A function works in MATLAB but shows an error in C#

Question

Mehdi 2015-8-10

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/233038-a-function-works-in-matlab-but-shows-an-error-in-c

关闭： MATLAB Answer Bot 2021-8-20

在 MATLAB Online 中打开

Hello all,

I have a function which is working very well in MATALAB. But interestingly when I run it in C# I get this error:

Index exceeds matrix dimensions.

C# code:

using MathWorks.MATLAB.NET.Arrays;
using MathWorks.MATLAB.NET.Utility;
using A;
double[] Bx = new double[N];
double[,] PP = new double[N,N];
double[,] W = new double[N,N];
// Some calculation for Bx , PP & W 
MWNumericArray arr1 = PP;
MWNumericArray arr2 = Bx;
MWNumericArray arr3 = W;
ACLASS OBJ = new ACLASS();
MWArray RESULT = (MWNumericArray)OBJ.A((MWNumericArray)arr1, (MWNumericArray)arr2, (MWNumericArray)arr3,3, 2,1,1);
// Copy back the RESULT in PP
PP = (double[,])((MWNumericArray)RESULT).ToArray(MWArrayComponent.Real);

What does happen in C# which disturbs matrix dimension ?
Could it be because of difference arrays in C# start from 0 and in MATLAB start from 1 ?

Any help ?

Thanks

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

请先登录，再回答此问题。

Answer 1

Varun Bhaskar 2015-8-12

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/233038-a-function-works-in-matlab-but-shows-an-error-in-c#answer_189096

Hello,

Please follow the simple example of the 'magic square' code integration in the following link :

Integrate a .NET Assembly into your C# Application

Since you have already declared arr1, arr2, and arr3 you do not need to typecast again in the next line of code. Also, as you said C# array indices start from 0, so MWNumeric Array indices start from 0 to n-1, n being the size of the array.