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lscsoft
bilby
Commits
3860e42d
Commit
3860e42d
authored
May 18, 2018
by
Gregory Ashton
1
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Remove obsolete likelihood
parent
91dec665
Pipeline
#19571
passed with stages
in 6 minutes and 14 seconds
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1
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1
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34 deletions
+0
-34
tupak/likelihood.py
tupak/likelihood.py
+0
-34
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tupak/likelihood.py
View file @
3860e42d
...
...
@@ -136,39 +136,6 @@ class GravitationalWaveTransient(object):
bounds_error
=
False
,
fill_value
=-
np
.
inf
)
class
BasicGravitationalWaveTransient
(
object
):
def
__init__
(
self
,
interferometers
,
waveform_generator
):
self
.
interferometers
=
interferometers
self
.
waveform_generator
=
waveform_generator
def
noise_log_likelihood
(
self
):
log_l
=
0
for
interferometer
in
self
.
interferometers
:
log_l
-=
2.
/
self
.
waveform_generator
.
time_duration
*
np
.
sum
(
abs
(
interferometer
.
data
)
**
2
/
interferometer
.
power_spectral_density_array
)
return
log_l
.
real
def
log_likelihood
(
self
):
log_l
=
0
waveform_polarizations
=
self
.
waveform_generator
.
frequency_domain_strain
()
if
waveform_polarizations
is
None
:
return
np
.
nan_to_num
(
-
np
.
inf
)
for
interferometer
in
self
.
interferometers
:
log_l
+=
self
.
log_likelihood_interferometer
(
waveform_polarizations
,
interferometer
)
return
log_l
.
real
def
log_likelihood_interferometer
(
self
,
waveform_polarizations
,
interferometer
):
signal_ifo
=
interferometer
.
get_detector_response
(
waveform_polarizations
,
self
.
waveform_generator
.
parameters
)
log_l
=
-
2.
/
self
.
waveform_generator
.
time_duration
*
np
.
vdot
(
interferometer
.
data
-
signal_ifo
,
(
interferometer
.
data
-
signal_ifo
)
/
interferometer
.
power_spectral_density_array
)
return
log_l
.
real
def
log_likelihood_ratio
(
self
):
return
self
.
log_likelihood
()
-
self
.
noise_log_likelihood
()
def
get_binary_black_hole_likelihood
(
interferometers
):
""" A rapper to quickly set up a likelihood for BBH parameter estimation
...
...
@@ -190,4 +157,3 @@ def get_binary_black_hole_likelihood(interferometers):
parameters
=
{
'waveform_approximant'
:
'IMRPhenomPv2'
,
'reference_frequency'
:
50
})
likelihood
=
tupak
.
likelihood
.
GravitationalWaveTransient
(
interferometers
,
waveform_generator
)
return
likelihood
Gregory Ashton
@gregory.ashton
mentioned in commit
63ed65cd
·
May 20, 2018
mentioned in commit
63ed65cd
mentioned in commit 63ed65cd302d741a2e38322812118f155edbc042
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