public static MatrixClass06 operator -(MatrixClass06 minuend, MatrixClass06 subtrahend)
{
MatrixClass06 matrixDifference = new MatrixClass06(3, 3);
for (int i = 0; i < matrixDifference.GetRows(); i++)
{
for (int j = 0; j < matrixDifference.GetCols(); j++)
{
matrixDifference.matrix[i, j] = minuend.matrix[i, j] - subtrahend.matrix[i, j];
}
}
return(matrixDifference);
}
public static MatrixClass06 operator +(MatrixClass06 addend1, MatrixClass06 addend2)
{
MatrixClass06 matrixSumm = new MatrixClass06(3, 3);
for (int i = 0; i < matrixSumm.GetRows(); i++)
{
for (int j = 0; j < matrixSumm.GetCols(); j++)
{
matrixSumm.matrix[i, j] = addend1.matrix[i, j] + addend2.matrix[i, j];
}
}
return(matrixSumm);
}
public static MatrixClass06 operator *(MatrixClass06 multiplyable1, MatrixClass06 multiplyable2)
{
MatrixClass06 matrixProduct = new MatrixClass06(3, 3);
for (int i = 0; i < matrixProduct.GetRows(); i++)
{
for (int j = 0; j < matrixProduct.GetCols(); j++)
{
switch (i)
{
case 0:
if (j == 0)
{
matrixProduct.matrix[i, j] = multiplyable1.matrix[i, j] * multiplyable2.matrix[i, j] + multiplyable1.matrix[i, j + 1] * multiplyable2.matrix[i + 1, j] +
multiplyable1.matrix[i, j + 2] * multiplyable2.matrix[i + 2, j];
}
else if (j == 1)
{
matrixProduct.matrix[i, j] = multiplyable1.matrix[i, j - 1] * multiplyable2.matrix[i, j] + multiplyable1.matrix[i, j] * multiplyable2.matrix[i + 1, j] +
multiplyable1.matrix[i, j + 1] * multiplyable2.matrix[i + 2, j];
}
else if (j == 2)
{
matrixProduct.matrix[i, j] = multiplyable1.matrix[i, j - 2] * multiplyable2.matrix[i, j] + multiplyable1.matrix[i, j - 1] * multiplyable2.matrix[i + 1, j] +
multiplyable1.matrix[i, j] * multiplyable2.matrix[i + 2, j];
}
break;
case 1:
if (j == 0)
{
matrixProduct.matrix[i, j] = multiplyable1.matrix[i, j] * multiplyable2.matrix[i - 1, j] + multiplyable1.matrix[i, j + 1] * multiplyable2.matrix[i, j] +
multiplyable1.matrix[i, j + 2] * multiplyable2.matrix[i + 1, j];
}
else if (j == 1)
{
matrixProduct.matrix[i, j] = multiplyable1.matrix[i, j - 1] * multiplyable2.matrix[i - 1, j] + multiplyable1.matrix[i, j] * multiplyable2.matrix[i, j] +
multiplyable1.matrix[i, j + 1] * multiplyable2.matrix[i + 1, j];
}
else if (j == 2)
{
matrixProduct.matrix[i, j] = multiplyable1.matrix[i, j - 2] * multiplyable2.matrix[i - 1, j] + multiplyable1.matrix[i, j - 1] * multiplyable2.matrix[i, j] +
multiplyable1.matrix[i, j] * multiplyable2.matrix[i + 1, j];
}
break;
case 2:
if (j == 0)
{
matrixProduct.matrix[i, j] = multiplyable1.matrix[i, j] * multiplyable2.matrix[i - 2, j] + multiplyable1.matrix[i, j + 1] * multiplyable2.matrix[i - 1, j] +
multiplyable1.matrix[i, j + 2] * multiplyable2.matrix[i, j];
}
else if (j == 1)
{
matrixProduct.matrix[i, j] = multiplyable1.matrix[i, j - 1] * multiplyable2.matrix[i - 2, j] + multiplyable1.matrix[i, j] * multiplyable2.matrix[i - 1, j] +
multiplyable1.matrix[i, j + 1] * multiplyable2.matrix[i, j];
}
else if (j == 2)
{
matrixProduct.matrix[i, j] = multiplyable1.matrix[i, j - 2] * multiplyable2.matrix[i - 2, j] + multiplyable1.matrix[i, j - 1] * multiplyable2.matrix[i - 1, j] +
multiplyable1.matrix[i, j] * multiplyable2.matrix[i, j];
}
break;
default:
break;
}
}
}
return(matrixProduct);
}
