Such a matrix is called "Singular", which only happens when the determinant is zero. ... The inverse of A is A-1 only when AA-1 = A-1A = I

We can calculate the Inverse of a Matrix by: Step 1: calculating the Matrix of Minors,. Step 2: then turn that into the Matrix of Cofactors,.

Also called the Gauss-Jordan method. This is a fun way to find the Inverse of a Matrix: The Elementary Row Operations are simple things like...

Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

Hi there! This page is only going to make sense when you know a little about Systems of Linear Equations and Matrices, so please go and learn about those if you don't know them already.

A Matrix is an array of numbers: A Matrix (This one has 2 Rows and 3 Columns). To multiply a matrix by a single number, we multiply it by every...

Enter your matrix in the cells below A or B. ... Or you can type in the big output area and press to A or to B (the calculator will try its best to interpret your data).

Math explained in easy language, plus puzzles, games, quizzes, videos and worksheets. For K-12 kids, teachers and parents.

Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

Inverse means the opposite in effect. The reverse of. ... It is a general idea in mathematics and has many meanings. Here are a few.