（1）画竖直的errorbar1 n& _! \; q9 }* C3 w
例子：" C) m9 ]# l) B1 H
close all;figure;
. r+ ^1 V N- s h=bar(volume_month_mean./1e6); %--volume_month_mean 为12×2的矩阵3 J1 |' [* i; B
set(h,'BarWidth',0.9);8 d& I R4 I' M1 C" i
hold on;2 P, ~' P/ |8 M! A* _( x
set(h(1),'facecolor',[139 35 35]./255) %--设置bar的颜色 L) z1 w. d3 V0 ^9 \/ @" f9 V
set(h(2),'facecolor','k')
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ngroups = size(volume_month_mean,1);% ~9 w8 O( r9 f6 N! N
nbars = size(volume_month_mean,2);6 d/ {+ D: X1 b6 \% K- E+ P
groupwidth =min(0.8, nbars/(nbars+1.5));) n1 u! d2 g4 J) u5 r. `
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hold on;
* L/ T- [) t1 N0 {0 i8 }+ v. Q" p+ F1 V for i = 1:nbars %--画errorbar
3 X* a$ z: L- U% z, Y7 C ~ x = (1:ngroups) - groupwidth/2 + (2*i-1) * groupwidth / (2*nbars);5 U; w! C; _ v5 P4 y# e
errorbar(x,volume_month_mean(:,i)/1e6,volume_month_std(:,i)/1e6,'o','color',[.5 .5 .5],'linewidth',2);
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# t/ W7 I8 F$ K2 t+ I+ \5 f for n=1:12
2 \$ l% U" o. O0 _- \% o if n<=9
* R7 z0 @( s+ A9 I* i: `9 M time_lab{n,1}=[&#39;0&#39; num2str(n)];
% T V! |- M( u else
& _3 L) Y$ ~+ i5 v2 b time_lab{n,1}=num2str(n);% `& J2 F9 i& c
end& a0 H9 i0 ?0 f; K
end
! P4 t7 C% K2 z$ x! i' }set(gca,&#39;XTickLabel&#39;,time_lab,&#39;fontsize&#39;,14,&#39;linewidth&#39;,2)2 a2 \" b# ^( n
ylim([-0.5 2.5])
( L/ j( _; T* {: ~% q xlim([0 13])0 R& J t% c5 y; F+ W$ F
set(gca,&#39;ytick&#39;,-0.5:0.5:2.5)) X0 ?1 F7 [) Z
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" B6 t% d2 ]3 V8 O1 p7 f（2）画水平errorbar
8 \$ ~; X2 [3 m; i6 r/ S1 u例子：
8 Q5 |( t* j l0 b8 n8 a2 yclose all;figure;
5 R" }3 B. j. M) @ h=bar(volume_mean./1e6); %--volume_mean是4*2的矩阵
. m. P- i" X" B3 a1 X; n7 } set(h,&#39;BarWidth&#39;,0.9);: Z; u2 s1 |5 x
hold on;/ G3 S9 D- a- F" W
set(h(1),&#39;facecolor&#39;,[139 35 35]./255)+ T- s3 _+ _3 m A' U4 }
set(h(2),&#39;facecolor&#39;,&#39;k&#39;)
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ngroups = size(volume_mean,1);: {0 w7 z u0 e: H6 ^
nbars = size(volume_mean,2);
; T3 r% r) W7 X1 m# C/ ? groupwidth =min(0.8, nbars/(nbars+1.5));
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hold on;
' Y- J) t' z' x. E2 M; B1 V2 y9 h for i = 1:nbars
; P5 ]; P! Y: W. `0 Q x = (1:ngroups) - groupwidth/2 + (2*i-1) * groupwidth / (2*nbars);
) j8 h: @# j: }0 H) | errorbar(x,volume_mean(:,i)/1e6,volume_std(:,i)/1e6,&#39;o&#39;,&#39;color&#39;,[.5 .5 .5],&#39;linewidth&#39;,2);) k8 u4 ?# @) I2 Q
end: G4 z) g# E, C( @
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9 F( ~1 C7 Z9 j9 |9 C2 V view(-90,90)
. A: ^ ?& b5 m3 A 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)
& `; Y; ^7 u" _: f ylim([-0.5 2.5])& u$ o2 _% y6 }7 {. R1 W
set(gca,&#39;ytick&#39;,-0.5:0.5:2.5)# Z8 V) \0 i6 m
ye_xylabel(gca,&#39; &#39;,&#39;Volume[Sv]&#39;)" f" X- |( d0 B
legend(&#39;A&#39;,&#39;B&#39;,&#39;location&#39;,&#39;NorthEast&#39;)
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