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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:% I% y( }) E. s# K L
ShadePlotForEmpahsis
4 R1 O7 [; f4 E4 D" y8 U) @4 \9 y Plots a shaded bar for emphasis as commonly seen on cconomic charts
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INPUTS:1 e j7 I8 Q3 u8 P
x where the bar is placed. If you want a bar from x=4:8 then
& u! _6 C! n6 n4 W+ e use [4 8]. If you want x=[4:8,10:20] then use {4:8,10:20}: Q, ^- `( Y' s( z2 {4 \
colors Use 'y' to make all bars yellow. Use {'y','g','r'} for
- R( K8 p0 L$ [4 l' a7 b0 @ yellow, green and red bars.& T2 B' m4 s' c; Q$ j+ X
alphas Use 0.5 if you want all bars to be translucent. Use {0,.5,1}; g! }0 W+ X9 k
for transparent, translucet and opaque bars.
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( Q: Y6 Y1 C3 X USAGE:
$ W6 a* f D- b/ z4 }) K % DEFINE DATA. O+ d& \3 l0 _5 V9 M) W, g
P=[ ...
, G8 N1 b+ O2 f: ~$ r 98 98 94 91 84 83 82 87 88 89 91 91 90 89 89 90 91 91 87 86 87 84 79 80 ...; z, n: _7 W1 l( s. n- S, [
85 86 86 85 93 93 93 93 97 97 95 93 93 94 95 96 96 92 89 90 91 91 91 92 ...
8 p) h* Y) w! s' e2 O7 k 93 95 99 98 99 97 95 95 94 90 92 93 93 95 94 95 93 92 92 92 91 90 89 89 ...
2 k5 n- f$ e0 D( E5 W 90 89 90 89 88 84 84 83 84 85 85 84 82 82 82 79 80 79 80 78 78 81 83 82 ...
& k3 E: ]1 r3 | 81 79 77 77 78 77 78 79 79 81 81 81 78 78 78 78 77 78 79 79 79 79 81 85 ...5 S- o0 M* i; K1 g
86 86 86 87 85 84 85 86 88 88 90 88 88 87 86 86 85 87 87 87 86 85 84 83 ...
~5 O. d( T; {2 p! a0 S# p( N+ | 82 81 81 82 81 80 82 81 79 80 81 80 80 79 85 85 82 83 84 85 86 87 86 86 ...9 ~* d0 \% `. y
85 85 85 83 79 81 83 83 84 82 80 80 80 80 84 81 80 76 71 70 70 69 69 68 ...- B! ^* {9 e! J
67 68 68 68 67 68 68 70 70 72 72 71 69 68 68 68 67 68 67 66 67 67 67 66 ...
& w2 O4 g1 J1 ^, B, A8 P' d 65 66 65 62 60 60 59 59 59 59 65 66 63 65 68 68 68 68 69 73 74 71 71 69 ..." A% c/ `0 h. x& `6 i) l
71 72 72 76 76 74 77 80 82 80 78 80 80 80 80 81 80 79 77];
M" d4 b+ I* h# Z- `( S T=today-length(P)+1:today;
H7 n# V2 G8 g7 ~3 z7 a7 L! g Y={today-[13 74],today-[142 172]};6 l" H8 m! G/ Y5 C6 r+ t$ K
G={today-[30 51]};, h% Y4 a2 b1 Y# R" u- Q8 g+ J5 [
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% PLOT THE DATA
: l/ |5 W; H# r- T# B" y4 l plot(T,P);
! Z! n' i3 L* Q. y datetick;
1 u* O- ?4 _& f# K; E+ _ line(get(gca,'Xlim'),[80 80])
4 ]6 _# T# r4 Y I line(get(gca,'Xlim'),[68 68])%" G: f2 E' |! Y. }& k; L
title({'ShadePlotForEmphasis','(P<80 yellow, P<68 green)'});
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% DRAW SOME YELLOW BARS
1 T2 l0 J& X- E( P) l6 _ ShadePlotForEmpahsis(Y,'y',0.5);# T9 a( l! Y) k, j% C$ x9 O* g- i6 s- C
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% DRAW A GREEN BAR
$ d3 {* }# ~+ M0 c9 h1 B; j/ k) T ShadePlotForEmpahsis(G,'g',0.5);, h5 P5 M0 h% J# ?! ~# S
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2 u" S6 B9 S/ Y u- z | ## _#__/
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: j6 a, U) f0 @( ` E | ## / #
0 ?6 X, L" g4 d | /#\_/ #3 B! ?* i; H7 |2 p: @
|/ ## #
4 t# l% I. C1 H+ w |__##_____#_____! X, @7 s! P7 u5 }1 p
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IT'S NOT FANCY BUT IT WORKS
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& N& w R9 G7 p; y2 f8 c2 F2 f运行结果如下:
3 l/ W e4 m0 U* i: O) K(如果提示today没有定义的话,在开头加一句today=now)
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