Index: trunk/psLib/src/math/psMatrix.h
===================================================================
--- trunk/psLib/src/math/psMatrix.h	(revision 807)
+++ trunk/psLib/src/math/psMatrix.h	(revision 908)
@@ -9,6 +9,4 @@
  *      Matrix inversion
  *      Calculate determinant
- *      Matrix addition
- *      Matrix subtraction
  *      Matrix multiplication
  *      Calculate Eigenvectors
@@ -17,10 +15,10 @@
  *
  *  These functions treat psImages as if they were matrices, therefore there is no psMatrix. These functions
- *  operate only with psF32 and psF64 data types.
+ *  operate only with the psF64 data type.
  *
  *  @author Ross Harman, MHPCC
  *   
- *  @version $Revision: 1.4 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2004-05-28 20:52:41 $
+ *  @version $Revision: 1.5 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2004-06-08 01:58:03 $
  *
  *  Copyright 2004 Maui High Performance Computing Center, University of Hawaii
@@ -100,5 +98,5 @@
  *  @return  float: Determinant from psImage.
  */
-float psMatrixDeterminant(
+float* psMatrixDeterminant(
     const psImage *restrict inMatrix    ///< Image used to calculate determinant.
 );
@@ -149,6 +147,7 @@
  *
  *  Converts a 1-d psImage matrix into a vector. If the user specifies NULL as the outVector argument, then it
- *  will automatically be created. The input matrix must be a 1-d column matrix. This function operates only 
- *  with the psF64 data type.
+ *  will automatically be created based on the input image (PS_DIMEN_VECTOR for an input image with 1 col or
+ *  PS_DIMENT_TRANSV for an input image with 1 row). Either the number of rows or the number of colums of the
+ *  input matrix must be 1. This function operates only  with the psF64 data type.
  *
  *  @return  psVector*: Pointer to psVector.
@@ -161,6 +160,8 @@
 /** Convert vector to matrix.
  *
- *  Converts a vector into a 1-d column psImage matrix. If the user specifies NULL as the outImage argument, 
- *  then it will automatically be created. This function operates only with the psF64 data type.  
+ *  Converts a vector into a psImage matrix. If the dimensionality of the vector is PS_DIMEN_VECTOR, then the
+ *  resulting psImage is a 1d column. If the dimensionality of the vector is PS_DIMEN_TRANSV, then the
+ *  resulting psImage is a 1d row. If the user specifies NULL as the outImage argument,  then it will 
+ *  automatically be created. This function operates only with the psF64 data type.  
  *
  *  @return  psVector*: Pointer to psIamge.