matlab三维画图出现Warning: Matrix dimensions must agree, not rendering mesh 并且画不出图像

matlab三维画图出现Warning: Matrix dimensions must agree, not rendering mesh 并且画不出图像

clc;
clear all;
A=1:0.5:60;
n=1:50;
for i=1:length(A)
    for j=1:length(n)
        temp(i,j)=A(i)^n(j)/factorial(n(j));
        sum(i,j)=1;
        for k=1:n(j)
            sum(i,j)=sum(i,j)+A(i)^k/factorial(k);
        end
    end
end
B=temp./sum;            % 用点乘
[n,A] = meshgrid(n,A);  % 形成3D的网络点
mesh(n,A,B);
xlabel('n');
ylabel('A');
zlabel('B');