Sharp PC-1403

5 4
Pr inting of Matrixes
T o p ri nt th e da ta (e . g. , val ue o f e ach eleme nt) of matr i x X , prepa re and e xecu te the
fo ll ow i ng prog ram . If yo u exe c ut e th e progr am by t y p i ng "RUN " and pre s s in g
I E N T ER l . h o wev e r , all t h e m at rix d at a w i ll b e c le a red f ro m mem ory. So b e sur e t o
e xe c ute t he pr ogra m wit h t he ~ key .
1 00 " M " : I N PU T " R OW "; l l
110 I N P U T " COLUMN " ;JJ
1 20 F OR l= O T O 11 - 1
1 30 F OR J = O TO J J - 1
1 4 0 L P RINT " X (" ;l + 1 ; " ,"; J + 1 ;" ) = ";X (l ,J)
150 N EX T J : N EX T ! : E ND
I f t h e d a t a of m at ri x Y o r M is t o be print ed, c h ang e " X " at t h e two p l aces i n lin e 1 40 of
th e a bo ve p rogr a m t o rea d "Y " or "M" .
(Ope rati o n ) Pr e s s t he ~ 00 k e ys in t h e RUN m o d e , a n d the de s i gn ated m a trix
d at a w i ll b e ou t p u t o n th e printer .
(2 x 2 x 8 + 7] + (2 x 2 x 8 + 7 ) + ( 2 x 2 x 8 + 7) = 11 7 b y te s
I I I
Matr ix X Matrix Y R es u lt a n t ma tr ix
X = [ 2 3 J
5 1
Y ~ [ B 3 0 J
7 1 5 .
( m a t rix M und efined )
T he requ i r ed memory c a pacity w ill be ca l cu lated a s foll o ws:
E x ample 6 : T o c a lc u la t e t h e m ult i plic ation o f th e follo wi n g two m atrix e s ( X · Y - X )
Howe v er , w he n ne i t he r m at r i x Y nor ma t rix M i s us ed , t he value s ( n o . o f ro w s an d
n o . o f co l umn s) in br a cke t s o f each unused m at r i x wi ll be treated as O for the
capaci t y cal c u l ati o n . The re s ultant m atrix i s only required du ri ng th e ca l culati on a nd
w i ll be clea red on c o m pl e t ion o f the c alc u lat io n . For inf or ma t i o n , n o res u l ta n t m a t r i x
is requir e d for the e x ecution of ~ , IBM) , o r rn . Two re s u lt ant m a trix es are
re qu i r ed fo r m at r ix op erat ions usi ng rn and n [E]' since t h ese ope r ations inv o l ve
tw o ca l c u l a t io n s (i . e., i n v er sio n and m u ltipli ca ti o n) .
• I f the m es sage " ME M ORY OV E R" appear s on th e d i s p lay w h il e in th e MATR I X
m ode, eras e t he var i ab l e s o r pro g r a m s use d in BA SIC i n o rder to i n cr ea s e t he
unus ed m emo r y capa ci ty for matrix c a lcul ati on s.
U si ng as a C a lcula t or