examp8_9.m

来自「东北大学 薛定谔的高等应用数学问题MATLAB求解的源代码」· M 代码 · 共 7 行

[x,y,z]=meshgrid(-1:0.2:1);
V=exp(x.^2.*z+y.^2.*x+z.^2.*y).*cos(x.^2.*y.*z+z.^2.*y.*x);
[x0,y0,z0]=meshgrid(-1:0.05:1);
V0=exp(x0.^2.*z0+y0.^2.*x0+z0.^2.*y0).*cos(x0.^2.*y0.*z0+z0.^2.*y0.*x0);
V1=interp3(x,y,z,V,x0,y0,z0,'spline'); err=V1-V0; max(err(:))