Matrices and Determinants

How to know if matrix is Invertible?
July 25, 2013  Author: Jashan
Any given square matrix A is said to be Invertible if its inverse exists. In other words, we can say that square matrix A is said to be Invertible if there exists another square matrix B such that where I is an identity matrix of same order as of A and B.
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What is Involutory Matrix?
December 12, 2012  Author: Jashan
Example of Involutory Matrix: Video Tutorial
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Video Tutorial: What is Nilpotent Matrix?
 Author: Jashan
Example of Nilpotent Matrix: Video Tutorial
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