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Jul18-09, 02:30 AM
P: 599
Quote Quote by Hepth View Post
try again, the N method is correct.

In[30]:= N[BesselK[1, 2]]

Out[30]= 0.139866

make sure its not misspelled.
Now it is working, but believe me, I wrote it correctly, and the result was not produced numerically, I don't know why. Anyway, thank you Hepth very much to confirm the N[] numerical evaluation method.