我不记得我发现这个季节性分形的地方。我无法解释它是如何工作的。因此，如果您可以在其中任何一个问题上阐明任何光线，请提交评论....更多内容 >>

When I was in high school in the 1950's, I didn't know anything about matrices. But I nearly encountered one when I wrote a paper for my physics class about the color scheme that allowed new color TV broadcasts to be compatible with existing black-and-white TV receivers....更多内容 >>

(Please replace the erroneous posting from yesterday, Nov. 28, with this corrected version.)...更多内容 >>

Here is a very short course in Linear Algebra. The Singular Value Decomposition provides a natural basis for Gil Strang's Four Fundamental Subspaces....更多内容 >>

My favorite ordinary differential equation provides a good test of ODE solvers, both numeric and symbolic. It also provides a nice illustration of the underlying existence theory and error analysis....更多内容 >>

I am launching a project that I callCleve's Laboratory. My most最近的克里尔角column inMathWorks News & Notesis about the project. The MATLAB app itself is available for download from theMATLAB中央档案交换....更多内容 >>

This is a follow-up to my previous follow-up,posted several days ago.一个非常细心的读者Bruno Bazzano撰写了一个评论，指出了他在Classic Gram-Schmidt算法的代码中所谓的“一个小字拼写”。它不仅仅是一个小字的错字，这是一个严重的错误。我必须纠正代码，然后做更多仔细的实验​​和缩写我的结论....更多内容 >>

This is a follow-up to我以前的帖子。Classical Gram-Schmidt and Modified Gram-Schmidt are two algorithms for orthogonalizing a set of vectors. Householder elementary reflectors can be used for the same task. The three algorithms have very different roundoff error properties....更多内容 >>

The QR decomposition is often the first step in algorithms for solving many different matrix problems, including linear systems, eigenvalues, and singular values. Householder reflections are the preferred tool for computing the QR decomposition....更多内容 >>

A new app employs transformations of a graphic depicting a house to demonstrate matrix multiplication....更多内容 >>