HP 39g+ Graphing manual Key Meaning Moves to the first row, last row, first

To display a matrix

To display one element

To create a matrix in HOME

Key	Meaning (Continued)
	Moves to the first row, last row, first
	column, or last column respectively.

•In the Matrix catalog ( MATRIX), highlight the

matrix name and press .

•In HOME, enter the name of the matrix variable and

press .

In HOME, enter matrixname(row,column). For example,

if M2 is [[3,4],[5,6]], then M2(1,2) returns 4.

1.Enter the matrix in the edit line. Start and end the matrix and each row with square brackets (the shifted

and keys).

2.Separate each element and each row with a comma. Example: [[1,2],[3,4]].

3.Press to enter and display the matrix.

The left screen below shows the matrix [[2.5,729],[16,2]] being stored into M5. The screen on the right shows the vector [66,33,11] being stored into M6. Note that you can enter an expression (like 5/2) for an element of the matrix, and it will be evaluated.

Matrices 13-5