Casio ClassPad 300 Instrukcja Użytkownika Pobierz pdf (Strona 124)

100

101

20021201

k Matrix Variable Element Operations

You can recall the value of any element of a MATRIX variable. When the data

is assigned to matrix “mat1”, for example, you can recall the element located at row 2,

column 1.

You can also assign a value to any element in a matrix. For example, you could assign the

value “5” to the element at row 1 column 2 in “mat1”, which produces the matrix

After performing the procedure under “Inputting Matrix Values with the 9 Keyboard”,

perform the following operation.

u ClassPad Operation

(1) Recall the value in row 2, column 1 of MATRIX variable “mat1”.

0matb9[c,b]w

↑↑

Row Column

2-6-2

Matrix and Vector Calculations

(2) Assign “5” to the element at row 1, column 2 of MATRIX variable “mat1”.

fW0matb9[b,c]w

Tip

•You can also perform the above operations on the “ans” variable (page 2-2-2) when it contains

MATRIX data.

Example: [[b,c][d,e]]w

D[c,b]w 3

1 2 ... 119 120 121 122 123 124 125 126 127 128 129 ... 669 670

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Casio ClassPad 300 Instrukcja Użytkownika Strona 124

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