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antonio
antonio
12:19 AM
@Gilles thanks
 
 
13 hours later…
becko
becko
1:43 PM
hi all
how to raise to a float exponent in bash?
something like 10^0.25
 
 
1 hour later…
terdon
terdon
2:50 PM
@becko don't use bash
Or: 
$ echo $((2**3))
8
But bash doesn't do floating point numbers
So, you want bc or something similar:
Hmm. Dunno how to do it in bc. Here's how in perl: 
$ perl -le 'print 10**0.25'
1.77827941003892
So, in bash: 
$ echo $(perl -le 'print 10**0.25')
1.77827941003892
Huh, looks like you need to transform it to get it to work in bc: 
$ echo "e(0.25*l(10))" | bc -l
1.77827941003892280121
 
 
1 hour later…
Faheem Mitha
Faheem Mitha
4:25 PM
@becko Use case?
 

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