一些必须知识点：skew matrix 是so(3)李代数中的，对应到SO(3)李群中的旋转矩阵R; twist matrix 是se(3)李代数中的，对应到SE(3)李群中的变换矩阵T。一些基本的知识点，skew matrix如何表达等 ...

THE first volume of this standard work, published in 1940 in a revised and rewritten form, covered the algebra prescribed chiefly for the intermediate examinations of the University of London. The ...

IN these 596 pages we have a treatise based on the “Algebra” of Prof. Radhakrishnan. The reason for this is that the latter book is known to be the result of a careful study of the best English ...

In math, Algebra 1 is a make-or-break course. The class is the gateway to high school math, and struggling to complete it can close off those higher-level pathways—and even jeopardize students’ ...

Algebra has long been a fundamental part of any high school math curriculum. In many places it's become a fundamental part of the middle school math curriculum, too. In recent years, more students ...