MATLAB: How to plot a combination of product and devision of some vectors

division of vectors

I have three (1 in 1000) vectors x, y and z. I want to plot this function x(t)y(t)/z(t) for t=1/1000,2/1000, … ,1.

I was wondering if someone could help me about it.

Thanks in advance.

Best Answer

Set up an example problem:

x=rand(1,1000);
y=rand(1,1000);
z=rand(1,1000);
t = [1:1000]/1000;
% calculate your function
f = x.*y./z;
plot(t,f)

Note that .* and ./ are elementwise multiplication and division, performing your function on each element separately and returning an array of the same size.

(note: if you have vectors x,y,z, then you can't index by fractions. But, it doesn't sound like you actually need to)

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