the problem concerning "mex"

I complied cpp file using "mex",and created ".mexw64" file, then I modified my cpp file, but a problem occured at this time.

   Error using mex
        LINK : fatal error LNK1104: cannot open file“matrixMultiply.mexw64”

then I tried "clear", the problem still occured,how can I solve it?

Answer 1

[Long]

Have you tried deleting/renaming the old .mexw64 file?

[lz liu]

thank you! I used delete.