- #1
Aikon
- 21
- 0
Ok...this must sound stupid, because i didn't found answer on the web and on my books...but i am having trouble with the infinite square well.
I want to calculate <x>.
V(x)=0 for 0<=x<=a
[itex]
<x>=\frac{2}{a}\int^{a}_{0} x \sin^2(\frac{n\pi}{a}x)dx
[/itex]
Doing integration by parts i got to:
[itex]\frac{2}{a}\left[\frac{a^2}{2n}-\int^a_0\frac{a}{2n}dx\right]=0[/itex]
What i am doing wrong?
Thank you
I want to calculate <x>.
V(x)=0 for 0<=x<=a
[itex]
<x>=\frac{2}{a}\int^{a}_{0} x \sin^2(\frac{n\pi}{a}x)dx
[/itex]
Doing integration by parts i got to:
[itex]\frac{2}{a}\left[\frac{a^2}{2n}-\int^a_0\frac{a}{2n}dx\right]=0[/itex]
What i am doing wrong?
Thank you