Please read our Introduction to Matrices first. Just like a number has a reciprocal ... Reciprocal of a Number (note:

Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. 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.

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

One of the last examples on Systems of Linear Equations was this one: x + y + z = 6. 2y + 5z = 4. 2x + 5y z = 27.

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...

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

An inverse function goes the other way! Let us start with an example: Here we have the function f (x) = 2x+3, written as a flow diagram:

They have many uses ... A simple example is that an eigenvector does not change direction in a transformation ... How do we find that vector?

The reciprocal is simply: 1/number. To get the reciprocal of a number, we divide 1 by the number. We can think of a whole number as being...