Error using contour: Z must be at least a 2x2 matrix.

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geometry geometry
geometry geometry el 13 de Mayo de 2017
Comentada: Steven Lord el 13 de Mayo de 2017
What's the problem with the following code?
f=input('enter function: ','s');
f = str2func(['@(x,y)' vectorize(f)]);
[X,Y]=meshgrid(-10:.5:10);
contour(X,Y,f(x,y));
When I enter sin(x)+cos(y) the following error occurs:
Z must be at least a 2x2 matrix.

Respuesta aceptada

Andrei Bobrov
Andrei Bobrov el 13 de Mayo de 2017
Your typo
Should be:
contour(X,Y,f(X,Y));
  2 comentarios
geometry geometry
geometry geometry el 13 de Mayo de 2017
What a bad typo... thanks
is there a way to make two figures (two windows) in one code ?
for example one figure with mesh and the other with contour.
Steven Lord
Steven Lord el 13 de Mayo de 2017
Use the figure function to open a new figure window, or use subplot to create two or more separate axes in one figure window.

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