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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:
1 C% y- _# ? |' L/ ]- XShadePlotForEmpahsis
5 l1 H9 j+ f# |# z* U" S6 E Plots a shaded bar for emphasis as commonly seen on cconomic charts
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; ]( l8 O- P* d1 ~9 Q+ t INPUTS:% Q* F! V, w& a" r6 Z4 n$ Y# b: L
x where the bar is placed. If you want a bar from x=4:8 then3 d$ w* P) l5 ~" e
use [4 8]. If you want x=[4:8,10:20] then use {4:8,10:20}! L( D3 i2 F8 s) `9 U2 v' m; }
colors Use 'y' to make all bars yellow. Use {'y','g','r'} for
$ [0 w7 T9 H. ` yellow, green and red bars.9 |+ t4 g6 `, u7 ]; o( O. ]/ @
alphas Use 0.5 if you want all bars to be translucent. Use {0,.5,1}
; o" K8 E1 Z. } for transparent, translucet and opaque bars.
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USAGE:
" ?8 j5 c" ~- B7 O) Z % DEFINE DATA
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98 98 94 91 84 83 82 87 88 89 91 91 90 89 89 90 91 91 87 86 87 84 79 80 ...
6 o6 j" T1 w2 W 85 86 86 85 93 93 93 93 97 97 95 93 93 94 95 96 96 92 89 90 91 91 91 92 ...1 @3 X& A6 E( ~( S" G2 W4 C& e
93 95 99 98 99 97 95 95 94 90 92 93 93 95 94 95 93 92 92 92 91 90 89 89 ...' ^" F2 M3 {6 g# ]( q& x8 R
90 89 90 89 88 84 84 83 84 85 85 84 82 82 82 79 80 79 80 78 78 81 83 82 ...
! ?' ~4 M- ]" N- X( o 81 79 77 77 78 77 78 79 79 81 81 81 78 78 78 78 77 78 79 79 79 79 81 85 ...3 u# K$ y% T* H- f( r4 r* ^
86 86 86 87 85 84 85 86 88 88 90 88 88 87 86 86 85 87 87 87 86 85 84 83 ...' u o; Q- ~& T2 o6 G u
82 81 81 82 81 80 82 81 79 80 81 80 80 79 85 85 82 83 84 85 86 87 86 86 ...
. I4 o! U4 r- z# y# i 85 85 85 83 79 81 83 83 84 82 80 80 80 80 84 81 80 76 71 70 70 69 69 68 ...6 f/ g/ ^2 u% u& z9 Z0 u3 s
67 68 68 68 67 68 68 70 70 72 72 71 69 68 68 68 67 68 67 66 67 67 67 66 ...
$ M4 W5 Q5 @0 |: x4 r3 E2 x0 X 65 66 65 62 60 60 59 59 59 59 65 66 63 65 68 68 68 68 69 73 74 71 71 69 ...
' q2 H5 s4 ^( r/ X 71 72 72 76 76 74 77 80 82 80 78 80 80 80 80 81 80 79 77];7 M z6 E; U" U) @- @
T=today-length(P)+1:today;
' A3 T6 T. S n) o- N8 M) q Y={today-[13 74],today-[142 172]};
9 D U2 _9 w o$ G5 b/ |! ^( U G={today-[30 51]};
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% PLOT THE DATA1 @1 [+ E e1 _4 ?4 m' h1 y2 \
plot(T,P);
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; W4 x& i/ g; F+ `" m line(get(gca,'Xlim'),[80 80])
# u- k3 k$ L% W, N9 e$ l5 I3 R+ { line(get(gca,'Xlim'),[68 68])%
- N4 l2 ^7 E2 D title({'ShadePlotForEmphasis','(P<80 yellow, P<68 green)'});# H0 w" t+ M( R4 O5 G# x4 ]8 b
9 r2 X9 Y: g7 V& x % DRAW SOME YELLOW BARS- K, n3 P0 W; ?, B2 d8 u
ShadePlotForEmpahsis(Y,'y',0.5);9 h9 j, n4 l Z
* U9 w3 O; _2 w- ? D& K % DRAW A GREEN BAR/ E/ M$ \2 P. H1 S$ ], J
ShadePlotForEmpahsis(G,'g',0.5);
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| ## _#__/5 R, {6 {. a- k7 `
| ## / #
+ v* U: ?6 B6 d' [1 [ | ## / #6 a/ e9 S% r1 n, p+ {! z7 i' ~. s
| /#_/ #
8 `$ u3 c n1 ]( P- M1 T |/ ## #
5 a; i8 v: U4 a! l# d7 y |__##_____#_____
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" F9 h" c7 r, O. o7 X IT'S NOT FANCY BUT IT WORKS
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8 z: m, ?; {* o ~1 X运行结果如下:
* ?* r; R8 b. d! I' [' E(如果提示today没有定义的话,在开头加一句today=now)5 \4 O" g; T" K2 W, Z0 z
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