In this video, we provide essential "math help" by demonstrating how to "solve" various algebraic and "quadratic equations". This "math tutorial" covers linear equations and progresses to more complex ...

THIS is the fifth edition of a well–known book written originally as a text–book for students taking the London intermediate and degree examinations. In consequence of the many changes which have ...

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 ...

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 this video, we provide essential "math help" by explaining how to simplify complex fractions, which often involves careful "algebra" and understanding "rational functions". This "math tutorial" ...