Hp 48g Graphing Calculator Instrukcja Użytkownika Pobierz pdf (Strona 171)

100

101

Extracting and Replacing Elements of Matrices

To extract the array element at a specified position:

1. Enter the array onto the stack.

2. Enter one of the following:

B A list containing the row and column number of the element you

wish to extract: C row column '}.

B The position number of the element you wish to extract. (For

matrices, this is interpreted as row-major order.)

3. Press [ MTH) MHTR

array element.

iKE GET to extract the specified

To replace an array element at a specified position;

1. Enter the array onto the stack.

2. Enter one of the following:

B A list containing the row and column number of the element you

wish to replace: L row column J.

■ The position number of the element you wish to replace. (For

matrices, this is interpreted as row-major order.)

3. Enter the new replacement element.

4. Press fMTH) MhTR make fiMXT) PUT to replace the element

at the specified location with the new element.

Characterizing Matrices

Matrix calculations are often sensitive to special characteristics of the

matrices used. The HP 48 has a number of commands that return

characteristics of matrices. Note that some commands are only defined

for square matrices, some for any rectcingular matrix.

Matrices and Linear Algebra 14-7

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