# All Science Fair Projects

## Science Fair Project Encyclopedia for Schools!

 Search    Browse    Forum  Coach    Links    Editor    Help    Tell-a-Friend    Encyclopedia    Dictionary

# Science Fair Project Encyclopedia

For information on any area of science that interests you,
enter a keyword (eg. scientific method, molecule, cloud, carbohydrate etc.).
Or else, you can start by choosing any of the categories below.

# (0,1)-matrix

A binary matrix or (0,1)-matrix is a matrix whose entries are all either zero or one.

## Examples

Examples of binary matrices are numerous:

$\begin{pmatrix} 0 & 1\\ 1 & 0\\ \end{pmatrix}$ is a 2×2 binary matrix.

## Properties

The binary idea plays a central role in mathematics, as these two elements are defined in every ring.

03-10-2013 05:06:04