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Jul
18
revised General solution of $C_{n+2}(x)=xC_n(x)+nC_{n-1}(x)$
added 19 characters in body
Jul
18
revised General solution of $C_{n+2}(x)=xC_n(x)+nC_{n-1}(x)$
added 1356 characters in body
Jul
18
comment General solution of $C_{n+2}(x)=xC_n(x)+nC_{n-1}(x)$
@MattGroff :I did not understand how you got that differential equation. Please more detail.And also Where is variable $n$ in your diff equation? Thanks for your answer
Jul
17
revised General solution of $C_{n+2}(x)=xC_n(x)+nC_{n-1}(x)$
added 92 characters in body
Jul
17
revised General solution of $C_{n+2}(x)=xC_n(x)+nC_{n-1}(x)$
added 92 characters in body
Jul
17
revised General solution of $C_{n+2}(x)=xC_n(x)+nC_{n-1}(x)$
added 26 characters in body
Jul
17
asked General solution of $C_{n+2}(x)=xC_n(x)+nC_{n-1}(x)$
Jul
15
revised Approximated solution to differential equation in the form $f(u)u'^2+(u-u_0)^2=k$
added 25 characters in body
Jul
15
answered Approximated solution to differential equation in the form $f(u)u'^2+(u-u_0)^2=k$
Jul
15
comment Nth derivative of $\tan^m x$
@J.M.: I checked the other question but I am looking for $tan^m(x)$ and related polinomials. Really it is not duplicate. Thanks for the link.
Jul
15
comment Nth derivative of $\tan^m x$
@MhenniBenghorbal: I read that part. you gave example till $m=5$ I could not reach general formula for $\tan^m(x)$. How to find the patern for general formula. It also looks problem to find coeffiency of Psi function for general formula. Thanks for advice.
Jul
15
revised Calculating $\frac{\partial^{1/2}}{\partial x^{1/2}}\left( e^{-\alpha x^2 + \beta x} \right) $
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Jul
15
awarded  Citizen Patrol
Jul
14
comment Nth derivative of $\tan^m x$
Your thesis on Fractional Derivatives and Integrals are very useful , really good reference. Everything is very clear. There is example for nth derivative of $tan x$ in page 109. What about nth derivative of $tan^m x$. how can it be found? Thanks a lot for sharing and answer.
Jul
14
comment Nth derivative of $\tan^m x$
looks Very nice result. Could you please give me clue how you got that result. thanks a lot for answer and advice.
Jul
14
answered Calculating $\frac{\partial^{1/2}}{\partial x^{1/2}}\left( e^{-\alpha x^2 + \beta x} \right) $
Jul
13
comment Nth derivative of $\tan^m x$
:It is very clear. Thank you for your kindness
Jul
13
comment Nth derivative of $\tan^m x$
Your answer is ok. I understood what you mean in your answer. The generator is an application of Taylor's formula. Thanks
Jul
13
revised Nth derivative of $\tan^m x$
added 9 characters in body
Jul
13
comment Nth derivative of $\tan^m x$
Very good operator. Great (+1). $\rm {\it e}^{\ zD} f(x) = f(x\!+\!z)\:$ : Does not it come from taylor series expansion? If you put the proof in your answer to inform reader, it could be perfect. It is just idea. Thanks a lot for answer and advice.