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You are not logged in. #1 20131212 05:35:47
Wronskian use identities !Hello!!! and that each solution of the differential equation has the form:. Last edited by evinda (20131212 05:37:39) #2 20131212 08:02:05
Re: Wronskian use identities !Hi; I do not see how to use v1 and v2? In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #3 20131212 08:09:27
Re: Wronskian use identities !Hi The limit operator is just an excuse for doing something you know you can't. “It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman “Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment #4 20131212 08:15:28
Re: Wronskian use identities !I used the one in Mathematica, they should be the same thing. In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #6 20131212 08:29:21
Re: Wronskian use identities !What functions are u and v? They are not defined. In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #7 20131212 08:36:10
Re: Wronskian use identities !Well, here they are called v1 and v2 instead of u and v. Does not change much. The limit operator is just an excuse for doing something you know you can't. “It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman “Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment #8 20131212 08:38:25
Re: Wronskian use identities !What is v1 and v2? In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #9 20131212 08:39:47
Re: Wronskian use identities !They are two solutions of the differential equation for which it's true that v1/v2 is not constant. The limit operator is just an excuse for doing something you know you can't. “It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman “Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment #10 20131212 08:41:45
Re: Wronskian use identities !That would require solving the DE. Since when do you need the solve the DE to get the Wronskian? In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #13 20131212 08:51:08
Re: Wronskian use identities !When I solve the DE, I get an answer that has to arbitrary constants s1 and c2 In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #15 20131212 08:56:45
Re: Wronskian use identities !This DE, y''+ay'+by=0 In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #17 20131212 09:10:12
Re: Wronskian use identities !I am not getting that as a solution to the DE. Where is c1 and c2 in your solution? In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #18 20131212 09:11:47
Re: Wronskian use identities !Hi evinda The limit operator is just an excuse for doing something you know you can't. “It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman “Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment #19 20131212 09:12:59
Re: Wronskian use identities !Shouldn't you have use the roots rather than the discriminant? In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #20 20131212 09:13:43
Re: Wronskian use identities !
Yes,I copied the question correcty..Should I have used and instead of c_{1} and ?Last edited by evinda (20131212 09:14:50) #23 20131212 09:17:15
Re: Wronskian use identities !This is what I am getting for a solution to that DE: In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #24 20131212 09:19:15
Re: Wronskian use identities !
So is she. The limit operator is just an excuse for doing something you know you can't. “It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman “Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment 