Matrix inversion can be avoided, in comparison with conventional hybrid element, the method is more convenient in practical application.
这类单元与其他类型的杂交模型相比，精度高且能较好地避免矩阵求逆运算，具有较好的实用性。
We update sensitivities matrix by the quasi-Newton method after the first inversion.
在第一次反演之后，采用拟牛顿法更新灵敏度矩阵。
According to the needs of space attitude measurement, the concept of inversion matrix is put forward and measuring method of space attitude is researched.
根据空间姿态测量的需要，提出了反转矩阵的概念，研究了物体空间姿态的测量方法。
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