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November 7th, 2015, 12:06 PM   #1
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Hi all,

Please can someone help me understand the brackets in the formulas I have attached?
I am assuming that they some other meaning than conventional rounded brackets.

Thanks
Martin
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Last edited by skipjack; November 12th, 2015 at 02:11 AM.

November 7th, 2015, 12:11 PM   #2
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Quote:
 Originally Posted by BBGEmartin Hi all, Please can someone help me understand the brackets in the formulas I have attached. I am assuming that they some other meaning than conventional rounded brackets. Any info gratefully received. Thanks Martin
As far as I know, they operate just the same as the usual ( ).

-Dan

Last edited by skipjack; November 9th, 2015 at 03:26 AM.

 November 9th, 2015, 01:24 AM #3 Senior Member   Joined: Apr 2014 From: Glasgow Posts: 2,157 Thanks: 732 Math Focus: Physics, mathematical modelling, numerical and computational solutions Yep, I think the choice of using triangular brackets in this case was either i) a mistake or ii) the writer doesn't know (or care) that triangular brackets have been used for other things (like the mean in statistics, bra-ket notation, etc.)

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