Matlab coder for "spline" function

Question

Using the built in function of MATLAB coder, which converts matlab to c++, is it possible to convert internal matlab functions like spline? I follow the directions from http://blogs.mathworks.com/loren/2011/11/14/generating-c-code-from-your-matlab-algorithms/ but I get errors on variables from even the beginning when trying convert the spline function. Has anyone had success with this. I imagine matlab would need to convert ppval, mkpp, unmkpp etc...

Specifically speaking, almost every line gives me an error, with the first line:

[x,y,sizey,endslopes] = chckxy(x,y);

giving the error

  Undefined function or variable 'chckxy'.

But when i do "edit chckxy" matlab says it doesnt exist, so im not sure how to get around it.

Lokesh A. R. · Accepted Answer · 2014-01-15 01:58:11Z

2

Only a subset of functions are currently supported with MATLAB Coder. In your case, it seems like the function chckxy does not exist in MATLAB or it is an internal function (private or MEX file).

answered Jan 15, 2014 at 1:58

Lokesh A. R.

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2 Comments

user-2147482637 Over a year ago

so that means its impossible to convert anything that does interpolation? or is there a way around this

Lokesh A. R. Over a year ago

There are limited options with interp and interp2 which are supported with MATLAB Coder.

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