the quadratic equation

• 二次型

the quadratic equation的用法和样例：

例句

1. The linear quadratic optimal control problem for a class of nonlinear singularly perturbed systems is studied.
   摘要研究一类非线性奇异摄动系统的线性二次型最优控制问题。
2. This paper proves some Hadamard inequalities from the qualities of positive definite quadratic form.
   摘要利用正定二次型的性质，给出阿达马不等式的证明。