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Define number based on a list
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Hi,
I am trying to define a number based on the numbers from a list. I have tried different options but I'm pretty stuck.
l1={3,5,9} should be defined as n1=359
l1={1,4,3,9,2} should be n1=14392
and so on...
Any ideas? :)
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Sum(Sequence(l1(k) 10^(Length(l1)  k), k, 1, Length(l1)))
Sum(Sequence(l1(k) 10^(Length(l1)  k), k, 1, Length(l1)))
It's perfect mathmagic. Thank you so much!
I have the opposite problem. I´d like to put a number into a list as shown below:
p=1110110 into q={1,1,1,0,1,1,0}
Any ideas?
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