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2003 Nov 26
5
door phone
Hi,
Anyone know anything about Asterisk's support for door phones? Receiving
the call from the door intercom system, opening the door, etc?
Any hardware recommendations? I understand that the equipment we have
now is Panasonic proprietary and came with the currently deployed
Panasonic TD12-32 pbx.
We intend to deploy Asterisk in a 72 extensions + 16 trunks in a while,
so any info will be great.
thanks
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2010 Jul 19
1
Calculation of Covariance Matrix Calculation
...;- cbind(a1,a2,a3,a4)
> acomb
a1 a2 a3 a4
[1,] 1 3 5 7
[2,] 2 4 6 8
> ccov(acomb)
Error in solve.default(cov, ...) :
Lapack routine dgesv: system is exactly singular
Yesterday, I used cov(), my function worked well. But today I ran the same
code, it returned an error like:
cov(td12)
Error in solve.default(cov, ...) :
system is computationally singular: reciprocal condition number =
1.97276e-24
In addition: Warning message:
'cov' is deprecated.
Use 'ccov' instead.
See help("Deprecated")
I don't know what is wrong, and I appreciate you kind help! T...