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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:, D$ x# M4 F( D0 t8 ^
ShadePlotForEmpahsis1 j4 L% T5 _0 H! N1 s
Plots a shaded bar for emphasis as commonly seen on cconomic charts9 C) ] N0 _/ G: @- f
6 y% {* F3 Q1 a0 j! z" O$ ^ INPUTS:
5 g7 R. A" y) v x where the bar is placed. If you want a bar from x=4:8 then
8 @% }% J2 R. m$ i; V. Q use [4 8]. If you want x=[4:8,10:20] then use {4:8,10:20}' j- i. y, G5 K% c
colors Use 'y' to make all bars yellow. Use {'y','g','r'} for7 g$ k! y( y1 |. ^9 \
yellow, green and red bars.
( j/ s6 h' J+ C0 h9 S0 ~1 K* D alphas Use 0.5 if you want all bars to be translucent. Use {0,.5,1}, z3 k8 ^0 l6 u! L7 T' q
for transparent, translucet and opaque bars.4 U. l8 b3 g) j/ L
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USAGE:9 B, H7 F3 e5 P2 e
% DEFINE DATA
( a' ]5 Z$ Q- v- s# e. `" B; S P=[ ...
( e$ m4 X+ ]; M 98 98 94 91 84 83 82 87 88 89 91 91 90 89 89 90 91 91 87 86 87 84 79 80 ...
) k/ y. X( F9 _ 85 86 86 85 93 93 93 93 97 97 95 93 93 94 95 96 96 92 89 90 91 91 91 92 ...
+ S8 v2 M3 R! a# n3 W 93 95 99 98 99 97 95 95 94 90 92 93 93 95 94 95 93 92 92 92 91 90 89 89 ...
/ j4 }, `$ W' K. K+ S. D: w- H; t k% U 90 89 90 89 88 84 84 83 84 85 85 84 82 82 82 79 80 79 80 78 78 81 83 82 ...# G/ R5 \7 ?4 Y! v @5 G
81 79 77 77 78 77 78 79 79 81 81 81 78 78 78 78 77 78 79 79 79 79 81 85 ...
- q: p( H. C3 f 86 86 86 87 85 84 85 86 88 88 90 88 88 87 86 86 85 87 87 87 86 85 84 83 ...
8 I0 _( J, z2 r3 }; T1 |/ R) O 82 81 81 82 81 80 82 81 79 80 81 80 80 79 85 85 82 83 84 85 86 87 86 86 ...4 }9 k9 u4 ~$ Q1 A* y, o
85 85 85 83 79 81 83 83 84 82 80 80 80 80 84 81 80 76 71 70 70 69 69 68 ...
" W" ^& E1 x6 q1 P/ ^: d5 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 ...
, g" \, Z) ?) e 65 66 65 62 60 60 59 59 59 59 65 66 63 65 68 68 68 68 69 73 74 71 71 69 ...
; B/ X5 ~! k; I" q! `& R 71 72 72 76 76 74 77 80 82 80 78 80 80 80 80 81 80 79 77];
+ ?9 g: B3 o, n7 i# V" \1 V T=today-length(P)+1:today;
2 `7 D% }$ d7 `3 B. M Y={today-[13 74],today-[142 172]};
" E7 {; L+ ~. G; R1 H G={today-[30 51]};- p1 n) y' V. C+ ]9 f7 \/ \
i% j. z9 A% ]' d7 R3 H" }
% PLOT THE DATA) a; O3 m2 M, M6 s
plot(T,P);; A+ x% ~; T9 }6 O# ^
datetick;
8 @( }1 H7 r, t# y) K line(get(gca,'Xlim'),[80 80])& j1 `) K1 K1 J5 P/ M* P- W( M( |
line(get(gca,'Xlim'),[68 68])%
% D$ r( I" v$ Q6 F5 U* V3 @ title({'ShadePlotForEmphasis','(P<80 yellow, P<68 green)'});
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% DRAW SOME YELLOW BARS6 ], l8 |! s$ @: _$ P" W4 j
ShadePlotForEmpahsis(Y,'y',0.5);' p2 A3 Q5 ]( b2 B4 }$ w
R# E5 ]' i+ W3 } % DRAW A GREEN BAR
0 Z( n) Q u: O4 z9 k5 r ShadePlotForEmpahsis(G,'g',0.5);) D" H& i) s! @* y+ v1 J
5 D U9 q. _; y6 I
, \- g& o+ }5 z. I | ## _#__/0 `, a% P3 N( q: }' H* V, G1 t
| ## / #
" }9 X! l0 @: \/ p B a7 u* y | ## / #
6 F( i+ x$ O; ^4 w. L | /#\_/ #! w6 l* T+ g: n5 w; n1 K
|/ ## #' L' s2 V1 I& b! T2 J0 T, E
|__##_____#_____
7 K, ?7 ]- g' V- ?; S( ` m" q
% W; c5 q2 e6 l1 p9 b IT'S NOT FANCY BUT IT WORKS
2 w& \0 R# I& H" p+ ?
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. O3 @3 f" [ L% I; P& c运行结果如下:* t# r4 f1 T0 u% d. Z
(如果提示today没有定义的话,在开头加一句today=now)% O: M- T0 K; c- U
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