MatLab , , . MatLab, , -, -. - m (M-), MatLab. , -.
MatLab M-, New M-file , File New M-file. . - , (. 5.1):
5.1. -
x=[-1:0.01:1];
y=exp(x);
plot(x,y)
grid on
title(' ')
. , , , [1] <Shift> , <PageUp>, <PageDown> View Evaluate Selection ( <F9>). , , . , M- , , , , , .
, M-, myprog.m, Tools Run, M- ( ) <Enter>, , MatLab. M- MatLab. myprog .
MatLab 5.3 File Set Path Path Browser ( ). Current Directory . , , .
MatLab 6.x Current Directory . , Current Directory View . , .
, M-, , , M-. - , . . . , whos. , - . , :
a=[0.1 0.4 0.3 1.9 3.3];
-, bar(), a (, -).
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- - , , , -, . M-, -, , MatLab. function, , - . . 5.2 - .
5.2. - mysum
function c=mysum(a,b)
c=a+b;
. , MatLab M- -, .. mysum.m. - M-, -! , mysum.m - mysum :
s=mysum(2,3)
s =
- mysum :
a 2;
b 3;
a b c;
c s .
, c=a+b - mysum c . -, , .
MatLab - M-. sin : sin(x) y=sin(x), ans, y. mysum . , mysum .
, - . - , . 5.3 - quadec, .
5.3. -
function [x1,x2]=quadeq(a,b,c)
D=b^2-4*a*c;
x1=(b+sqrt(D))/(2*a);
x2=(b-sqrt(D))/(2*a);
quadeq , :
[r1,r2]=quadeq(1,3,2)
r1 =
r2 =
, - quadec , . .
- , - :
function noout(a,b), function [v,u]=noin, function noarg()
- - MatLab, MatLab ( , , , [2]). , 
. - myfun 
. (. 5.4) , myfun .
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5.4. - myfun
function y=myfun(x);
y=exp(-x).*(sin(x)+0.1*sin(100*pi*x));
. , 0.01, plot:
x=[0:0.01:1];
y=myfun(x);
plot(x,y)
, . 5.1, , , , . , 0.01 
plot , . . MatLab fplot plot, . fplot -, , : fplot(' -', [a,b]). fplot:
figure
fplot('myfun',[0,1])
, (. 5.1, ).
) )
. 5.1.
- plot ( 0.05) fplot :
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1. -, .
2. -, .
3. -, .
4. -, .
5. -, .
6. -, .
7. -, 1,1 .
8. -, () x y .
9. -, , .
10. -, , .
[1] , .
[2] MatLab .
