MATLAB: C compiler error in using quadprog in a simulink model using coder.extrinsic.

c-compilercoder.extrinsicmatlab codersimulink

I am trying to build a Simulink function block using the "Matlab Function" block for simulink. I just want to see the output on a scope so I connected the Matlab Function block to a scope. When I run the code, it gives me an error saying there is no C compiler. I am not sure why I would require a C Compiler for just running a normal simulation. Can anyone help me with this?
I have the Matlab R2013a version.
Thanks for your time,
Regards

Best Answer

The MATLAB Function Block requires a supported C compiler even for simulation:
http://www.mathworks.com/help/simulink/ug/creating-an-example-model-that-uses-a-matlab-function-block.html#bruwcsp
That link shows how to install one if it is not present. If you already have a compiler installed then:
mex -setup
will guide you through choosing it.
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