Matrix functions, Argument conventions – HP Prime Graphing Calculator User Manual

Page 481

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Matrices

477

Argument

conventions

For row# or column#, supply the number of the row
(counting from the top, starting with 1) or the number
of the column (counting from the left, starting with 1).

The argument matrix can refer to either a vector or a
matrix.

Matrix functions

The matrix functions are available in the Matrix category
on the Math menu:

D

Select Matrix Select a function.

Transpose

Transposes matrix. For a complex matrix, TRN finds the
conjugate transpose.

TRN(matrix)

Example:

TRN

returns

Determinant

Determinant of a square matrix.

DET(matrix)

Example:

DET

returns –2

RREF

Reduced Row-Echelon Form. Changes a rectangular
matrix to its reduced row-echelon form.

RREF(matrix)

Example:

RREF

returns

Create

Make

Creates a matrix of dimension rows × columns, using
expression to calculate each element. If expression
contains the variables I and J, then the calculation for each
element substitutes the current row number for I and the
current column number for J. You can also create a vector

1 2
3 4

1 3
2 4

1 2
3 4

1 2

1

3 4

1

1 0 0.2
0 1 0.4

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