Beefy Boxes and Bandwidth Generously Provided by pair Networks
Clear questions and runnable code
get the best and fastest answer
 
PerlMonks  

Re^5: [OT] Statistics question.

by roboticus (Canon)
on Jan 30, 2013 at 23:36 UTC ( #1016178=note: print w/ replies, xml ) Need Help??


in reply to Re^4: [OT] Statistics question.
in thread [OT] Statistics question.

Bill:

I was getting ginormous values like 1.6...E30 and the like. Since I'm using exp(...) to generate them, I never have nice integers to play with, so I doubt they form perfect squares or such. But I'm not current on things like that, so I could be wrong.

...roboticus

When your only tool is a hammer, all problems look like your thumb.


Comment on Re^5: [OT] Statistics question.
Re^6: [OT] Statistics question.
by BillKSmith (Chaplain) on Jan 31, 2013 at 21:23 UTC

    It sounds like my method will not help you in this case. I have used it in solving triangles. I want $b=sqrt($c**2-$a**2). The mathematically equivalent statement $b=sqrt(($c+$a)*($c-$a)) allocates almost twice as many bits for the subtraction. Not knowing this simple trick added weeks of effort to my first real FORTRAN program.

    Bill

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://1016178]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others cooling their heels in the Monastery: (4)
As of 2014-10-25 08:09 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    For retirement, I am banking on:










    Results (142 votes), past polls