Calculate Matrix Inverse

What is Matrix ?

A matrix is a collection of numbers arranged into a fixed number of rows and columns. Usually the numbers are real numbers.

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What is Matrix Determinant ?

The Inverse of A is A-1 only when:
A × A-1 = A-1 × A = I
Sometimes there is no Inverse at all.

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What is Matrix Size or dimension?

The number of rows and columns that a matrix has is called its dimension.