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matrix mult funktioniert

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Niklas Kegelmann 2025-11-15 15:07:42 +01:00
parent 5b60de1f17
commit d745515695
1 changed files with 14 additions and 11 deletions
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25
matrix.c
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@ -98,17 +98,20 @@ Matrix multiply(const Matrix matrix1, const Matrix matrix2)
else
{
Matrix result;
result.rows = matrix1.rows;
result.cols = matrix2.cols;
//mit get matrix den 4 werte aus matrix1/2.buffer rausnehmen und verrechnen
//mit set matrix in result.buffer reinladen
//1. for: buffer um stelle weiter
//2. for: 1. reihe von matrix1 geht von x10-x12 und x13-x15 das wird 2 mal gemacht
//3. for: 2. reihe von matrix1 geht von x20-x23; x24-x27; x28-x211 das wird 2 mal gemacht
Matrix result = createMatrix(matrix1.rows, matrix2.cols);
for (unsigned int i = 0; i < result.rows; i++)
{
for (unsigned int j = 0; j < result.cols; j++)
{
MatrixType summe = 0;
for (unsigned int k = 0; k < matrix1.cols; k++)
{
summe += getMatrixAt(matrix1, i, k) * getMatrixAt(matrix2, k, j);
}
setMatrixAt(summe, result, i, j);
}
}
return result;
}
}