call matlab function in c#

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C#

Windows

DLL

MatLab

hi every one
I am trying to call matlab function in c# project
I followed steps in
http://xinyustudio.wordpress.com/2009/11/12/using-matlab-functions-in-c-2009b/[^]
http://scriptbucket.wordpress.com/2012/07/18/how-to-call-functions-in-a-matlab-generated-net-dll-from-c/[^]

but when I ran c# project I got this Error and warning
"Could not load file or assembly 'MWArray, Version=2.12.1.0, Culture=neutral, PublicKeyToken=e1d84a0da19db86f' or one of its dependencies. An attempt was made to load a program with an incorrect format"


"

Warning 2   There was a mismatch between the processor architecture of the project being built "x86" and the processor architecture of the reference "MWArray, Version=2.12.1.0, Culture=neutral, PublicKeyToken=e1d84a0da19db86f, processorArchitecture=AMD64", "AMD64". This mismatch may cause runtime failures. Please consider changing the targeted processor architecture of your project through the Configuration Manager so as to align the processor architectures between your project and references, or take a dependency on references with a processor architecture that matches the targeted processor architecture of your project.   test_zip

"


my windows is windows 7 64 bit
and I am using visual studio 2010
and matlab 2012b 64 bit


note :
I did all steps on the same computer

Thanks to all