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| classes:2009:fall:phys4101.001:q_a_0928 [2009/09/28 16:01] – yk | classes:2009:fall:phys4101.001:q_a_0928 [2009/09/30 10:55] (current) – myers | ||
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| === Blackbox - 23:49 - 09/27/09 === | === Blackbox - 23:49 - 09/27/09 === | ||
| Yes, I had the same problem when I tried to calculate the expectation value in homework #1 and #3. For example, some of numerical integration can be solved by substituting " | Yes, I had the same problem when I tried to calculate the expectation value in homework #1 and #3. For example, some of numerical integration can be solved by substituting " | ||
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| + | === Esquire -10:54 09/30/09 === | ||
| + | Here is a very nice site which discusses just about everything you need to know about the properties of the error function. | ||
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| + | [[http:// | ||
| ==== Daniel Faraday 9/27 11am ==== | ==== Daniel Faraday 9/27 11am ==== | ||
| Homework Question: on the question that's on the discussion sheet about energy scales in eV, what do we use for the size of the well for the neutron in the nucleus? | Homework Question: on the question that's on the discussion sheet about energy scales in eV, what do we use for the size of the well for the neutron in the nucleus? | ||
| - | ==Schrodinger' | + | ===Schrodinger' |
| Well, I would guess the the rest mass of a neutron, but I was wondering what problem you are talking about? I didn't see this in our homework. | Well, I would guess the the rest mass of a neutron, but I was wondering what problem you are talking about? I didn't see this in our homework. | ||
| - | ==Pluto 4ever 9/27 10:31pm== | + | ===Pluto 4ever 9/27 10:31pm=== |
| If you are referring to the second half of the discussion problem then you just have to use the one half nanometer scale as it says in the problem. | If you are referring to the second half of the discussion problem then you just have to use the one half nanometer scale as it says in the problem. | ||
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| ====Hydra | ====Hydra | ||
| Can somebody show me why the gaussian wave packet has the minimum uncertainty? | Can somebody show me why the gaussian wave packet has the minimum uncertainty? | ||