Please how to give different color for each plot for this case

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x = [-2:0.1:2];
a = [.5, 1, 1.3, 1.95];
figure;
for i=1:length(a)
z = x.*(a(i)-x.^2);
plot(x,z);hold on;
end

Answers (1)

Dyuman Joshi
Dyuman Joshi on 9 Aug 2022
One way is to use rand. Colors here will be choosen randomly
x = [-2:0.1:2];
a = [.5, 1, 1.3, 1.95];
figure;
for i=1:length(a)
z = x.*(a(i)-x.^2);
plot(x,z,'Color', rand(1,3))
hold on;
end
Another way is to use binary vectors -
%this works here as we only 4 graphs to plot
%there are only 8 binary triplets available
x = [-2:0.1:2];
a = [.5, 1, 1.3, 1.95];
figure;
for i=1:length(a)
z = x.*(a(i)-x.^2);
plot(x,z,'Color', dec2bin(i,3)-'0')
hold on;
end
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