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Re: st: Element-by-element computation in Mata

From   Tirthankar Chakravarty <>
Subject   Re: st: Element-by-element computation in Mata
Date   Tue, 11 May 2010 00:12:37 +0530

mA = runiform(10, 10)
dA = 2; dB = 3;
mB = mA:*(dA^2) :- dB

2010/5/11  <>:
> Dear Listers:
> I am trying to do an element-by-element computation in mata but am not sure if it is possible. Given a matrix Z with elements z[I,j], what I would like to do is transform the elements of Z using scalars a and b to create a new matrix W as follows:
> w[i,j]=a^2*z[i,j])-b
> How might this be done using the element-by-element colon operator in mata, if it can be done?
> Best,
> Matt Baker
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To every ω-consistent recursive class κ of formulae there correspond
recursive class signs r, such that neither v Gen r nor Neg(v Gen r)
belongs to Flg(κ) (where v is the free variable of r).

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