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| author | Aaron LI <aly@aaronly.me> | 2017-10-23 21:11:07 +0800 |
|---|---|---|
| committer | Aaron LI <aly@aaronly.me> | 2017-10-23 21:11:07 +0800 |
| commit | c1a561a8c05a7e59cdf3a34ac2112eed5ea7c406 (patch) | |
| tree | dc187a7b7d24f50c9d1a765b2f78be9e827bd301 /fg21sim/extragalactic/clusters/helper.py | |
| parent | 6fa552dca1ad74f39a7d1d44e55d9eb8eaa4a9b9 (diff) | |
| download | fg21sim-c1a561a8c05a7e59cdf3a34ac2112eed5ea7c406.tar.bz2 | |
clusters/halo: Use "lru_cache()", also improves some performance
Diffstat (limited to 'fg21sim/extragalactic/clusters/helper.py')
| -rw-r--r-- | fg21sim/extragalactic/clusters/helper.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fg21sim/extragalactic/clusters/helper.py b/fg21sim/extragalactic/clusters/helper.py index 86662e1..df7809d 100644 --- a/fg21sim/extragalactic/clusters/helper.py +++ b/fg21sim/extragalactic/clusters/helper.py @@ -311,7 +311,7 @@ def velocity_impact(M_main, M_sub, z=0.0): ---------- Ref.[cassano2005],Eq.(9) """ - eta_v = 4 * (1 + M_main/M_sub) ** (1/3) + eta_v = 4 * (1 + M_main/M_sub) ** 0.333333 R_vir = radius_virial(M_main, z) * AUC.kpc2cm # [cm] vi = np.sqrt(2*AC.G * (1-1/eta_v) * (M_main+M_sub)*AUC.Msun2g / R_vir) # [cm/s] |