Hp 49g Graphing Calculator Uživatelský manuál stáhnout pdf (Strana 49)

To create an array filled with random integers

1. Select tlie Random Matrix comnaaird.

0 {Bm CREATE RANM

2. Enter either:

• a list containing the dimensions of the desired random matrix:

{ rows, columns } or

® an existing array.

Press

(ENTER).

The result is a random aiTay of the specified dimensions (or of the

dimensions of the specified array). The elements are integers within

the range -9 to 9.

Assembling matrices

To assemble a matrix by rows From a series of vectors

1. Select the Rows-to-Matrix command.

0 @1® CREATE ROW ROW^

2. Enter each vector in the order you want them to appear in the matrix.

Enter the row 1 vector first, then the row 2 vector, and so on,

separating each vector with a comma.

Enter the niunber of rows in the desired matrix.

4. Press (ENTE^.

The result is a matrix composed of the vectors you entered.

To assemble a matrix by columns From a series of vectors

1. Select the Columns-to-Matrix command.

0 fMATRiCEgl CREATE COLUMN COL^

2. Enter each vector in the order you want them to appear in the matrix.

Enter the column 1 vector first, then the colunui 2 vector, and so on,

separating each vector with a comma.

Enter the nmnber of colunms in the desired matrix.

4. Press®®.

The result is a matrix composed of the vectors you entered.

Page 5-8 Matrices and linear algebra

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Hp 49g Graphing Calculator Uživatelský manuál Strana 49