MATLAB Function Reference (Volume 2: Graphics)

ezplotPurpose2ezplotEasy to use function plotterSyntaxezplot(f)ezplot(f,[min,max])ezplot(f,[xmin,xmax,ymin,ymax])ezplot(x,y)ezplot(x,y,[tmin,tmax])ezplot(...,figure)Description ezplot(f) plots the expression f = f(x) over the default domain: -2π < x < 2π.ezplot(f,[min,max]) plots f = f(x) over the domain: min < x < max.For implicitly defined functions, f = f(x,y):ezplot(f) plots f(x,y) = 0 over the default domain -2π < x < 2π, -2π < y < 2π.ezplot(f,[xmin,xmax,ymin,ymax]) plots f(x,y) = 0 over xmin < x < xmax andymin < y < ymax.ezplot(f,[min,max])plots f(x,y) = 0 over min < x < max and 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,ezplot('u^2 - v^2 - 1',[-3,2,-2,3]) plots u 2 - v 2 - 1 = 0 over -3 < u < 2, -2< v < 3.ezplot(x,y) plots the parametrically defined planar curve x = x(t) and y = y(t)over the default domain 0 < t < 2π.ezplot(x,y,[tmin,tmax]) plots x = x(t) and y = y(t) over tmin < t < tmax.ezplot(...,figure) plots the given function over the specified domain in thefigure window identified by the handle figure.RemarksArray multiplication, division, and exponentiation are always implied in theexpression you pass to ezplot. For example, the MATLAB syntax for a plot ofthe expression,x.^2 - y.^2which represents an implicitly defined function, is written as:ezplot('x^2 - y^2')2-145