MATLAB , , (GUI). .
() () . X Y, , (). MATLAB , () X Y .
plot (X, Y) , (, ) Y X. X Y , , .
plot (X, Y, S) plot(X, Y), S.
S , 4.1.
4.1
- | |
-- | |
: | () |
-. | - |
4.1 | |
c | |
m | |
y | |
4.1 | |
r | |
g | |
b | |
w | |
k | |
. | |
+ | |
* | |
( ) | |
( x) |
, S , (, , , . .) .
lot (X1, Y1, S1, 2, Y2, S2, , Y3, S3,...) , (X, Y, S), X Y , a S . , , , . ( ). , .
, . , . plotyy, , .
z (x, ). , . X Y .
|
|
meshgrid. . meshgrid :
[X,Y,Z] = meshgrid(x, y, z) , ;
[X,Y] = meshgrid (x, y) , , X Y, . X , Y .
plot3 (...) plot(...), z (x, ). :
plot3 (x, y, z) , , z, . ;
plot3 (X, Y, Z, S) ;
plot3 (x1, y1, z1, s1, 2, 2, z2, s2,...) z1 (x1, y1), z2 (x2, y2) . . .
. mesh. :
mesh (X, Y, Z, C) Z (X, Y) , ;
mesh (X, Y, Z) C = Z.
, . mesh surface. mesh:
>> [X, Y]=meshgrid([-3:0.15:3]);
>> Z=X.^2+Y.^2;
>> mesh(X, Y, Z)
4.1 , mesh(X,Y,Z)
, MATLAB . , title ('string') , 'string'.
, z : xlabel ('String'), ylabel ('String'), zlabel ('String').
4.2 :
xlabel('String'), ylabel('String'), zlabel('String')
, . text:
text (X, Y, 'string') , 'string', (X, Y). X Y , [ x (i), y (i)];
text (X, Y, Z, 'string') , 'string', , X, Y Z.
|
|
gtext:
gtext ('string') 'string' . , .
, , . legend:
legend (stringl, string2,, strings) , ;
>> legend('')
4.3
l egend (Pos) , Pos:
Pos=0 , ;
Pos=l ;
Pos=2 ;
Pos=3 ;
Pos=4 ;
Pos=-l .
, legend
. axis :
axis ([XMIN XMAX YMIN YMAX]) ;
axis ([XMIN XMAX YMIN YMAX ZMIN ZMAX]) , z ;
axis auto ;
, . grid :
grid on ;
grid off .
. hold. :
hold on , ;
hold off ;
, . subplot, :
subplot (m, n, p) m × n , m , n , , ( ).
subplot ( . 4.4):
>>subplot(3, 2, 1); plot (x,y);
>> subplot(3, 2, 4); plot (x,y);
>> subplot(3, 2, 5); plot (x,y);
4.4 subplot |
3 . .
1. f1, f2, f3 4.2. , , .
4.2
|
|
2. f4 () 4.2.
3. - - (. 4.3) .
4.3 -
4.3 | |||
1. .
2. .
1. ?
2. mesh?
3. ?
4. grid?
5. ?
6. hold?
5