quadratic inequality

基本解释

An Inequality of Quadratic Form of the Three Variables Referring to the Three Triangle;
给出两个新的三角不等式，并将其应用于讨论角成等比的三角形形状。
The author introduce the method of applying positive semi-definite quadratic form to prove inequality by giving several examples.
通过给出几个实例，介绍了利用二次型的半正定性证明不等式的方法。
A mathematic model of road identification problem is provided and the problem is related with a positive definite quadratic programming problem with inequality constraints.
建立了道路识别问题的数学模型并将上述问题与一个不等式约束的正定二次规划问题相联系。