Changeset 25862 for branches/pap/psLib/src/math/psMatrix.h

Timestamp:

Oct 16, 2009, 3:45:34 PM (17 years ago)

Author:

Paul Price

Message:

Cleaning (optimising) the gsl-psLib conversions using memcpy where appropriate. Adding function to solve matrix equation using SVD.

File:

• branches/pap/psLib/src/math/psMatrix.h (modified) (2 diffs)

branches/pap/psLib/src/math/psMatrix.h

@@ -66 +66 @@
  */
 psImage *psMatrixLUInvert(
-    psImage *out,                  ///< place result here if not NULL
-    const psImage* LU,             ///< LU-decomposed matrix.
-    const psVector* perm           ///< Permutation vector resulting from psMatrixLUD function.
+    psImage *out,                  ///< place result here if not NULL
+    const psImage* LU,             ///< LU-decomposed matrix.
+    const psVector* perm           ///< Permutation vector resulting from psMatrixLUD function.
 );
 
@@ -186 +186 @@
 );
 
+/// Solve a matrix equation using Singular Value Decomposition
+///
+/// Solves Ax = b for x
+psVector *psMatrixSolveSVD(
+    const psImage *matrix,              ///< Matrix to be solved
+    const psVector *vector              ///< Vector of values
+    );
+
+
 /// Single value decomposition, provided by Andy Becker
 psImage *psMatrixSVD(psImage* evec, psVector* eval, const psImage* in);