matlab如何绘制3*m矩阵的曲面???答:用griddata或interp2插值后再用mesh或surf绘制即可。下面是例子 x = rand(1,100)*4-2; y = rand(1,100)*4-2; z = x.*exp(-x.^2-y.^2);%x y z就分别对应了P的三行。[xi,yi] = meshgrid(linspace(-3,3));zi = griddata(x,y,z,xi,yi,'v4');%插值 mesh(xi,yi,zi);...
Matlab 中,为一个矩阵变量设置下表,就比如x1,x2,x3,然后x是一个1行...答:这个简单!x=reshape(x,numel(x),1);x_average=sum(x)/numel(x);%x_average就是你要求的平均值示例:x=[1,2,3;4,5,6;7,8,9];x=reshape(x,numel(x),1);x_average=sum(x)/numel(x)x_average = 5希望帮到你!