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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:
" G- R+ |& _. o, qShadePlotForEmpahsis; n- @! k1 j2 Y7 M6 U# ~
Plots a shaded bar for emphasis as commonly seen on cconomic charts
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INPUTS:( S6 R% A# s2 a3 P9 @, U: m2 ?1 w
x where the bar is placed. If you want a bar from x=4:8 then
; I Z3 {/ d+ P# t5 y use [4 8]. If you want x=[4:8,10:20] then use {4:8,10:20}
/ J. m( \! N; B colors Use 'y' to make all bars yellow. Use {'y','g','r'} for$ X- R" v5 O4 A3 ?% X: w" W9 ~
yellow, green and red bars.
( ]% P0 u+ B' e, m$ V0 x" C* ` alphas Use 0.5 if you want all bars to be translucent. Use {0,.5,1}4 [' ]7 t+ V5 A
for transparent, translucet and opaque bars." |6 W+ w' `/ Q4 q1 y6 d: w% S
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USAGE:: U. z+ f1 e9 \! ?9 G8 d0 e% G
% DEFINE DATA( u& X( S6 m; X0 B
P=[ ...! m1 Y7 m, g2 g) R3 h4 a+ T
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 T' p; M; t$ Y, F! 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 ..." Q( K B i8 {5 O# Q% s- Q! @
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 n' N* m& y1 m% |0 ` 90 89 90 89 88 84 84 83 84 85 85 84 82 82 82 79 80 79 80 78 78 81 83 82 ...
1 _/ o4 K* n0 d( C2 \& L/ u9 ^( w 81 79 77 77 78 77 78 79 79 81 81 81 78 78 78 78 77 78 79 79 79 79 81 85 ..." X% G1 K, A" K$ I; K
86 86 86 87 85 84 85 86 88 88 90 88 88 87 86 86 85 87 87 87 86 85 84 83 ...
, p; R. x( Z5 o: \ Z' \6 A H- _$ g 82 81 81 82 81 80 82 81 79 80 81 80 80 79 85 85 82 83 84 85 86 87 86 86 ...! \: T' Q7 j5 {1 I& [2 x
85 85 85 83 79 81 83 83 84 82 80 80 80 80 84 81 80 76 71 70 70 69 69 68 ...
* Y3 N0 A7 |, r- y 67 68 68 68 67 68 68 70 70 72 72 71 69 68 68 68 67 68 67 66 67 67 67 66 ...
" O6 p2 _; q. M* | 65 66 65 62 60 60 59 59 59 59 65 66 63 65 68 68 68 68 69 73 74 71 71 69 ...; ]- m$ y# \7 a8 i
71 72 72 76 76 74 77 80 82 80 78 80 80 80 80 81 80 79 77];3 O: r: h# W% M$ @ R* w; y4 S; b
T=today-length(P)+1:today;+ b0 P+ ]% r2 _" N4 d, a/ a
Y={today-[13 74],today-[142 172]};
+ [4 |4 L. S6 ~ G={today-[30 51]};
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% PLOT THE DATA* i5 _. c( Q+ h& v3 D; O
plot(T,P);3 Y1 a. X0 F! P+ c' `/ r
datetick;
, M) o9 Q; U3 S% \ line(get(gca,'Xlim'),[80 80])
7 ~3 e( d' M" T line(get(gca,'Xlim'),[68 68])%
1 h% ?9 q" e* j. [. F2 J& ] title({'ShadePlotForEmphasis','(P<80 yellow, P<68 green)'});! n4 a( A Y( Q1 W- x
. N% j7 F( c1 h % DRAW SOME YELLOW BARS
; O. _+ K) n3 \ Z( O2 X' l5 d" W' p ShadePlotForEmpahsis(Y,'y',0.5);& w v: K2 e* u# r
# V( G# r3 I9 A; k) g3 P8 w % DRAW A GREEN BAR% b, A; P" T8 s7 Z S" W. w! c! j2 u
ShadePlotForEmpahsis(G,'g',0.5);
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) V9 m0 q0 T" K. M: t/ [7 J | ## _#__/* @2 J7 B4 J! I" j5 s; U; {
| ## / #
o3 v( G$ H' Q- k+ Q9 p0 O | ## / #0 _! B. W- w' u6 u1 V
| /#\_/ #
# W8 g+ b* D | |/ ## #
9 R1 u& G5 g3 Q' L8 U% S$ c) X |__##_____#_____
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/ N! w N$ [+ ?& j4 t IT'S NOT FANCY BUT IT WORKS% m4 o! z% U$ v! `4 ?
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& Y( h& |1 c7 x# L, q$ L运行结果如下:; m* g' U9 ^9 e2 a0 c6 u9 S- }$ g# z
(如果提示today没有定义的话,在开头加一句today=now)
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