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plotting one variable equation

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priya
priya 2021-9-8
评论： priya 2021-9-8
i want to plot "w" on x- axis and "a" on y- axis. I am not getting the plot. The code used is:
for w = -600:100:-100
a=sqrt(((1200./(w.^2))+10)/((300./(w.^2))+1));
end
plot(w, a)
  2 个评论
Sajid Afaque
Sajid Afaque 2021-9-8
probably because you are overwriting a each time.
a stores last iteration value , hence you are plotting only single value of a.
store a as array, it will solve your issue

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采纳的回答

Sajid Afaque
Sajid Afaque 2021-9-8
count = 1;
for w = -600:100:-100
a(count) = sqrt((1200/w.^2)+10)/sqrt((300/w.^2)+1);
w_copy(count) = w
count = count+1;
end
figure
plot(w_copy,a)
both w and a are singilar value in your previous attempt, please use the above code it might solve your issue

更多回答（1 个）

Walter Roberson
Walter Roberson 2021-9-8
Ran in:
wvals = -600:100:-100;
numw = length(wvals);
a = zeros(1,numw);
for widx = 1 : numw
w = wvals(widx);
a(widx) = sqrt((1200/w.^2)+10)/sqrt((300/w.^2)+1);
end
plot(wvals, a)

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