/** * {@inheritDoc} */ public Matrix transform(Matrix input, Matrix output) { Matrices.copyTo(input, output); return output; }
/** * Returns a copied version of a given matrix. The returned matrix will * have the same dimensionality, values, and sparsity, but it may not have * the same exact sub-type. * * @param matrix the matrix to be copied * * @throws IllegalArgumentException when the dimensionality of matrix and * output do not match * * @return a copied version of matrix */ public static Matrix copy(Matrix matrix) { Matrix copiedMatrix = null; if (matrix instanceof SparseMatrix) copiedMatrix = Matrices.create( matrix.rows(), matrix.columns(), Type.SPARSE_IN_MEMORY); else copiedMatrix = Matrices.create( matrix.rows(), matrix.columns(), Type.DENSE_IN_MEMORY); return copyTo(matrix, copiedMatrix); }
/** * Returns a copied version of a given matrix. The returned matrix will * have the same dimensionality, values, and sparsity, but it may not have * the same exact sub-type. * * @param matrix the matrix to be copied * * @throws IllegalArgumentException when the dimensionality of matrix and * output do not match * * @return a copied version of matrix */ public static Matrix copy(Matrix matrix) { Matrix copiedMatrix = null; if (matrix instanceof SparseMatrix) copiedMatrix = Matrices.create( matrix.rows(), matrix.columns(), Type.SPARSE_IN_MEMORY); else copiedMatrix = Matrices.create( matrix.rows(), matrix.columns(), Type.DENSE_IN_MEMORY); return copyTo(matrix, copiedMatrix); }