public static double[,] Multiply(Matrixs a, Matrixs b)
{
int m = a.Rows();
int n = a.Cols();
int p = b.Rows();
int q = b.Cols();
if (n == p)
{
double[,] c = new double[m, q];
for (var i = 0; i < m; i++)
{
for (var j = 0; j < q; j++)
{
c[i, j] = 0;
for (int k = 0; k < n; k++)
{
c[i, j] += a.Data()[i, k] * b.Data()[k, j];
}
}
}
return(c);
}
else
{
throw new System.ArgumentException("Matrices dimensions do not match for multiply", "matrix");
}
}
public static Matrixs FromArray(int [] array)
{
var m = new Matrixs(array.GetLength(0), 1);
for (int i = 0; i < array.GetLength(0); i++)
{
m.Data()[i, 0] = array[i];
}
return(m);
}
public void Add(Matrixs n)
{
for (var i = 0; i < Rows(); i++)
{
for (var j = 0; j < Cols(); j++)
{
matrix[i, j] += n.Data()[i, j];
}
}
}
public static double[] ToArray(Matrixs matrix)
{
double[] arr = new double[matrix.Rows() + matrix.Cols()];
for (int i = 0; i < matrix.Rows(); i++)
{
for (int j = 0; j < matrix.Cols(); j++)
{
arr[i] = matrix.Data()[i, j];
}
}
return(arr);
}
public static void DisplayMatrix(Matrixs a)
{
int m = a.Rows();
int n = a.Cols();
for (int i = 0; i < m; i++)
{
for (int j = 0; j < n; j++)
{
Console.Write(a.Data()[i, j] + " ");
}
Console.WriteLine();
}
}
public static Matrixs Add(Matrixs a, Matrixs b)
{
if (SubtractableDimensions(a, b))
{
for (var i = 0; i < a.Rows(); i++)
{
for (var j = 0; j < a.Cols(); j++)
{
a.Data()[i, j] += b.Data()[i, j];
}
}
return(a);
}
else
{
throw new System.ArgumentException("Matrices dimensions do not match for substraction");
}
}