undefined function error despite 'matrix.h' header linked already

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Md Tahmid Hossain 2018-5-7

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回答： Sid Jhaveri 2018-5-10

I am trying to build a mex file from C source code. my mexutils.c code contains a function call to bool mxIsDouble(const mxArray *pa); which is declared in matrix.h and is already included in mexutils.c. But while compiling with mex, it says undefined function. another structure that's declared in matrix.h is recognized in mexutils.h i.e. the header is surely found. This is making me confused. please help. I am using win64, Matlab 2016a.

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Md Tahmid Hossain 2018-5-8

Md Tahmid Hossain 2018-5-8

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Sid Jhaveri 2018-5-10

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Hi,

Try using #include "matrix.h" instead of #include<matrix.h>.

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MATLAB External Language Interfaces C with MATLAB Write C Functions Callable from MATLAB (MEX Files)

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