/** * <p>Performs the following operation:<br> * <br> * c = a<sup>H</sup> * b <br> * <br> * c<sub>ij</sub> = ∑<sub>k=1:n</sub> { a<sub>ki</sub> * b<sub>kj</sub>} * </p> * * @param a The left matrix in the multiplication operation. Not modified. * @param b The right matrix in the multiplication operation. Not modified. * @param c Where the results of the operation are stored. Modified. */ public static void multTransA(CMatrixRMaj a, CMatrixRMaj b, CMatrixRMaj c) { if (a.numCols >= EjmlParameters.CMULT_COLUMN_SWITCH || b.numCols >= EjmlParameters.CMULT_COLUMN_SWITCH) { MatrixMatrixMult_CDRM.multTransA_reorder(a, b, c); } else { MatrixMatrixMult_CDRM.multTransA_small(a, b, c); } }
/** * <p>Performs the following operation:<br> * <br> * c = α * a<sup>H</sup> * b <br> * <br> * c<sub>ij</sub> = α ∑<sub>k=1:n</sub> { a<sub>ki</sub> * b<sub>kj</sub>} * </p> * * @param realAlpha Real component of scaling factor. * @param imagAlpha Imaginary component of scaling factor. * @param a The left matrix in the multiplication operation. Not modified. * @param b The right matrix in the multiplication operation. Not modified. * @param c Where the results of the operation are stored. Modified. */ public static void multTransA(float realAlpha, float imagAlpha, CMatrixRMaj a, CMatrixRMaj b, CMatrixRMaj c) { // TODO add a matrix vectory multiply here if (a.numCols >= EjmlParameters.CMULT_COLUMN_SWITCH || b.numCols >= EjmlParameters.CMULT_COLUMN_SWITCH) { MatrixMatrixMult_CDRM.multTransA_reorder(realAlpha, imagAlpha, a, b, c); } else { MatrixMatrixMult_CDRM.multTransA_small(realAlpha, imagAlpha, a, b, c); } }