nine-point approximation [数] 九点逼近

point approximation 点近似 ; 单点近似

saddle point approximation [数] 鞍点逼近法

floating point approximation 浮点逼近

saddle point approximation algorithm 鞍点逼近算法

multi point approximation 多点逼近

multi-point approximation 多点近似

saddle-point approximation 鞍点近似