Based on the principle of computer vision, this paper presents a matrix algorithm for the coordinate transformation from visual plane to geographical plane.
在计算机视觉原理的基础上，本文提出了一种求取从视平面坐标到实际坐标转换矩阵的算法。
2
This article calculated the vertical stiffness matrix of plane frame structures subjected to vertical earthquake action.
计算了平面串并联多质点系结构在竖向地震作用下的竖向刚度矩阵。
3
Applying this method, we can only require the lower order's calculation of matrix and determinant to make the analysis of vibration for the plane link mechanism.