume 2: Graphics)

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ezsurfPurpose2ezsurfEasy to use 3-D colored surface plotterSyntaxDescriptionRemarksezsurf(f)ezsurf(f,domain)ezsurf(x,y,z)ezsurf(x,y,z,[smin,smax,tmin,tmax]) or ezsurf(x,y,z,[min,max])ezsurf(...,n)ezsurf(...,'circ')ezsurf(f) creates a graph of f(x,y), where f is a string that represents amathematical function of two variables, such as x and y.The function f is plotted over the default domain: -2π < x < 2π, -2π < y < 2π.MATLAB chooses the computational grid according to the amount of variationthat occurs; if the function f is not defined (singular) for points on the grid, thenthese points are not plotted.ezsurf(f,domain) plots f over the specified domain. domain can be either a4-by-1 vector [xmin, xmax, ymin, ymax] or a 2-by-1 vector [min, max] (where,min < x < max, min < y < max).If f is a function of the variables u and v (rather than x and y), then the domainendpoints umin, umax, vmin, and vmax are sorted alphabetically. Thus,ezsurf('u^2 - v^3',[0,1],[3,6]) plots u 2 - v 3 over 0 < u < 1, 3 < v < 6.ezsurf(x,y,z) plots the parametric surface x = x(s,t), y = y(s,t), and z = z(s,t)over the square: -2π < s < 2π, -2π < t < 2π.ezsurf(x,y,z,[smin,smax,tmin,tmax]) or ezsurf(x,y,z,[min,max]) plotsthe parametric surface using the specified domain.ezsurf(...,n) plots f over the default domain using an n-by-n grid. Thedefault value for n is 60.ezsurf(...,'circ') plots f over a disk centered on the domain.rotate3d is always on. To rotate the graph, click and drag with the mouse.2-150
ezsurfArray multiplication, division, and exponentiation are always implied in theexpression you pass to ezsurf. For example, the MATLAB syntax for a surfaceplot of the expression,sqrt(x.^2 + y.^2);is written as:ezsurf('sqrt(x^2 + y^2)')That is, x^2 is interpreted as x.^2 in the string you pass to ezsurf.Examplesezsurf does not graph points where the mathematical function is not defined(these data points are set to NaNs, which MATLAB does not plot). This exampleillustrates this filtering of singularities/discontinuous points by graphing thefunction,f( x,y) = real( atan( x + iy))over the default domain -2π < x < 2π, -2π < y < 2π:ezsurf('real(atan(x+i*y))')real(atan(x+i y))210−1−250y−5−5x052-151
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MATLAB®The Language of Technical C
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Contents1Command SummaryGeneral Pur
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1Command SummaryThis chapter lists
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Controlling the Command Windowclcec
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evalinfevalfunctionglobalnargchkper
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InfInfinityinputname Input argument
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ealremroundsec, sechsignsin, sinhsq
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funmlogmsqrtmEvaluate functions of
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Polynomial and Interpolation Functi
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Sparse Systems of Linear Equationsb
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hex2dechex2numIEEE hexadecimal to d
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Multidimensional Array Functionscat
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stream3streamlinesurf2patchsubvolum
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colormapgraymonhsv2rgbrgb2hsvrgbplo
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Interactive User Inputginput Graphi
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2ReferenceThis chapter describes al
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areaExamplesPlot the values in Y as
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axesWhile the basic purpose of an a
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axesIn this example, the first plot
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axesProperty Name Property Descript
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Axes Propertiesgraphics object disp
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Axes PropertiesCameraViewAngleCamer
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Axes PropertiesCurrentPoint 2-by-3
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Axes Propertiesautomatically sets t
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Axes Propertiessetting the XLabel,
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Axes Propertiessets LineStyleOrder
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Axes Propertiesaxes are made as lar
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Axes PropertiesTypestring (read onl
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Axes PropertiesXLabel, YLabel, ZLab
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axisPurpose2axisAxis scaling and ap
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axisaxis normal automatically adjus
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axisThe right figure shows a more s
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ar, barhPurpose2bar, barhBar chartS
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ar, barhExamplesPlot a bell shaped
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ar3, bar3hPurpose2bar3, bar3hThree-
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ar3, bar3hsubplot(3,2,4)bar3(Y,0.5,
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oxPurpose2boxControl axes borderSyn
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camdollyPurpose2camdollyMove the ca
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camlightPurpose2camlightCreate or m
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camlookatPurpose2camlookatPosition
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camorbitPurpose2camorbitRotate the
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campanPurpose2campanRotate the came
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camposSee Alsoaxis, camproj, camtar
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camrollPurpose2camrollRotate the ca
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camtargetExamplesThis example moves
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camupSee Alsoaxis, camproj, campos,
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camvaSetting a camera view angle or
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capturePurpose2captureis obsolete i
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caxismap them to an entry in the co
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caxisThe blue color of the ocean is
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clabelPurpose2clabelContour plot el
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clfPurpose2clfClear current figure
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closemust specify the hidden option
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colorbarExamplesDisplay a colorbar
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colormapPurpose2colormapSet and get
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colormapExamplesThe images and colo
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ColorSpecPurpose2ColorSpecspecifica
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cometPurpose2cometTwo-dimensional c
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compassPurpose2compassPlot arrows e
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coneplotPurpose2coneplotPlot veloci
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coneplot• Draw the cones, setting
Page 129 and 130: coneplotSee Alsoisosurface, patch,
Page 131 and 132: contourRemarksExamplesIf you do not
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Page 135 and 136: contour3RemarksExamplesIf you do no
Page 137 and 138: contourccontours using a regularly
Page 139 and 140: contourfExamplesCreate a filled con
Page 141 and 142: contoursliceExamplesThis example us
Page 143 and 144: contrastPurpose2contrastGrayscale c
Page 145 and 146: copyobjExamplesCopy a surface to a
Page 147 and 148: cylinderExamplesCreate a cylinder w
Page 149 and 150: daspectPurpose2daspectSet or query
Page 151 and 152: daspectSetting the data aspect rati
Page 153 and 154: datetickDateform Format Example12 m
Page 155 and 156: default4Purpose2default4MATLAB Vers
Page 157 and 158: dragrectPurpose2dragrectDrag rectan
Page 159 and 160: errorbarPurpose2errorbarPlot error
Page 161 and 162: errordlgPurpose2errordlgCreate and
Page 163 and 164: ezcontourPurpose2ezcontourEasy to u
Page 165 and 166: ezcontourSee Alsocontour, ezcontour
Page 167 and 168: ezcontourff( x,y) 31 ( - x) 2 e- x2
Page 169 and 170: ezmeshPurpose2ezmeshEasy to use 3-D
Page 171 and 172: ezmeshSee Alsoezcontour, ezcontourf
Page 173 and 174: ezmeshcArray multiplication, divisi
Page 175 and 176: ezplotPurpose2ezplotEasy to use fun
Page 177 and 178: ezplot3Purpose2ezplot3Easy to use 3
Page 179: ezpolarPurpose2ezpolarEasy to use p
Page 183 and 184: ezsurfcPurpose2ezsurfcEasy to use c
Page 185 and 186: ezsurfcy/(1 + x 2 + y 2 )0.505−0.
Page 187 and 188: feather21.510.50−0.5−1−1.5−
Page 189 and 190: figurePurpose2figureCreate a figure
Page 191 and 192: figureProperty Name Property Descri
Page 197 and 198: Figure PropertiesFigureProperties2F
Page 199 and 200: Figure PropertiesThis close request
Page 201 and 202: Figure PropertiesIf a figure contai
Page 203 and 204: Figure Propertiescontains colors th
Page 205 and 206: Figure PropertiesYou can set the ro
Page 207 and 208: Figure PropertiesTo ensure MATLAB u
Page 209 and 210: Figure PropertiesProperty ValueA4A5
Page 211 and 212: Figure PropertiesPointerShapeHotSpo
Page 213 and 214: Figure PropertiesThere is also a Si
Page 215 and 216: Figure PropertiesResize{on} | offWi
Page 217 and 218: Figure Propertiesclick. See uicontr
Page 219 and 220: Figure PropertiesWindowButtonDownFc
Page 221 and 222: Figure PropertiesThe information re
Page 223 and 224: fillIf C is a row vector, fill gene
Page 225 and 226: fill3If you specify color using C,
Page 227 and 228: findfigsPurpose2findfigsFind visibl
Page 229 and 230: findobjSee Alsocopyobj, gcf, gca, g
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fplotExamples Plot the hyperbolic t
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frame2imPurpose2frame2imConvert mov
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gcboPurpose2gcboReturn the handle o
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gcoPurpose2gcoReturn handle of curr
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geta = get(h,'Default') returns all
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getframeMATLAB and that can take ad
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ginputPurpose2ginputInput data usin
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gplotExamplesTo draw half of a Buck
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gridPurpose2gridGrid lines for two-
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helpdlgPurpose2helpdlgCreate a help
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hiddenPurpose2hiddenRemove hidden l
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histExamplesGenerate a bell-curve h
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holdPurpose2holdHold current graph
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im2framePurpose2im2frameConvert ind
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imageimage(x,y,C,'PropertyName',Pro
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imageWhen you write an indexed imag
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imageProperty Name Property Descrip
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Image PropertiesImageProperties2Ima
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Image Propertiesproduces:0.511.522.
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Image Properties• xor - Draw and
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Image Propertiesdefine the ButtonDo
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imagescPurpose2imagescScale data an
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imagescSee Alsoimage, colorbar2-245
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inputdlgPurpose2inputdlgCreate inpu
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ishandlePurpose2ishandleDetermines
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isocapsPurpose2isocapsCompute isosu
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isonormalsPurpose2isonormalsCompute
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isosurfacePurpose2isosurfaceExtract
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isosurfaceSee Alsoisonormals, isoca
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legendlegend_handle = legend return
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lightPurpose2lightCreate a light ob
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lightProperty Name Property Descrip
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Light PropertiesLightProperties2Lig
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Light PropertiesWhen a handle’s v
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lightanglePurpose2lightangleCreate
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linePurpose2lineCreate line objectS
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lineFinally, pop the first line to
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lineProperty Name Property Descript
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lineProperty Name Property Descript
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Line PropertiesCreateFcnstringCallb
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Line PropertiesSetting HandleVisibi
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Line PropertiesMarker Specifierphno
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Line PropertiesZDatavector of coord
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LineSpecLine Style SpecifiersSpecif
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LineSpec• LineWidth - specifies t
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LineSpec10.80.60.40.20−0.2−0.4
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listdlgExampleThis example displays
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loglogExamplesCreate a simple loglo
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materialproperties of all surface a
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mesh, meshc, meshzwireframe with hi
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mesh, meshc, meshzmeshc calls mesh,
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movieExamples Animate the peaks fun
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msgboxPurpose2msgboxDisplay message
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newplotNextPlotreplaceWhat HappensR
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orientPurpose2orientSet paper orien
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pagedlgPurpose2pagedlgDisplay page
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patchPurpose2patchCreate patch grap
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patchColor Data InterpretationYou c
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patch2V2 V31.91.8V51.71.61.51.41.31
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patchRootFigureAxesUicontrolUimenuU
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patchProperty Name Property Descrip
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patchProperty Name Property Descrip
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Patch PropertiesButtonDownFcn strin
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Patch PropertiesThe second diagram
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Patch PropertiesYou can also set th
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Patch PropertiesFaceColor{ColorSpec
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Patch Properties• An n-by-1 matri
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Patch Propertiesprotect GUIs from c
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Patch PropertiesMarker Specifierd^v
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Patch PropertiesYou can also set th
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pbaspectPurpose2pbaspectSet or quer
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pbaspectIt is also interesting to l
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pbaspect0.50−0.520−2−2020.50
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pcolorExamplesA Hadamard matrix has
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peaksPurpose2peaksA sample function
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pieExamplesEmphasize the second sli
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plotPurpose2plotLinear 2-D plotSynt
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plotproduce this graph.3210−1−2
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plot1Plot of sin(Θ)0.80.60.40.2sin
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plot33530252015105010.510−0.5−1
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plotmatrix50−51050−51050−5−
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plotyy10.500−10 1 2 3 4 5 6 7 −
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polarSee Alsocart2pol, compass, Lin
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print, printoptpcmd and dev are pla
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print, printoptDevice-dcdj550-dpain
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print, printoptOption-rnumber-adobe
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print, printoptTroubleshooting MS-W
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print, printoptNotes on Printing In
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printdlgPurpose2printdlgDisplay pri
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questdlgExampleCreate a question di
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quiverExamples Plot the gradient fi
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quiver3Examples Plot the surface no
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ox• For box definition, initialRe
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ectanglevertical curvature can be d
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ectangleThis example creates an ell
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ectangleProperty Name Property Desc
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ectangle propertiesRectanglePropert
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ectangle propertiesEraseMode{normal
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ectangle propertiesHitTest{on} | of
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ectangle propertiesVisible{on} | of
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educepatchThe number of output tria
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educevolumePurpose2reducevolumeRedu
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educevolumeSee Alsoisosurface, isoc
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esetPurpose2resetReset graphics obj
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gbplotPurpose2rgbplotPlot colormapS
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ibbonExamplesCreate a ribbon plot o
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oot objectProperty Name Property De
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oot objectProperty Name Property De
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Root Propertieswhich does not resta
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Root PropertiesLanguagestringSystem
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Root PropertiesShowHiddenHandleson
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osePurpose2roseAngle histogramSynta
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otatePurpose2rotateRotate object ab
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otate3dPurpose2rotate3dRotate axes
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scatter−47.95−48−48.05−48.1
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scatter3Examples[x,y,z] = sphere(16
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semilogx, semilogyPurpose2semilogx,
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setPurpose2setSet object properties
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setparticular figure. When this fig
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shadingAlgorithmshading sets the Ed
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shrinkfacesPurpose2shrinkfacesReduc
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shrinkfacesAfter Shrinking210−1
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sliceRemarks The color drawn at eac
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sliceThe following picture illustra
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slice21.510.50−0.5−1−1.5−22
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spherePurpose2sphereGenerate sphere
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spinmapPurpose2spinmapSpin colormap
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stairs10.80.60.40.20−0.2−0.4−
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stemExamplesCreate a stem plot of 1
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stem3:21.510.500.50.40.30.20.1000.2
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stream3Purpose2stream3Compute 3-D s
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streamlineor[stepsize, max_number_v
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subplothandle, so it is an error to
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subvolume• A 100-element grayscal
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surf, surfcAlgorithmAbstractly, a p
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surf, surfcColor a sphere with the
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surf2patchAlso, because patch is a
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surfaceRemarksUnlike high-level are
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surfaceObjectHierarchyRootFigureAxe
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surfaceProperty Name Property Descr
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surfaceProperty Name Property Descr
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Surface PropertiesButtonDownFcn str
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Surface PropertiesEdgeColor{ColorSp
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Surface PropertiesFaceColorColorSpe
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Surface Propertiesgetframe, or paus
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Surface PropertiesMarkerSize size i
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Surface PropertiesVertexNormals vec
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surfllight source, use surfl(X',Y',
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surfnormPurpose2surfnormCompute and
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terminalPurpose2terminalSet graphic
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texlabelPurpose2texlabelProduce TeX
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textPurpose2textCreate text object
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textannotate the point at (pi,0) wi
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textProperty Name Property Descript
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textProperty Name Property Descript
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Text PropertiesCreateFcnstringCallb
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Text PropertiesExtentposition recta
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Text PropertiesWhen a handle is not
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Text PropertiesPosition[x,y,[z]]Loc
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Text PropertiesCharacterSequenceSym
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Text PropertiesVerticalAlignment to
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titlePurpose2titleAdd title to curr
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trimeshPurpose2trimeshTriangular me
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uicontextmenuPurpose2uicontextmenuC
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uicontextmenuWhen the user extend-c
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uicontextmenu Propertiesdefines a d
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uicontextmenu Propertieswhere vecto
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uicontrolString property (even thou
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uicontrolProperty Name Property Des
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uicontrolProperty Name Property Des
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uicontrolObjectHierarchyRootFigureA
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uicontrol Propertiesinterrupting ca
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uicontrol Properties• on - The ui
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uicontrol PropertiesFixedWidthFontN
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uicontrol Propertiesdefined, that c
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uicontrol Properties• Toggle butt
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uicontrol PropertiesFor multiple li
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uicontrol PropertiesSet the Value p
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uigetfileSee Alsouiputfile2-557
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uimenuYou can set and query propert
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uimenuExamplesThis example creates
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uimenu Propertiescallbacks; see the
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uimenu PropertiesForegroundColor Co
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uimenu Propertiescharacter while th
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uiputfilePurpose2uiputfileInteracti
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uiresume, uiwaitPurpose2uiresume, u
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uisetfontPurpose2uisetfontModify fo
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viewPurpose2viewViewpoint specifica
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viewaxes graphics object properties
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viewmtxT = viewmtx(az,el,phi,xc) re
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viewmtxTransform the cube vectors t
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waitforPurpose2waitforWait for cond
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warndlgPurpose2warndlgDisplay warni
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waterfallExamplesProduce a waterfal
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xlabel, ylabel, zlabelPurpose2xlabe
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xlim, ylim, zlimExamplesThis exampl
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zoomzoom(factor) zooms in or out by
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List of CommandsAList of Commands
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List of CommandsFunction Namesprint
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IndexAAcceleratorUimenu property 2-
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IndexLight property 2-265Line prope
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IndexSurface property 2-486Text pro
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IndexImage property 2-239Light prop
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Indexmesh 2-298meshc 2-298MeshStyle
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Indexwith non-normal EraseMode 2-23
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Indexcreating 2-474defining default
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IndexView, Axes property (obsolete)
show all

MATLAB Function Reference (Volume 2: Graphics)

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