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有的时候你需要把你的一部分数据重点显示给读者,如何高亮显示这部分数据呢。Matlab(至少2010版)里面提供了一个ShadePlotForEmpahsis函数,help ShadePlotForEmpahsis会提供如下帮助:6 z% r+ y3 Q/ Y+ f% m L7 ]/ {6 k, }: C
ShadePlotForEmpahsis
4 ?( L$ n5 Q, J1 k- }6 g j- @ Plots a shaded bar for emphasis as commonly seen on cconomic charts! }( L4 e& r c, T% i0 [4 H& x
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INPUTS:6 N9 o; h: H3 B6 L1 L
x where the bar is placed. If you want a bar from x=4:8 then* e( w: I) p0 E* f4 H! y+ I+ a
use [4 8]. If you want x=[4:8,10:20] then use {4:8,10:20}
- M6 F0 u+ ~+ A Y colors Use 'y' to make all bars yellow. Use {'y','g','r'} for
+ \6 s; y Q7 n# x: X) h5 L yellow, green and red bars.
& r& ]1 v9 V" \% Y% g0 D1 h7 F" [4 I alphas Use 0.5 if you want all bars to be translucent. Use {0,.5,1}
5 R/ t- ~' E; N5 g for transparent, translucet and opaque bars.# E; b' E5 i* g. C$ X$ {
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USAGE:
1 ]/ Y, h% }$ K' D) V3 k2 r9 d % DEFINE DATA
( |1 _" z5 _8 ^$ M P=[ ...
, u/ R" J3 L5 f |/ | g 98 98 94 91 84 83 82 87 88 89 91 91 90 89 89 90 91 91 87 86 87 84 79 80 ...
) S2 ^. I, ]0 B8 j1 F8 z0 Q 85 86 86 85 93 93 93 93 97 97 95 93 93 94 95 96 96 92 89 90 91 91 91 92 ...4 Q# d4 f: x6 z6 R0 i" p" v
93 95 99 98 99 97 95 95 94 90 92 93 93 95 94 95 93 92 92 92 91 90 89 89 ...
' ?8 t2 k8 M ^ 90 89 90 89 88 84 84 83 84 85 85 84 82 82 82 79 80 79 80 78 78 81 83 82 ...
% A8 j& A1 L2 R7 _! |$ J6 ] 81 79 77 77 78 77 78 79 79 81 81 81 78 78 78 78 77 78 79 79 79 79 81 85 ...
4 V0 Q2 a2 t! V5 Q9 g+ w; y/ c 86 86 86 87 85 84 85 86 88 88 90 88 88 87 86 86 85 87 87 87 86 85 84 83 ...
% _) T2 [+ u! j( a 82 81 81 82 81 80 82 81 79 80 81 80 80 79 85 85 82 83 84 85 86 87 86 86 ...
. P; U w! C8 @- i# f+ S 85 85 85 83 79 81 83 83 84 82 80 80 80 80 84 81 80 76 71 70 70 69 69 68 ...
) l5 ?1 \( [7 S8 h 67 68 68 68 67 68 68 70 70 72 72 71 69 68 68 68 67 68 67 66 67 67 67 66 ...
& @6 _8 t, c4 S7 s 65 66 65 62 60 60 59 59 59 59 65 66 63 65 68 68 68 68 69 73 74 71 71 69 .../ p6 j& k9 K& t% c. o* n
71 72 72 76 76 74 77 80 82 80 78 80 80 80 80 81 80 79 77];
1 W5 x4 \' B' R T=today-length(P)+1:today;- ~$ {/ {/ f g( L( X& C
Y={today-[13 74],today-[142 172]};
* g0 J) Z% S; l( q* ] G={today-[30 51]};
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% PLOT THE DATA
2 V$ p4 l7 N7 B% f; c5 v+ A" ^ plot(T,P);
R/ R+ i5 g: I* O datetick;
2 T3 B- h# f7 \8 M0 k line(get(gca,'Xlim'),[80 80])
. U7 j2 @+ N2 m; {$ S8 e* a) K line(get(gca,'Xlim'),[68 68])%
2 {* K0 ^# l# S2 M6 T- G" M) P title({'ShadePlotForEmphasis','(P<80 yellow, P<68 green)'});
5 v& T" j. R3 t. M , v, H" h" ^* j- Z
% DRAW SOME YELLOW BARS" U S# y/ Z2 r$ t& P6 J8 {5 M
ShadePlotForEmpahsis(Y,'y',0.5);( t" |+ r1 U+ k# i3 x( q
" z! g& J2 _- ~, z. ?% R. ] % DRAW A GREEN BAR
$ f' w# J/ B" h& i. e# } ShadePlotForEmpahsis(G,'g',0.5);
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2 e( o$ {5 Q9 i$ X1 p/ D | ## _#__/
6 h9 }$ l& {3 `4 q9 L | ## / #
7 x! [3 V7 w0 n" s3 \9 B | ## / #; M, v p7 |$ [+ H, k: I, m
| /#_/ #2 G, `& a+ F* w3 R. _ R) }7 ]
|/ ## #
* [7 _( n" @) m+ m |__##_____#_____
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# E) @- K0 G& M, P" |4 ^ IT'S NOT FANCY BUT IT WORKS
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2 `2 w6 e3 t& B4 P1 Z运行结果如下:3 E( ?# J0 @' r6 l- W
(如果提示today没有定义的话,在开头加一句today=now) M, j1 z% A! F+ }
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