MATLAB??????

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MATLAB??????

• ??????

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??

• MATLAB ??????????,??????????????????
• MATLAB ??????????????,???????????,?????????????
• MATLAB ??????,?????????????,??????????????????

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MATLAB??????

1. ????????
2. plot ??
3. ????????????
4. ??????
5. ??????
6. ?? axis ??
7. ????????
8. ??????

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????????

• ??????????plot
• ??plot(y,line_style)
• y ?????????????
• 
  line_style ????????????

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plot ??????
plot?? ???? RGB?
b ??(blue) (0,0,1)
g ??(green) (0,1,0)
r ??(red) (1,0,0)
c ???(cyan) (0,1,1)
m ???(magenta) (1,0,1)
y ??(yellow) (1,1,0)
k ??(black) (0,0,0)
w ??(while) (1,1,1)
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plot ??????(?)
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plot?????????
plot ?? ????
none ???(???)
. ??(point)
o ??(circle)
x ??(x-mark)
??(plus)
??(star)
s ??(square)
d ??(diamond)
v ?????(triangle (down))
?????(triangle (up))
lt ?????(triangle (left))
gt ?????(triangle (right))
p ????(pentagram)
h ????(hexagram)
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plot?????????(?)
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plot?????????(?)
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plot?????????(?)
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plot?????????
plot ?? ????
- ??(???)(solid)
??(dotted)
-. ???(dash dot)
-- ??(dashed)
(none) ???(no line)
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plot?????????(?)
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????????(?)

• ????????????
• ????? (scalar)
• ?? (vector)
• ?? (matrix)

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????????(?)

• scalar

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????????(?)

• vector

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????????(?)

• matrix

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???????1
?? ?? ??
title title(name) ????????
xlabel xlabel(name) ?x??????
ylabel ylabel(name) ?y??????
text text(x,y,word) ?????(x,y)??
gtext gtext(word) ??????????
legend legend(h, word,...) ??????????
grid grid on ??????
grid grid off ??????(??)
box box on ??????(??)
box box off ???????????
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???????1(?)

• title(?????)

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???????1(?)

• xlabel(2008/12/012008/12/12)
• ylabel(??)

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???????1(?)

• text(3,37.15,??????)

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???????1(?)

• gtext(?????)

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???????1(?)

• legend(3, ???, ??, ???)

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???????1(?)

• grid on

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???????1(?)

• box off

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???????1(?)

• legend

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???????2

• set (?????????)

?? ?? ??
gca set(gca,) ?????????
xtick set(gca,xtick,) ?x?????????
xticklabel set(gca,xticklabel,) ?x?label??????
color set(h,color,) ??????
linestyle set(linestyle) ??????
linewidth set(h,linewidth) ??????
Marker set(h,marker) ?????
MarkerSize set(h,MarkerSize) ??????
MarkerEdgeColor set(h,MarkerEdgeColor) ????????
MarkerFaceColor set(h,MarkerFaceColor) ????????
gcf set(gcf,) ?????????
name set(gcf,name,) ??????
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???????2(?)

• Example

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???????2(?)

• yticktmp 2045
• set(gca,ytick yticktmp)

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???????2(?)

• set(gca,'xticklabel','12/1','12/2','12/3','12/4',
  '12/5','12/8','12/9','12/10','12/11','12/12')

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???????2(?)

• hplot(y,'ro-')
• set(h,'color','g')

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???????2(?)

• set(h,'linestyle','-.')

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???????2(?)

• set(h,'linewidth',3)

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???????2(?)

• set(h,'Marker','s')

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???????2(?)

• set(h,'Markersize',13)

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???????2(?)

• set(h,'MarkerEdgeColor','k')

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???????2(?)

• set(h,'MarkerFaceColor','r')

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???????2(?)

• set(gcf,name,12?????????')

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??????

• subplot(RowNum,ColumnNum,Num)

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?? axis ??
?? ??
axis(Xmin, Xmax, Ymin, Ymax) ??x?y???????
axis(auto) ?Matlab????
axis(axis) ???????,????????
axis(xy) ???????(Cartesian Coordinate)
axis(ij) ?????,?????????
axis(square) ??????(??????)
axis(equal) x?y????
axis(normal) ??Matlab??
axis off ???????
axis on ??????(??)
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?? axis ??(?)

• axis

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???????????

• colordef
• ????????????
• ??? colordef ??,?? plot ???????????

?? ??
colordef white ???????,????????
colordef block ???????,????????
colordef none ???????,???????
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????????(?)

• plotyy??
• ????????y?

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????????(?)

• fplot ??
• ??????????????

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????????(?)

• Semilogx??
• ? x ??????,???????

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?????????
?? ?? ??
bar bar(X,Y) ???
comel comet(X,Y) ?????(X(i),Y(i)) ?i?????????
compass compass(X,Y) ? ,????????????????Z(??????,???????)
errorbar errorbar(X,Y,L,U) ?(X(i),Y(i))???,????(X(i),Y(i)U(i)) ,????(X(i),Y(i)-L(i)) ,???????????L(i)U(i)???????,??????
feather feather(X,Y) ? ,?X??????,??????????Z()
hist hist(Y) ?Y??????????????
polar polar(theta,r) ????????,??theta,r??????????????????
rose rose(theta) ?theta ??????????,???????
stairs stairs(X,Y) ???
stem stem(X,Y) ???
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?????????(?)