Normal equations 标准方程式 ; 正规方程 ; 方程组
The normal equations 方程 ; 正规方程组
system of normal equations 正规方程式组 ; 正规方程组
modified system of normal equations 修正的正规方程组
THE BASIC NORMAL SHOCK EQUATIONS 正激波的基本方程
normal equations system 正规方程组
the equations of normal modes 简正模方程
normal form equations 标准形式方程组
Normal State Equations 常规状态方程
normal projective equations 正常投射方程
Another way to do it, of course, would provide actually parametric equations of these lines, get vectors along them and then take the cross-product to get the normal vector to the plane.
当然也有另一种方法，就是用参数方程表示这两条直线，用两条直线的方向向量作外积，从而得到切平面的法向量。
So in equal Numbers of equations and unknowns that the normal nice case.
一般的例子中未知数个数和方程个数相等。
Acoording to the least square principle the normal equations and its coefficient matrix are performed.
按最小二乘原理，建立了球面坐标系下的法方程组及其系数矩阵的具体形式。
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