simple sigmoid func concode_field_sep String evalMetric concode_elem_sep Log logger concode_elem_sep Log logger concode_field_sep float[][] transform concode_elem_sep float eval concode_elem_sep List<float[]> getGradient concode_elem_sep void main concode_elem_sep String getMetric
float function ( float arg0 ) { float loc0 = ( float ) ( 1 / ( 1 + Math . exp ( - arg0 ) ) ) ; return loc0 ; }