When I execute the following code from the documentation for WINOPEN:

`winopen(which(meshgrid))`

I receive the following error

` ??? Input argument "x" is undefined. Error in ==> meshgrid at 38 if isempty(x) || isempty(y)`

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MATLAB

When I execute the following code from the documentation for WINOPEN:

`winopen(which(meshgrid))`

I receive the following error

` ??? Input argument "x" is undefined. Error in ==> meshgrid at 38 if isempty(x) || isempty(y)`

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