question: calculates the feed forward gain lr for h 1 = 1 . concode_field_sep PlaceHolder placeHolder concode_field_sep Matrix[] c2d concode_elem_sep Matrix getL
target: double function ( Matrix arg0 , Matrix arg1 , Matrix arg2 , Matrix arg3 ) { int loc0 = arg0 . getRowDimension ( ) ; Matrix loc1 = arg2 . times ( ( Matrix . identity ( loc0 , loc0 ) . minus ( arg0 ) . plus ( arg1 . times ( arg3 ) ) ) . inverse ( ) ) . times ( arg1 ) ; return 1 / loc1 . get ( 0 , 0 ) ; }