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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