B4P Reference

Function Names

identity

Description

This function creates an identity matrix with 1's diagonally from to left to bottom right, with other fields at zero

Call as: function

Restrictions

Indirect parameter passing is disabled

Parameter count

Parameters

No.	Type	Description
1 input	numeral	size Defines the nxn size of the identity matrix to be created

Return value

Type	Description
matrix	Identity matrix Contains 1's across the diagonal

Examples

print matrix( "0", 2, " |", "Identity Matrix = ", identity(5) );

Output

                   | 1   0   0   0   0 |
                   | 0   1   0   0   0 |
Identity Matrix =  | 0   0   1   0   0 |
                   | 0   0   0   1   0 |
                   | 0   0   0   0   1 |

Try it yourself: Open LIB_Function_identity.b4p in B4P_Examples.zip. Decompress before use.

identity