Re: Weibull distribution plot

Hi everyone,

I have something like 2000 samples (data recorded during 3 months) of wind speed from anemometer all saved in excel. How can I plot the distribution in MATLAB?

Answer 1

[Lavan kumar]

Hi, I know this is very late response. I just saw your question.. Sorry ;)

If you didn't solve your problem yet.. Here is the solution.. You can plot the distribution,

%%histogram and weibul

a= 8.1;                     % Scale factor
b= 3.4;                     % Shape factor
q1 = size(U);               % No of wind measurements 

[h1 x1] = hist(U,20);       % histogram with 20 bins for clear visual effect
bar(x1,h1)                       % Make a histogram plot
hold on

w1=wblpdf(U,a,b);           % Weibull
plot(U,w1*q1,'r')

[Dushyanth srimanthula]

i just want to know,

how did u give the scale and shape parameter with certain values???

[Fernando Soto]

One way to obtain c is the following:

c = 1.12u

where u is the mean velocity of your data

k = (〖s/u)〗^(-1.086)…. in which s is the standard deviation