quadrics

基本解释

We call this surface the stress quadric.
我们称这个曲面为应力二次曲面。
Conic sections and quadric surfaces.
二次曲线与二次曲面。
How to prove the problems of inequality by quadric form is discussed.
讨论了利用二次型证明不等式的问题.
A simple method of solving an orthogonal transformation with a primary transformation is presented by change quadric form into canonical form.
给出了利用初等变换求一个正交变换化实二次型为标准形的简便方法。
It has appeared many results about regularity for weak solutions of quadric jncreasing parabolic equations.
得到了一类二阶散度型椭圆方程很弱解的一个正则性结果。