Getting MATLAB Numeric Arrays from a Component
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I am trying to create a dll for the following code for dotnetbuilder and use the same in C#.NET.
function out = Fourier(x, n)
x_mat = cell2mat(x);
out = fft(x_mat,n);
The name of dll is "FourierTransform.dll". My C#.NET code is give below using System; using System.Collections.Generic; using System.Text;
using FourierTransform; using MathWorks.MATLAB.NET.Arrays; using MathWorks.MATLAB.NET.Utility;
namespace DLL { class Program { static void Main(string[] args) { ClassFFT obj = new ClassFFT();
MWCellArray input = null;
MWNumericArray result = null;
input = new MWCellArray(1, 3);
input[1] = new MWNumericArray(1);
input[2] = new MWNumericArray(1);
input[3] = new MWNumericArray(1);
result = (MWNumericArray)obj.FourierTransform(1, input, 1);
Double[] doubleArray = (Double[])result.ToVector(MWArrayComponent.Real);
Console.WriteLine(doubleArray);
Console.ReadKey();
}
}
}
The Visual studio gets crashed when the above code is run. Please help me if anybody knows why it is crashed...
Thanks, Srikanth
采纳的回答
Titus Edelhofer
2012-1-13
Hi Srikanth, you are nearly done. Some slight changes: although you have only one output argument, the method will return an array. Unfortunately you can't cast that array directly but with the following changes it works:
MWArray[] result = null;
...
result = (MWArray[])obj.Fourier(1, input, 1);
MWNumericArray result1 = (MWNumericArray) result[0];
Double[] doubleArray = (Double[]) result1.ToVector(MWArrayComponent.Real);
The last two lines may be combined of course, the intermediate variable result1 is just for better reading.
Titus
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