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CAS programs, order of LOCAL variables?
12-11-2016, 02:54 AM (This post was last modified: 12-11-2016 03:03 AM by Helge Gabert.)
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RE: CAS programs, order of LOCAL variables?
Also, the CAS knows the limit of the infinite sum of the above series

sum(j=1, infinity, ((-1)^(j+1))/(2*j-1)) - - pi/4 Smile

but it doesn't seem to know the limit of the related, alternating harmonic series

sum(j=1, infinity, ((-1)^(j+1))/j) - - ln(2) Sad

I wonder if the CAS employs a lookup table, or if it tries out various convergence criteria.
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RE: CAS programs, order of LOCAL variables? - Helge Gabert - 12-11-2016 02:54 AM



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