Getting an empty plot

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sid101
sid101 2019-11-11
评论： sid101 2019-11-11
Hi, I have a variable x that varies from 5.62 to 31.62 and then a formula to calculate p as a function of x. When I try to plot x versus p, I get no errors but an empty plot
I would appreciate if someone can point me in the right direction. Below is the code:
clear;
x = linspace(5.62,31.62);
p = -10*log10((1+ (31.5844 * (x.^2)) + (11.24*x*cos(pi)))/ (32.5844*(1 + (x.^2))));
figure
plot(pl,x)
Thanks

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Shubham Gupta
Shubham Gupta 2019-11-11
Try:
clear;
x = linspace(5.62,31.62);
p = -10*log10((1+ (31.5844 * (x.^2)) + (11.24*x*cos(pi)))./ (32.5844*(1 + (x.^2)))); % "./" instead of "/"
figure
plot(p,x) % p instead of pl

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