i get error saying that z should be a matrix and not a scalar

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dulanga
dulanga 2017-3-7
评论： dulanga 2017-3-7
x = linspace (-1,1); y = linspace (-1,1); [X, Y] = meshgrid(x,y); Z=7*sin(pi.*x).*cos(3*pi.*x);
surf(X,Y,Z ) hold on contour(X,Y,Z) hold off
rotate3d on

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Stephen23
Stephen23 2017-3-7
Z=7*sin(pi.*X).*cos(3*pi.*X);

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