| . |
| . - |
1. . : , , . fopen . , ( t , , ):
rt ;
rt+ ;
wt ;
wt+ .
, .
fprintf.
fprintf . fprintf . \r\n
1. -
[F,mes]=fopen('t.txt','w');
fprintf(F,' fprintf.');
fprintf(F,' ');
fprintf(F,'\r\n \r\n');
fprintf(F,' ')
fclose(F);
t.txt :
fprintf.
2. .
[F,mes]=fopen('t1.txt','w');
%
fprintf(F,' sin x \r\n');
%
fprintf(F,' _________________ \r\n')
fprintf(F,'| x | sin x |\r\n')
fprintf(F,' _________________ \r\n')
fclose(F);
.
fprintf :
Fprintf(, , )
. 3.
[F,mes]=fopen('t3.txt','w');
x=pi/2;
y=sin(x);
fprintf(F,' x=%7.4f sin(x)=%11.8f',x,y);
fclose(F);
x= 1.5708 sin(x)= 1.00000000
%7.4f , . , 7 , 7 , 4 - 4 , f , .
.
|
|
|
. 4.
[F,mes]=fopen('t3.txt','w');
x=[0:pi/4:2*pi];
y=sin(x);
M=[x;y]
fprintf(F,' |%7.4f |%11.8f|\r\n',M);
fclose(F);
| 0.0000 | 0.00000000|
| 0.7854 | 0.70710678|
| 1.5708 | 1.00000000|
| 2.3562 | 0.70710678|
| 3.1416 | 0.00000000|
| 3.9270 |-0.70710678|
| 4.7124 |-1.00000000|
| 5.4978 |-0.70710678|
| 6.2832 |-0.00000000|
1. 
1, : , . .
2. . , . , , . . celldisp(M) . cellplot(m). , - .
5.
m{1,1}=' ';
m{1,2}=[5 4 3 5];
m{2,1}=' ';
m{2,2}=[5 2 3 5;4 3 2 4];
>> m
m =
' ' [1x4 double]
' ' [2x4 double]
>> celldisp(m)
m{1,1} =
m{2,1} =
m{1,2} =
5 4 3 5
m{2,2} =
5 2 3 5
4 3 2 4
>> cellplot(m)
2. : , , - 2.
