matlab代码替换Matlab代码段
%
Hello
World
fprintf(
'
Hello
World!
\n
'
);
%
Hello
World
to
File
fid
=
fopen(
'
hello.txt
'
,
'
w
'
);
fprintf(fid,
'
Hello
World!
\n
'
);
fclose(fid);
%
Check
if
a
file
exists
if
~exist(
'
hello.txt
'
,
'
file
'
)
%
nope,
does
not
exist
else
%
yep,
exists
end
一般的
%%
Random
numbers
%
Seeding
the
RNG
rng(
0
,
'
twister
'
);
%
random
number
in
[0..1]
rand
%
>
0.1711
%
random
number
in
[a..b]
(b-a)
*
rand
+
a
%
>
a
=
-5
%
>
b
=
5
%
>
-4.6740
%%
Sampling
integers
from
[1..10]
