Matrix class included
Dependencies: Matrix
Diff: MatrixMath.cpp
- Revision:
- 5:93948a9bbde2
- Parent:
- 4:d360c068d55f
- Child:
- 6:aa5e94cddb3f
diff -r d360c068d55f -r 93948a9bbde2 MatrixMath.cpp --- a/MatrixMath.cpp Sun Oct 30 04:48:15 2011 +0000 +++ b/MatrixMath.cpp Sun Oct 30 19:21:30 2011 +0000 @@ -1,9 +1,11 @@ /** * @brief version 0.9 * @file MatrixMath.cpp - * @author Erneseto Palacios + * @author Ernesto Palacios * - * Develop Under GPL v3.0 License + * Created on 15 de septiembre de 2011, 09:44 AM. + * + * Develop Under GPL v3.0 License * http://www.gnu.org/licenses/gpl-3.0.html */ @@ -43,8 +45,8 @@ }else{ printf( "\n\nWANRING: same matrix returned"); - printf( "\nSingular Matrix, cannot perform Invert @matrix " ); -// Mat.print(); + printf( "\nSingular Matrix, cannot perform Invert @matrix\n " ); + Mat.print(); printf( "\n _____________\n" ); return Mat; @@ -83,8 +85,8 @@ }else{ printf( "\n\nWANRING: same matrix returned"); - printf( "\nSingular Matrix, cannot perform Invert @matrix " ); - // Mat.print(); + printf( "\nSingular Matrix, cannot perform Invert @matrix\n" ); + Mat.print(); printf( "\n _____________\n" ); return Mat; @@ -93,7 +95,7 @@ } }else{ - printf( "\n\nERROR:\nMust be square Matrix @ MatrixMath::Determinant " ); + printf( "\n\nERROR:\nMust be square Matrix @ MatrixMath::Determinant\n" ); } } @@ -107,8 +109,11 @@ return Identity; } - - +// Very Versitle Function. Accepts two Vector Matrices of any type: +// Vector types may be: [n,1] dot [n,1] +// [n,1] dot [1,n] always same +// [1,n] dot [n,1] 'depth' +// [1,n] dot [1,n] float MatrixMath::dot(const Matrix& leftM, const Matrix& rightM) { if( leftM.isVector() && rightM.isVector() ) @@ -206,7 +211,7 @@ else if( Mat._nRows == 3 ) // 3x3 Matrix { float det; - MatrixMath dummy; + MatrixMath dummy; //For Private Method. det = dummy.Det3x3( Mat ); return det; @@ -222,23 +227,23 @@ Matrix reduced( Mat ); // Copy Original Matrix Matrix::DeleteRow( reduced, 1); // Delete First Row - if( i%2 == 0 ) //Odd Rows + if( i%2 == 0 ) //Even Rows { Matrix::DeleteCol( reduced, i+1); part1 += Mat._matrix[0][i] * MatrixMath::det(reduced); } - else // Even Rows + else // Odd Rows { Matrix::DeleteCol( reduced, i+1); part2 += Mat._matrix[0][i] * MatrixMath::det(reduced); } } - return part1 - part2; // + return part1 - part2; } }else{ - printf("\n\nERROR:\nMatrix must be square Matrix @ MatrixMath::Det"); + printf("\n\nERROR:\nMatrix must be square Matrix @ MatrixMath::det"); } }