Hp 48g Graphing Calculator Manual do Utilizador descarregar pdf (Página 166)

100

101

5. After you’ve entered all of the numl)ers in the matrix, press f ENTER)

to put the matrix on the stack.

For more details about using the Matrix Writer, see chapter 8.

To enter a matrix using the command line:

1. Press (5D(n) and f^(TT) to type the delimiters for the matrix and

for the first row.

2. Key in the first row. Press (SPC~) to separate the elements.

3. Press to move the cursor past the J row delimiter.

4. Optional: Press (SO (new line) to start a new row in the

display.

5. Key in the rest of the matrix. You don’t need C ] delimiters for

subsequent rows—they’re added automatically later.

6. Press (ENTER).

The HP 48 has built-in commands to automatically create special

matrices that are often used in conjunction with matrices you create

element by element.

To create an array filled wi en constant:

1. Enter one of the following onto the stack:

■ A list containing the dimensions of the desired constant array:

C roius columns >.

D Any array whose elements you don’t mind changing.

2. Enter the constant that you want in the array.

3. Press (MTHI MhTR make CON . This returns an array of the

same dimensions as you entered (or that the argument array had)

filled with your chosen constant.

To create an identity matrix:

1. Enter one of the following onto the stack:

a A real number representing the number of rows and columns

you want in the square identity matrix (fractional values are

rounded).

a Any square matrix whose elements you don’t mind changing.

2. Press (mth ) MhTR MAKE IDN . Returns a square identity

matrix of the given dimensions.

14-2 Matrices and Linear Algebra

1 2 ... 161 162 163 164 165 166 167 168 169 170 171 ... 611 612

Comentários a estes Manuais

Sem comentários

Hp 48g Graphing Calculator Manual do Utilizador Página 166

Comentários a estes Manuais

Manuais e produtos relacionados com PDAs Hp 48g Graphing Calculator