在matlab上对stem函数进行个性化设置

Question

我正在matlab上写一段代码，用于绘制系统模式形状的练习。我得到的图片我认为还可以，但我希望能够改变颜色，使线条更粗。这是我的代码：

    clear all
close all 
clc
%% Assignment 3
% X Direction
% Natural Frequencies and Damping Ratios
wn_X1=354.3; d_X1=0.038;
wn_X2=467.6; d_X2=0.049;
% Damped Frequencies
wd_X1=wn_X1*sqrt(1-(d_X1)^2);
wd_X2=wn_X2*sqrt(1-(d_X2)^2);
% Residues in X direction
sX1_11=1.9890*10^-6; nuX1_11=-1.9644*10^-5;
sX2_11=1.4978*10^-5; nuX2_11=-4.4070*10^-5;
sX1_12=-4.4952*10^-6; nuX1_12=-1.2556*10^-5;
sX2_12=7.0287*10^-6; nuX2_12=-3.3470*10^-5;

alphaX11_1=2*(d_X1*wn_X1*sX1_11-wd_X1*nuX1_11);
alphaX12_1=2*(d_X1*wn_X1*sX1_12-wd_X1*nuX1_12);
alphaX11_2=2*(d_X2*wn_X2*sX2_11-wd_X2*nuX2_11);
alphaX12_2=2*(d_X2*wn_X2*sX2_12-wd_X2*nuX2_12);
betaX11_1=2*sX1_11;
betaX12_1=2*sX1_12;
betaX11_2=2*sX2_11;
betaX12_2=2*sX2_12;
% Complex modal matrix in X direction
sX1=wd_X1*1j; sX2=wd_X2*1j;
u_11=sqrt(alphaX11_1+betaX11_1*sX1);
u_21=sqrt(alphaX12_1+betaX12_1*sX1);
u_12=sqrt(alphaX11_2+betaX11_2*sX2);
u_22=sqrt(alphaX12_2+betaX12_2*sX2);
U=[u_11 u_12; u_21 u_22]
% Y Direction
% Natural Frequencies and Damping Ratios
wn_Y1=225.6; d_Y1=0.038;
wn_Y2=386.6; d_Y2=0.049;
% Damped Frequencies
wd_Y1=wn_Y1*sqrt(1-(d_Y1)^2);
wd_Y2=wn_Y2*sqrt(1-(d_Y2)^2);
% Residues in X direction
sY1_11=8.5993*10^-6; nuY1_11=-1.5280*10^-5;
sY2_11=1.4732*10^-5; nuY2_11=-4.9648*10^-5;
sY1_12=4.0081*10^-6; nuY1_12=-1.0945*10^-5;
sY2_12=4.4653*10^-6; nuY2_12=-3.3297*10^-5;

alphaY11_1=2*(d_Y1*wn_Y1*sY1_11-wd_Y1*nuY1_11);
alphaY12_1=2*(d_Y1*wn_Y1*sY1_12-wd_Y1*nuY1_12);
alphaY11_2=2*(d_Y2*wn_Y2*sY2_11-wd_Y2*nuY2_11);
alphaY12_2=2*(d_Y2*wn_Y2*sY2_12-wd_Y2*nuY2_12);
betaY11_1=2*sX1_11;
betaY12_1=2*sX1_12;
betaY11_2=2*sX2_11;
betaY12_2=2*sX2_12;
% Complex modal matrix in X direction
sY1=wd_Y1*1j; sY2=wd_Y2*1j;
v_11=sqrt(alphaY11_1+betaY11_1*sY1);
v_21=sqrt(alphaY12_1+betaY12_1*sY1);
v_12=sqrt(alphaY11_2+betaY11_2*sY2);
v_22=sqrt(alphaY12_2+betaY12_2*sY2);
V=[v_11 v_12; v_21 v_22]
% Plot mode shapes in X Direction
UU=real(U);
omegaX=[wn_X1 wn_X2];
subplot(2,1,1)
plot(UU,'--');
xlabel('Elements','FontSize',25); ylabel('Mode amplitude','FontSize',25); 
title(['Mode shapes in X direction, omega=' sprintf('%4.2f, ',omegaX)],'FontSize',25);
axis([0.5 2.5 -0.2 0.3]);
set(gca,'XTick',[1:2],'FontSize',20);
Leg=legend('Mode 1','Mode 2');
set(Leg,'FontSize',25);
hold on
stem(UU,'filled','MarkerSize',11);
hold on
% Plot mode shapes in Y Direction
VV=real(V);
omegaY=[wn_Y1 wn_Y2];
subplot(2,1,2)
plot(VV,'--');
xlabel('Elements','FontSize',25); ylabel('Mode amplitude','FontSize',25); 
title(['Mode shapes in Y direction, omega=' sprintf('%4.2f, ',omegaY)],'FontSize',25);
axis([0.5 2.5 -0.2 0.3]);
set(gca,'XTick',[1:2],'FontSize',20);
Leg=legend('Mode 1','Mode 2');
set(Leg,'FontSize',25);
hold on
stem(VV,'filled','MarkerSize',11);
hold on

代码是可运行的，我只是想让情节看起来更好一点。干杯伙计们D

Answer 1

我为每列创建了一个不同的命令，就像Geoff建议的