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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 {- _ v) h! l7 `0 t
ShadePlotForEmpahsis4 x4 K' C1 ?: A O# J% o
Plots a shaded bar for emphasis as commonly seen on cconomic charts
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INPUTS:
" R; c0 `) I1 ^5 C' R x where the bar is placed. If you want a bar from x=4:8 then( O" [, n' V" H* X
use [4 8]. If you want x=[4:8,10:20] then use {4:8,10:20} ~5 Y* N8 t7 i% w% X1 d
colors Use 'y' to make all bars yellow. Use {'y','g','r'} for
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alphas Use 0.5 if you want all bars to be translucent. Use {0,.5,1}9 r) s6 U; Y$ z, e) w' K
for transparent, translucet and opaque bars.9 _9 a* I& s; q Q2 ]# ]- T& q
1 x2 [- Y! z5 ]# Q: G, a USAGE:
' r5 y8 u; l4 q5 a( ] % DEFINE DATA
9 d* B# }2 x: z# ` k8 e; s P=[ ...1 ~- p8 z: v; t& C s
98 98 94 91 84 83 82 87 88 89 91 91 90 89 89 90 91 91 87 86 87 84 79 80 ...2 w2 \7 L2 K7 H; L, `
85 86 86 85 93 93 93 93 97 97 95 93 93 94 95 96 96 92 89 90 91 91 91 92 ...
9 S: k Q, N- L' [ 93 95 99 98 99 97 95 95 94 90 92 93 93 95 94 95 93 92 92 92 91 90 89 89 ...
6 l1 N& i' |: h5 s1 W3 ~) V' c 90 89 90 89 88 84 84 83 84 85 85 84 82 82 82 79 80 79 80 78 78 81 83 82 .../ Z" u ?# x+ ?7 g5 e/ S' h* ~/ V Y
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 a/ {# Q( f$ m7 `* @ 86 86 86 87 85 84 85 86 88 88 90 88 88 87 86 86 85 87 87 87 86 85 84 83 ...
, z( i1 [7 E0 C5 a: T9 p 82 81 81 82 81 80 82 81 79 80 81 80 80 79 85 85 82 83 84 85 86 87 86 86 ...
8 I9 `8 C* o4 [5 C$ E 85 85 85 83 79 81 83 83 84 82 80 80 80 80 84 81 80 76 71 70 70 69 69 68 ...
+ \2 K- W# p+ S" n 67 68 68 68 67 68 68 70 70 72 72 71 69 68 68 68 67 68 67 66 67 67 67 66 ...
/ K0 V4 a# K/ p% U4 T& G 65 66 65 62 60 60 59 59 59 59 65 66 63 65 68 68 68 68 69 73 74 71 71 69 ...
8 L0 t) z2 t: b6 y1 `" w 71 72 72 76 76 74 77 80 82 80 78 80 80 80 80 81 80 79 77];
; y7 t/ q. [5 Z: G( f7 q! T' y" h% K T=today-length(P)+1:today;& s- H( O7 N$ z4 N T
Y={today-[13 74],today-[142 172]};' F; `4 c1 e0 S) L
G={today-[30 51]};
$ |# R8 ]+ i! m 1 m2 n# p2 A: ~$ P z, Y- x
% PLOT THE DATA B9 F2 R& X5 I. U+ U* N/ v
plot(T,P);
# x. R! {/ v9 z/ o! i datetick;
; F) z4 x; J2 I line(get(gca,'Xlim'),[80 80])
) T$ x! f8 M9 x1 a& X; W line(get(gca,'Xlim'),[68 68])%! m! Q1 I6 T8 F& ]% Z
title({'ShadePlotForEmphasis','(P<80 yellow, P<68 green)'});" w* J* S2 R) v9 F5 |" E0 s
) d. b' b- _" ^ % DRAW SOME YELLOW BARS
6 j) D' w: K4 V4 J1 j H# N ShadePlotForEmpahsis(Y,'y',0.5);2 E9 R6 t: C9 O+ c1 x
) N! v+ f5 Z) \1 K p; p
% DRAW A GREEN BAR9 k0 Q; o! t2 L( B
ShadePlotForEmpahsis(G,'g',0.5);9 F% x3 q8 e* D. H( h, ?
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| ## _#__/9 U9 R1 Y+ i6 \
| ## / #
' L9 s/ w) y1 [: J | ## / #
4 x' O9 q- a2 W3 x: N) w | /#\_/ #$ I0 o0 m- h- p; {( E5 Q4 J
|/ ## #; k R$ b. }' `7 k5 C- l
|__##_____#_____5 A& ^. F8 t& j' {" k9 A
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IT'S NOT FANCY BUT IT WORKS# g6 W0 X$ K* l
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运行结果如下:% H( ]4 ^( _3 A, s$ g% X0 ~! [
(如果提示today没有定义的话,在开头加一句today=now)
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