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Matrix Algebra: Determinant of a 3x3 Matrix

College-Cram.com:: College Algebra:: Matrix Algebra:: Determinant of a 3x3 Matrix
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Description: Learn how to calculate the determinant of a 3x3 matrix with this Formula Solver Series tutorial. It even explains the process for any square matrix of 4x4 or larger.
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Contents

  1. Introduction
  2. Determinant of a 3x3 Matrix
  3. Other Useful Matrix Resources

Introduction

The determinant of a square matrix (one with the same number of rows and columns) is a calculated quality used to define other properties of that matrix.

(Don't worry right now about the vague definition; many math professionals would have a hard time doing a better job.)

Calculating the determinant of a 3x3 (or larger) matrix uses the same technique as the 2x2 matrix -- take the sum of the products of the down-diagonals (\) and then subtract the sum of the products of the up-diagonals (/).

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Learn how to calculate the determinant of a 3x3 matrix with this Formula Solver Series tutorial. It even explains the process for any square matrix of 4x4 or larger.

Top

Other Useful Matrix Resources

While you're reviewing this matrix algebra topic, check out the other resources that we have:

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Click one of these Keywords for more resources on the topic: 3x3, 3x3 matrix, algebra, college algebra, determinant, formula solver, matrix, matrix algebra, square matrix

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