2020-02-16 标签:php,写的,多项式,导数,函数,代码,实现,如下,function,formula,x,data,xarray,explode,derivative,foreach,record

实现代码如下： =abs($derivative)?$max_derivative:abs($derivative); //printf("x=%f, derivative=%f \n",$x_data, $derivative); } $matchs = array(); foreach ($de