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(EQN)
2
Example 3:
x
+ x +
2
Example 4:
x
- 2√2x + 2 = 0 (MthIO-MathO)
1
3
2
Example 5:
- 2x
x
(EQN)
1
Matrix Calculations (MATRIX)
Use the MATRIX Mode to perform calculations involving matrices of up to
3 rows by 3 columns. To perform a matrix calculation, you first assign data
to special matrix variables (MatA, MatB, MatC), and then use the variables
in the calculation as shown in the example below.
Example 1:
To assign
perform the following calculations:
+
(MatA+MatB)
(a
X + b
Y + c
n
n
1
1
1
1
1
1
1
1
1
3
= 0 (MthIO-MathO)
4
2
(EQN)
(aX
+ bX + c = 0)
1
1
3
2
(EQN)
(aX
+ bX + c = 0)
2
2
- x + 2 = 0
3
2
(aX
+ bX
+ cX + d = 0)
2
1
to MatA and
61
Z = d
)
n
n
2
0
4
(X
4
(X
2
2
to MatB, and then
×
(MatA×MatB),
(X=)
1
(Y=)
2
(Z=)
3
1
√2
=) -
+
i
1
2
2
1
√2
=)
-
-
i
2
2
2
(X=)
√2
(X
=) -1
1
(X
=)
2
2
(X
=)
1
3
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