question: calculate distance between two points . concode_field_sep double[][] matrix concode_field_sep double[] evaluate concode_elem_sep double[][] createMatrix
target: double function ( double arg0 , double arg1 , double arg2 , double arg3 ) { double loc0 = arg2 - arg0 ; double loc1 = arg3 - arg1 ; return Math . sqrt ( loc0 * loc0 + loc1 * loc1 ) ; }