MATLAB Mathematics - SERC - Index of

2 Polynomials and Interpolation
for – 2π ≤ x 1 ≤ 0 , 2π ≤ x 2 ≤ 4π , and 0 ≤ x 3 ≤ 2π . To evaluate and plot this
function,
x1 = -2:0.2:2;
x2 = -2:0.25:2;
x3 = -2:0.16:2;
[X1,X2,X3] = ndgrid(x1,x2,x3);
z = X2.*exp(-X1.^2 -X2.^2 -X3.^2);
slice(X2,X1,X3,z,[-1.2 0.8 2],2,[-2 0.2])
2
1
0
−1
−2
2
1
0
−1
−2
−2
−1
0
1
2
Triangulation and Interpolation of Scattered Data
MATLAB provides routines that aid in the analysis of closest-point problems
and geometric analysis.
Functions for Analysis of Closest-Point Problems and Geometric Analysis
Function
convhull
delaunay
Description
Convex hull.
Delaunay triangulation.
2-18