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Question: Trying to icombine; is too

Question:Trying to icombine; is too

vv 14257 Maple
combine icombine
December 09 2019
1
> 

combine(2^n*4, icombine);

2^(2+n)

 (1)
> 

combine(2^n*4);

4*2^n

 (2)
> 

combine(2^n/4, icombine); # BUG

Error, (in compat) invalid input: igcd received undefined, which is not valid for its 2nd argument

  
> 

combine(2^n/4);

(1/4)*2^n

 (3)
> 

combine(2^n/2^m, icombine); # BUG

Error, (in compat) invalid input: igcd received undefined, which is not valid for its 2nd argument

  
> 

combine(2^n*2^(-m), icombine);

2^(n-m)

 (4)
> 

combine(2^n/2^m);

2^(n-m)

 (5)
> 

is(2^n/4 = 2^(n-2)); # ???

false

 (6)
> 

 


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