（1）画竖直的errorbar
8 \0 w! b+ n* X, n# H例子：
7 H8 \" z' T! J4 ?close all;figure;- Z2 l# C+ \, [; Y
h=bar(volume_month_mean./1e6); %--volume_month_mean 为12×2的矩阵
! k2 u/ }' [8 s k9 u" ^ set(h,'BarWidth',0.9);1 ?( q9 D6 ` ^; K
hold on;
~, y: [9 `, Y) g* Z$ Z% M set(h(1),'facecolor',[139 35 35]./255) %--设置bar的颜色
) K+ O, h8 U" c g) C set(h(2),'facecolor','k')
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ngroups = size(volume_month_mean,1);
$ W" r4 E) J c( z0 V nbars = size(volume_month_mean,2); E3 d8 {) [+ S) D# b
groupwidth =min(0.8, nbars/(nbars+1.5));
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hold on;9 \, A, s0 O, S0 h! p) q
for i = 1:nbars %--画errorbar
8 A4 } E) Z1 p x = (1:ngroups) - groupwidth/2 + (2*i-1) * groupwidth / (2*nbars);$ G1 k3 V# a9 b
errorbar(x,volume_month_mean(:,i)/1e6,volume_month_std(:,i)/1e6,'o','color',[.5 .5 .5],'linewidth',2);
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; W- a2 m, V6 t" [6 o% O for n=1:12
8 w7 _7 L) n$ ?- z, E- g if n<=9
8 m# g# u9 n# l* R: [( M* n time_lab{n,1}=[&#39;0&#39; num2str(n)];& S5 J' b- X. \" f) p2 S4 O
else
! u5 i( i1 y9 N0 @ time_lab{n,1}=num2str(n);
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end$ @" ~/ r, }9 c% V$ B7 T \
set(gca,&#39;XTickLabel&#39;,time_lab,&#39;fontsize&#39;,14,&#39;linewidth&#39;,2)
/ S6 I% F, p( } ylim([-0.5 2.5])
; j0 @# v% m0 u5 o( J9 q* Q xlim([0 13])
6 {# E5 z: C3 i9 Y7 e7 C) B7 ] set(gca,&#39;ytick&#39;,-0.5:0.5:2.5)
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（2）画水平errorbar
9 {' Z9 K& |7 u: J例子：& m& K& M+ t8 A, n7 ]+ o% _6 y( S. ^; J
close all;figure;
9 `) q$ A; W* U. u h=bar(volume_mean./1e6); %--volume_mean是4*2的矩阵$ k/ U; S! z6 ~6 z. l- }
set(h,&#39;BarWidth&#39;,0.9);
" _ i4 v# L- N; `8 V0 u7 f5 J hold on;
; j& n5 v; L. W \% o, y5 V: B set(h(1),&#39;facecolor&#39;,[139 35 35]./255)8 a; u7 y2 W" D7 B* c
set(h(2),&#39;facecolor&#39;,&#39;k&#39;)
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ngroups = size(volume_mean,1);! B/ {! z/ |' {
nbars = size(volume_mean,2);% Z4 K; g( `. F3 Y
groupwidth =min(0.8, nbars/(nbars+1.5));
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, @8 ?/ ?1 F7 X1 f! V) j h hold on;' F0 X# J" H* X" s; R8 x
for i = 1:nbars' M* V/ R6 {; y2 n! t
x = (1:ngroups) - groupwidth/2 + (2*i-1) * groupwidth / (2*nbars);
& W7 L$ t; x2 }9 |2 b) o2 O errorbar(x,volume_mean(:,i)/1e6,volume_std(:,i)/1e6,&#39;o&#39;,&#39;color&#39;,[.5 .5 .5],&#39;linewidth&#39;,2);" `/ O) T2 f D4 k: j& [ |
end& s5 x: T- }3 S i% Y/ o0 ^6 Z
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view(-90,90)
% _5 Z( i P/ {) k; C8 V* z% I! V 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)
+ u1 y# r8 W- i% r- u ylim([-0.5 2.5])
) H% ]; o& ?/ s1 C: c* d0 G+ F/ a* | set(gca,&#39;ytick&#39;,-0.5:0.5:2.5): x) y2 W; c% p7 N+ q
ye_xylabel(gca,&#39; &#39;,&#39;Volume[Sv]&#39;)
; b/ _: s9 c5 J3 ~1 J legend(&#39;A&#39;,&#39;B&#39;,&#39;location&#39;,&#39;NorthEast&#39;)
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