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我应该如何绘制这个双系列:
我们想使用 MATLAB 符号工具箱。我写了一个函数:
function p = myplot(a,b) syms x y m n w = (-1)^(1/2*m+1/2*n-1)*sin(m*pi*x/a)*sin(n*pi*y/b)/(m^2/a^2+n^2/b^2)^2; s1 = symsum(w,n,1,10); s2 = symsum(s1,m,1,10); ezsurf(x,y,s2); end