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Question: Find the width of a plot

Question:Find the width of a plot

john9ab 0 Maple 9
gaussian
March 28 2011
0

Hi all,

Is there some way i can find the width of a plot?

I have the equation below:

Prob:=(w,T)->(B^2)*(sin(w*(T/2))^2)/((w/2)^2);

 B^2*sin(1/2*w*T)^2/w^2

plot(Prob(w,6),wf=-3..3);

Which produces a gaussian looking plot, the plot reaches zero at some point on the x-axis on either side of the origin. My question is: Is there some code in maple i can use to tell me exactly where this point is? or some way of getting it from the above equation?

 

Thanks!

 

 

 

 
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