Casio CFX-9800G-w - Color Graphing Calculator Uživatelský manuál stáhnout pdf (Strana 6)

MATRIX ICON

[MENU] [3]

**MATRIX ICON FOR ENTERING & EDITING MATRICIES ONLY

**Do matrix calculations on the home screen (Run Icon).

**Enter up to 27, 256 x 256 matrices.

ENTER A NEW MATRIX

(Yes you can use fractions in matrices)

[×] [Ø]

[2] [EXE]

1st, highlight the Matrix you want to edit (Mat A through Mat Z). EX. Mat A

Start typing the dimensions.

[7] [EXE]

[4] [EXE]

[1] [EXE]

[0] [EXE]

Type the values into the matrix using [EXE] to move to the next cell.

ROW OPERATIONS

**While editing a matrix you can select row operations from the soft menu bar, operated by the function keys.

[F1]-(r- op) Row Operations…see below… row swap, row multiply, add rows, mul & add row

[F2]-(row)

[F3]-(col)

Row-Operation Choices (the lower level menu)-

[F1] Swap Row swap: enter the 2 row #'s to swap.

[F2] x Rw Multiply a row by a number:

Enter # to multiply by, then row #.

[F3] x Rw+ Multiply a row by a number, then add it to another row.

[F4] Rw+ Add 2 rows together to replace 1 row.

Delete, insert, or add another row.

Delete, insert, or add another column.

TO DO MATRIX CALCULATIONS- 1

GO TO THE RUN ICON

[MENU] [1]

[OPTN]

[F2]

Choose options key.

Choose Matrix options.

HERE ARE YOUR “LOWER LEVEL” SOFT MENU CHOICES

[F1]-Mat Label for Matrices A-E, and Ans.

[F2]-M→L Change an array matrix to a list.

[F3]-Det Determinant

[F4]-Trn Transpose a matrix

[F5]-Aug Augment a matrix

[F6]-⇒ More options: [F1] Identity, [F2] Dimension, [F3] Fill

EXAMPLES: Keystrokes…

Mat A + Mat B = [F1] [ALPHA] [A] [+] [F1] [ALPHA] [B] [EXE]

Det Mat A = [F3] [F1] [ALPHA] [A] [EXE]

Trn Mat A = [F4] [F1] [ALPHA] [A] [EXE]

TROUBLE SHOOTING

* When performing calculations on matrices, the answer is always stored in “Mat Ans”. “Ans” is located above the negative key.

* Try finding the Determinant and then transpose a matrix.

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Casio CFX-9800G-w - Color Graphing Calculator Uživatelský manuál Strana 6

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