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

2020-02-16 标签:oracle,多个,字符,替换,实现,代码,如下,create,table,a,test,payout,item,code,varchar,30,n,ot,ull

实现代码如下：create table A_TEST ( PAYOUT_ITEM_CODE VARCHAR2(30) not null, FORMULA_DET VARCHAR2(1000) ) create table B_TEST ( ELEMENT_ID VARCHAR2(5) not nul