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，读者也应该了解。 本篇博文，将介绍，李群与李代数的关系 ...

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 ...

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 ...

Math Planet is conducting a free online course on Pre Algebra for high school students and others who are interested in learning. According to Math Planet, Pre Algebra is the first math course in high ...