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|Re: RhoError class in pandaroot [message #16768 is a reply to message #16767]
||Tue, 03 June 2014 13:12
Elisabetta Prencipe (2)
Registered: February 2013
thank you for your reply. So you confirm that for additional (basic) kimenatic variables nothing is already implemented. Then, I will do myself. no problem!
So, instead of Cov7(), you suggest the use of P4Cov(), where:
cov0] is the variance for px
cov is the variance for py
cov is the variance for pz
cov is the variance for E
Actually I checked, and I found that if I use Cov7(), and I evaluate cov, cov, cov and cov,
if I use P4Cov(), as you suggested, to evaluate the variance of px,py,pz,E respectively, as indicated in my previous posting, results are identical, as expected. This is the output for the px variance, if I run in my macro Cov7(3,3) left side, or P4Cov(0,0) right side.
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