EN-33
5. Input the elements of MatB: 2 =- 1 =- 1 = 2 =.
6. Press A to advance to the calculation screen, and perform the first
calculation (MatA×MatB): 14(MATRIX)3(MatA)*14(MATRIX)
4(MatB)=.
• This will display the MatAns screen with the calculation results.
“Ans” stands for
“MatAns”.
Note: “MatAns” stands for “Matrix Answer Memory”. See “Matrix Answer
Memory” for more information.
7. Perform the next calculation (MatA+MatB): A14 (MATRIX)
3(MatA)+14(MATRIX)4(MatB)=.
Matrix Answer Memory
Whenever the result of a calculation executed in the MATRIX Mode is a
matrix, the MatAns screen will appear with the result. The result also will be
assigned to a variable named “MatAns”.
The MatAns variable can be used in calculations as described below.
• To insert the MatAns variable into a calculation, perform the following
key operation: 14(MATRIX)6(MatAns).
• Pressing any one of the following keys while the MatAns screen is
displayed will switch automatically to the calculation screen: +, -, *,
/, E, w, 1w(
x
3
). The calculation screen will show the MatAns
variable followed by the operator or function for the key you pressed.
Assigning and Editing Matrix Variable Data
Important: The following operations are not supported by the Matrix Editor:
m, 1m(M–), 1t(STO). Pol, Rec, and multi-statements also cannot
be input with the Matrix Editor.
To assign new data to a matrix variable:
1. Press 14(MATRIX)1(Dim), and then, on the menu that appears,
select the matrix variable to which you want to assign data.
2. On the next menu that appears, select dimension (
m×n).
3. Use the Matrix Editor that appears to input the elements of the matrix.
To assign
1 0 –1
0 –1 1
to MatC
14(MATRIX)
1(Dim)3(MatC)4(2×3)
1 = 0 =- 1 = 0 =- 1 = 1 =
To edit the elements of a matrix variable:
1. Press 14(MATRIX)2(Data), and then, on the menu that appears,
select the matrix variable you want to edit.
→
MAT
MAT
→
MAT
MAT
→
MAT
MAT
→
MAT
MAT
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MATMAT
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