Sharp PC-1403 - Page 57

5 1
E x ample 4 : To so l v e the fo llow i ng simultaneous l i nea r e qua t io n s wit h t h ree un k nown s
u s ing ma tr i x ca l culat i o n s
{
2 x + S y - z = -1
x - y + 4z = 12
3 x + 2y + z = 9
CD
IT]
5
2
MATRIX OPERATION
SCALAR
2 .
SCALAR 25.
SCALAR 0 . 0 4
0. 04 *x ~ x
MATRIX OPERA T ION
MATRIX : X( 2_ , 3)
X(1 , 1 )
0 .2
0.
Operat i o n :
The COM P UTE R is n ow re l ea s e d from th e M ATR I X mode .
I f y o u pre ss any of the nu meric k e y s o r the 8 k ey wh i l e t h e me ssag e " M A TRIX
OP E RAT I ON " i s be ing d i splay ed , t he CO MPU TE R ca n p e rform sc a l ar ca l cu l a t i ons .
Exa m p le 3 : T o calcu l ate 1 / 25 * X--. X , u sing th e calculat i o n r es ul t of mat rix X in
E x a m p l e 2
0.
- 2.
I X(1 , 2 )
5. X(1 , 1)
IT]
MATRIX:X(2 _ , 3 )
Now, le t' s s e e th e r es ul t of addit i on.
U s ing as a Calculator