From 02ff9ae147cedd0c4e2962dc03aeefd0f57ffc96 Mon Sep 17 00:00:00 2001
From: Paul Nitzke <14367-paulenit@users.noreply.git.rwth-aachen.de>
Date: Mon, 20 Jun 2022 01:00:52 +0200
Subject: [PATCH] Add Multiply method for Double-Integer
* This is the important variation that is used when multiplying the
input matrix with the seed matrix
---
.../DataStructures/DoubleMatrix.cs | 23 +++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/src/SparseTransform/DataStructures/DoubleMatrix.cs b/src/SparseTransform/DataStructures/DoubleMatrix.cs
index ff39be3..2b61de0 100644
--- a/src/SparseTransform/DataStructures/DoubleMatrix.cs
+++ b/src/SparseTransform/DataStructures/DoubleMatrix.cs
@@ -90,5 +90,28 @@ namespace DataStructures
}
return result;
}
+
+ /// <summary>
+ /// Multiply this matrix with another matrix
+ /// </summary>
+ /// <param name="other">second matrix</param>
+ /// <returns>product matrix</returns>
+ public DoubleMatrix Multiply(IntegerMatrix other)
+ {
+ DoubleMatrix result = new DoubleMatrix(this.RowCount, other.ColumnCount);
+ for (int i = 0; i < this.RowCount; i++)
+ {
+ for (int j = 0; j < other.ColumnCount; j++)
+ {
+ double s = 0;
+ for (int k = 0; k < this.ColumnCount; k++)
+ {
+ s += this[i, k] * other[k, j];
+ }
+ result[i, j] = s;
+ }
+ }
+ return result;
+ }
}
}
\ No newline at end of file
--
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