计算物理基础第一章习题(共6页).docx

精选优质文档-倾情为你奉上17.用fplot绘制曲线cos(tanx)。答案：fplot(cos(tan(pi*x),0.01 10.1,1e-3) 。18用ezplot绘制曲线ey+cosxx+y=0。答案：ezplot(exp(y)+cos(x)/x+y)。19.用ezsurf绘制曲面。x=e-scosty=e-ssintz=t (0s8,0t5)Answer: ezsurf(exp(-s)*cos(t),exp(-s)*sin(t),t,0,8,0,5*pi)21.画曲面和等高线z=x2y+yx (-5x5, 0y10)的图像答案: x=linspace(-5,5,100);y=linspace(0,10,100);X,Y=meshgrid(x,y); %1.构造数据网格Z=X.2.*Y+sqrt(X)./X; %2.建函数