the quadratic equation的用法和樣例：
例句
- The linear quadratic optimal control problem for a class of nonlinear singularly perturbed systems is studied.
摘要研究一類(lèi)非線(xiàn)性奇異攝動(dòng)系統的線(xiàn)性二次型最優(yōu)控制問(wèn)題。 - 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質(zhì)，給出阿達馬不等式的證明。
