PHP写的求多项式导数的函数代码
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
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