（1）画竖直的errorbar) L0 b5 o: k1 t4 N( T7 L
例子：+ _8 |1 B W b
close all;figure;
' w2 x0 o0 \& S* R: w, c: O# N h=bar(volume_month_mean./1e6); %--volume_month_mean 为12×2的矩阵) S8 c( P, ], H/ Z6 s4 i0 Z" B) O
set(h,'BarWidth',0.9);- a8 x: N. H0 ]
hold on;2 @3 g4 s' `4 S4 k6 v( V
set(h(1),'facecolor',[139 35 35]./255) %--设置bar的颜色
, U9 V/ j* k# f F( v set(h(2),'facecolor','k')
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, r' i; e$ o, ^, N- A ngroups = size(volume_month_mean,1);
$ N7 I9 f0 J0 G# f/ p+ t7 A+ e9 a1 m& P nbars = size(volume_month_mean,2);
- y9 c0 Y4 v6 T groupwidth =min(0.8, nbars/(nbars+1.5));# X/ {: k6 [& ~, t
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hold on;
4 H1 i7 ?- T! y' S# N, ] for i = 1:nbars %--画errorbar
6 M$ a- d8 W s; J5 C x = (1:ngroups) - groupwidth/2 + (2*i-1) * groupwidth / (2*nbars);
( `0 A5 b/ v6 ^. u" R4 f$ g errorbar(x,volume_month_mean(:,i)/1e6,volume_month_std(:,i)/1e6,'o','color',[.5 .5 .5],'linewidth',2);
& [$ G" h A0 n+ H( d) Y/ l3 ]: X end
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for n=1:128 w7 V6 v# a, I: J
if n<=9
- P/ n0 `. p+ E) \* f: x' Q time_lab{n,1}=[&#39;0&#39; num2str(n)];
# A6 R3 S; D0 D: W3 {3 v else! @. Z2 c7 W: N/ S
time_lab{n,1}=num2str(n);
& @( \$ B7 N# N0 y1 O end
, q8 G1 o6 J& Y$ a% x4 w end
; R5 S p. W) d/ {( D& I7 R3 Fset(gca,&#39;XTickLabel&#39;,time_lab,&#39;fontsize&#39;,14,&#39;linewidth&#39;,2)0 E. ]- F% Z# |7 T- g
ylim([-0.5 2.5])
5 n" k8 n8 m: o( k9 ` xlim([0 13])* @% x1 ?. A! o3 c
set(gca,&#39;ytick&#39;,-0.5:0.5:2.5)
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0 L2 A. h8 h( g（2）画水平errorbar
; h" W6 ?$ x6 j例子：8 [* P9 O2 m$ l9 B; ?
close all;figure;6 M+ Z, D" w: d1 e- @! G
h=bar(volume_mean./1e6); %--volume_mean是4*2的矩阵
" K- u. A# O4 j- W6 b/ K set(h,&#39;BarWidth&#39;,0.9);
! E! n( k I/ }# h) {8 c- r hold on;
7 c" R2 i9 |7 b3 K8 o set(h(1),&#39;facecolor&#39;,[139 35 35]./255)
8 Y3 c: x0 T; _0 s set(h(2),&#39;facecolor&#39;,&#39;k&#39;)( w+ x" d7 a2 a1 F: K1 H. a
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ngroups = size(volume_mean,1);
2 t# k' J+ g! w$ Y, [, E3 F2 r) z nbars = size(volume_mean,2);1 Y! b! y' c, [" h4 g/ G& J
groupwidth =min(0.8, nbars/(nbars+1.5));
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hold on;2 m( J7 d) g( D/ x0 P! \7 a/ M: Y& V
for i = 1:nbars3 P* X; I' a9 @: P4 |$ o6 H$ s
x = (1:ngroups) - groupwidth/2 + (2*i-1) * groupwidth / (2*nbars);
; u7 m \4 H7 I. y. \* ? errorbar(x,volume_mean(:,i)/1e6,volume_std(:,i)/1e6,&#39;o&#39;,&#39;color&#39;,[.5 .5 .5],&#39;linewidth&#39;,2);% v. [! A( e O, B) K% x
end9 ]- o, G8 M1 y. e
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" G( i/ ]( _! r2 C0 v view(-90,90)3 p( k# b9 G# I9 ]
set(gca,&#39;xdir&#39;,&#39;reverse&#39;,&#39;ydir&#39;,&#39;reverse&#39;,&#39;XTickLabel&#39;,{&#39;Winter&#39;,&#39;Spring&#39;,&#39;Summer&#39;,&#39;Autumn&#39;},&#39;fontsize&#39;,14,&#39;linewidth&#39;,2)( z/ W2 E" S' r" n$ Z
ylim([-0.5 2.5])
+ D: z+ b, `, _: J4 Q( O8 J! N set(gca,&#39;ytick&#39;,-0.5:0.5:2.5)
( g. y8 u) G W ye_xylabel(gca,&#39; &#39;,&#39;Volume[Sv]&#39;)6 b' W: E. ?9 y5 L* V! Q# s
legend(&#39;A&#39;,&#39;B&#39;,&#39;location&#39;,&#39;NorthEast&#39;)
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