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How can I change the line color in a graph using plot?

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Yasir Ghazi
Yasir Ghazi 2017-11-17
关闭： MATLAB Answer Bot 2021-8-20
to plot this figure
clc;
clear all;
close all;
fs = 1000;
t = 0:1/fs:0.2;
Vm = 720; % Volt
f0 = 50 ;% Hz
q = 0.5 ; % Voltage Gain
alpha = 0;
Va = Vm*q*cos(2*pi*f0*t + alpha);
Vb = Vm*(q + 0.2*q*(t == 0.1)).*cos(2*pi*f0*t + alpha);
figure,
plot(t,Va,'r',t,Vb,'b');
xlabel('Time');
ylabel('Va and Vb');
  1 个评论
Walter Roberson
Walter Roberson 2017-11-17
Your code
plot(t,Va,'r',t,Vb,'b');
already sets the color of the Va plot to be red and of the Vb plot to be blue.

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