二阶可微函数的英文

• doubly differentiable function

• 二阶:    second order
• 可:    approve
• 微:    minute; tiny; light; slight
• 函数:    function
• 可微函数:    derivative; differentiable function; differnetiable function

例句与用法

1. A method of application positive definite matrix to distinguish minimax value of bidifferentiable function
   一种用矩阵的正定性判别二阶可微函数极值的方法