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# rsolve problems other than in documentation not getting executed.

Posted 9 years ago
 can anyone help?
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Posted 9 years ago
 Your example: In[1]:= RSolve[{(2 n + 1) a[n] == a'[n + 1] - a'[n - 1]}, a[n], n] RSolve::deqx: Supplied equations are not difference equations of the given functions. a' is usually used for the derivative of a continuous function a. Dropping the derivative mark gives, In[1]:= RSolve[{(2 n + 1) a[n] == a[n + 1] - a[n - 1]}, a[n], n] Out[1]= {{a[n] -> BesselI[1/2 + n, -1]*C[1] + BesselK[1/2 + n, 1]*C[2]}} where C[1] and C[2] depend on the initial conditions.
Posted 9 years ago
 Thank you sir.
Posted 9 years ago
 Attach an example notebook showing ones that do and ones that do not?
Posted 9 years ago
 sir,here is an attached notebook Attachments:
Posted 9 years ago
 sir, please find the attached notebook Attachments:
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