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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, O# p7 u# v( x1 `2 c
ShadePlotForEmpahsis$ v! S' l+ [; V1 Q
Plots a shaded bar for emphasis as commonly seen on cconomic charts& n1 a% J7 P, k6 c, e2 v/ b
! ^, N9 r4 v, Z, v# U+ ] INPUTS:; r; ]8 |8 M$ g7 b0 ~) n" C
x where the bar is placed. If you want a bar from x=4:8 then" g% Z( E6 e. P
use [4 8]. If you want x=[4:8,10:20] then use {4:8,10:20}
7 `: E9 |4 t) Y. J' w# Z# u8 C+ c, g colors Use 'y' to make all bars yellow. Use {'y','g','r'} for
6 D5 y/ W3 |8 I. p5 C0 } yellow, green and red bars.$ Y' m; m6 z1 m* Y+ Z7 N! a; p
alphas Use 0.5 if you want all bars to be translucent. Use {0,.5,1}
! `' D7 B, E/ O N K for transparent, translucet and opaque bars.
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USAGE:
7 e$ Q7 s& Q: O) W % DEFINE DATA
: _* o/ e4 U5 K7 w4 w6 _ P=[ ...
2 F$ y3 U5 _/ \, M4 F 98 98 94 91 84 83 82 87 88 89 91 91 90 89 89 90 91 91 87 86 87 84 79 80 ...
* _$ N e7 d, r# B4 j$ c1 \0 _ 85 86 86 85 93 93 93 93 97 97 95 93 93 94 95 96 96 92 89 90 91 91 91 92 ...7 N: `) B% J! Y+ \- K5 d! |
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 _ _4 D3 A# D7 \ 90 89 90 89 88 84 84 83 84 85 85 84 82 82 82 79 80 79 80 78 78 81 83 82 ...0 } G7 X2 s7 }( N7 Q" U# j
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 J% y; k. D$ d+ h" { 86 86 86 87 85 84 85 86 88 88 90 88 88 87 86 86 85 87 87 87 86 85 84 83 ...
; X/ G4 w; C3 j* l9 a# c w 82 81 81 82 81 80 82 81 79 80 81 80 80 79 85 85 82 83 84 85 86 87 86 86 ...6 n# o" L- {- ^* O- G
85 85 85 83 79 81 83 83 84 82 80 80 80 80 84 81 80 76 71 70 70 69 69 68 ...
- C; ^% c G' t2 g+ g 67 68 68 68 67 68 68 70 70 72 72 71 69 68 68 68 67 68 67 66 67 67 67 66 ...
" s: a q+ d% Z' r! q8 ^: [ e2 S 65 66 65 62 60 60 59 59 59 59 65 66 63 65 68 68 68 68 69 73 74 71 71 69 ...1 \) l1 Z0 w- d# \' V5 x
71 72 72 76 76 74 77 80 82 80 78 80 80 80 80 81 80 79 77];; v6 R3 X2 |( r( |
T=today-length(P)+1:today;
3 q* ]' M. B. ^( d. i6 g Y={today-[13 74],today-[142 172]};
* D8 \% |4 @% |9 o$ U G={today-[30 51]};3 u/ k, z' d- Y% D2 Z
- J! U, J7 }! y2 O % PLOT THE DATA
( {/ c& }* v( } @+ o7 K+ i) v4 X plot(T,P);) q V+ b- _9 x9 I; o9 {, e
datetick;
! e$ O5 m' f1 f m* ~ f. m' P line(get(gca,'Xlim'),[80 80])
% b% K5 ^9 A5 S# c2 k( W line(get(gca,'Xlim'),[68 68])%
9 c+ |# y! i$ H+ d* z$ [ title({'ShadePlotForEmphasis','(P<80 yellow, P<68 green)'});
" [% k4 q8 A& B* ^
) [' } c8 j/ H* s* w( ]7 H* O' v % DRAW SOME YELLOW BARS
* L- y1 i- E, F) k, R; [2 j7 \ ShadePlotForEmpahsis(Y,'y',0.5);
, w2 ]7 M0 a5 @
" Y# t; V- P! [2 k/ ^# c: A % DRAW A GREEN BAR
& i- H6 B: N8 O! L$ B& E$ O+ Z ShadePlotForEmpahsis(G,'g',0.5);8 Y. E" j( `; p; b6 i C; \; [
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$ J" l) n+ {5 i+ N6 m: L3 Y5 p1 S | ## _#__/; x. i" W1 e K# n& y2 ~( i4 n8 l
| ## / # h- {! ^' H7 T1 j3 i9 s$ v
| ## / #
6 u5 k; L$ W' _# b; w1 G6 x/ G | /#_/ #" m( J; J$ K; v* j4 I8 X$ `" o4 e1 E
|/ ## #
$ a- M- ]% a3 M$ R) B# r6 j; C6 z% X# j |__##_____#_____
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IT'S NOT FANCY BUT IT WORKS# Z4 a9 C9 V$ e6 q: x5 H
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. L+ x9 j& p* g8 j运行结果如下:
& S# m5 @1 e5 B! h& d6 L(如果提示today没有定义的话,在开头加一句today=now)5 B q9 J: e' z% N" a3 ^4 z4 Z
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5 ]. ~2 U: u, l! h0 T
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