Determinants of a Matrix
Tags: #math #determinantsEquation
$$A=\sum_{i,j,k,...}\epsilon_{ijk}A_{1i}A_{2j}A_{3k}...$$Latex Code
A=\sum_{i,j,k,...}\epsilon_{ijk}A_{1i}A_{2j}A_{3k}...
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Introduction
If A is a square matrix then the determinant of A, A or (det A) is defined as above. The number of the suffixes is equal to the order of the matrix.
Latex code for Determinants of Matrix
 Assume A is a 2 by 2 matrix with elements of [a, b, c, d].
 The determinants of A (det A) equals to (adbc).
 And the inverse matrix A^{1} is calculated as
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