Sharp PC-1403 - Page 56

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MATRIX OPERATION
(Th e message " BUSY " a p pears
ind i cat in g t h a t t h e comp u te r i s
pe rf o r mi ng a c alc u latio n.)
x + v - x
MATRIX OPERATION
Operati o n :
0
2
3
- 5
No te : • P r e ss i ng t he ~ k e y d u ring the e x ec u t i o n o f a matr i x c a l c ul a tion causes the
ca l cu l a tio n to b e sus pe nd e d . A t t h i s po i n t , th e va l u es of mat r ixe s X, Y, and
M w i ll be r et aine d as t hose be fo r e th e exe cut i on o f t he c a l culation .
• Press the n ~ [XI i n th i s o r d e r t o p erf orm t he di v ision of matrix X
elemen t s by sca l ar n .
• I f m ost of the eleme nt s o f a mat r ix ha v e t h e same va lu e , execute the n [±]
operation w i th a ll th e mat r i x e le ment s se t a s 0 and then co rr ect on ly the val ue
of each element ha vi ng a v alu e ot h er th a n n . Thi s w ill faci lit ate t he input of t he
m atrix e l ements .
On co mp letion of the matr i x ca l c ul a tio n , th e message "MATRIX OPERAT I ON "
appears a ga i n on the d i splay , i ndicati ng t h a t the COM PUTER is r eady fo r t he next
matr i x ca l cu lation. After the dete rm i na n t v al u e o f matrix Xis d i s p l a y ed b y pr essing the
[]]ke y, the message "MA TR IX OPE RATION " will appe ar again if you pres s o ne of
th e OJ, OJ,~ , CE ,~ , a nd I ENTER I k e ys.
Example 2: To calcu l ate X + Y , u s i n g t h e values of t he r e s pe c tive elements of
matr i xes X a nd Y e nt er e d (s to re d in memory) in E xample 1
K ey
F u n c tion
[BJ!)
M--+X:
I n v o k es the mem ory c on ten t s o f mat r ix M into ma t rix X
( w hile c l eari ng th e p re v i o us content s of matr i x X.)
[M±] X + M --> M : Adds t he va l ue o f mat rix X c um ul a tiv ely to the
m e mo ry conten t s of m a trix M .
To pe rf or m th is o p e r a ti on , m a t rix es X and M m ust be equal to
ea ch o t her in bo th the n um be r of rows and the n umber of
co l umns .
Using as a Calcula t or