mathworld.wolfram.com
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MathWorld is Wolfram's comprehensive online mathematics encyclopedia with authoritative, cross-referenced articles featuring definitions, theorems, formulas, and worked examples across topics, including linear algebra and matrix computations.
More resources on Matrix Computations
Cleve's Corner (MATLAB)
Numerical linear algebra experiments
The Matrix Cookbook
Comprehensive formulas for matrix computations
Eigenvalues and Stability
NLA stability analysis
Numerical Linear Algebra
Learn matrix computations and linear algebra from Lloyd Trefethen's renowned lectures. A fantastic course for numerical methods!
ocw.mit.edu
MIT OpenCourseWare (OCW) offers free, openly accessible course materials from MIT—lecture notes, assignments, and exams—so learners can study at their own pace. The site covers a wide range of topics, including linear algebra and matrix computations, with materials from actual MIT courses.
nptel.ac.in
NPTEL is an Indian online learning platform from IITs/IISc offering engineering and science courses with video lectures, downloadable notes, assignments, and certificates. It includes courses on linear algebra and numerical methods related to matrix computations, featuring lectures, readings, problem sets, and exams.