question: returns the coef . row and col are between 1 and the number of rows and columns . concode_field_sep int nRows concode_elem_sep double tolerance concode_elem_sep double[][] el concode_elem_sep int nCols concode_field_sep Matrix multiplyWith concode_elem_sep double[] multiplyWith concode_elem_sep double[] multiplyWith concode_elem_sep void setToIdentity concode_elem_sep Matrix getTranspose concode_elem_sep void setCoef concode_elem_sep double[] solve concode_elem_sep String toString concode_elem_sep int getRows concode_elem_sep void transpose concode_elem_sep boolean isSquare concode_elem_sep int getColumns
target: double function ( int arg0 , int arg1 ) { return el [ arg0 - 1 ] [ arg1 - 1 ] ; }