I recently upgraded (from R2009a) to R2013a. When I run some of my scripts I'm getting "Undefined function of variable… " errors. For example when I call 'decimate' I get the error: Undefined function 'zp2ss' for input arguments of type 'double'.
I was able to find the zp2ss function in my 2009a polyfun toolbox but it was not in any of my 2013a toolboxes. I have similar problems with mab2db and abcdchk. Was there some kind of problem with my installation?
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