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to aid the numerical solver check the positivity of 100Δ²

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This commit is contained in:
kalmarek 2020-01-20 03:18:51 +01:00
parent f984e91dd6
commit d0c2fcdb83
2 changed files with 9 additions and 7 deletions
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9
runcomputations.jl
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@ -50,11 +50,12 @@ let GROUP = ARGS[1]
global_logger(logger)
@info "" group_name
check_propertyT(groups[GROUP], group_name,
λ = check_propertyT(groups[GROUP], group_name,
HALFRADIUS, Inf, AutomaticStructure, with_SCS(100_000, 50))
check_propertyT(groups[GROUP], group_name,
HALFRADIUS, Inf, AutomaticStructure, with_SCS(1_000_000, 0))
if λ > 1e-2 # there is still a chance to detect spectral gap
check_propertyT(groups[GROUP], group_name,
HALFRADIUS, Inf, AutomaticStructure, with_SCS(500_000, 0))
end
end
true # to keep make happy
end

7
src/utils.jl
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@ -44,8 +44,8 @@ function check_propertyT(sett::PropertyT.Settings)
@assert iszero(aug(Δ))
ELT = Δ^2;
ELT_NAME = "Δ²"
ELT = 100*(Δ^2);
ELT_NAME = "100Δ²"
λ, P = PropertyT.approximate_by_SOS(sett, ELT, Δ,
solverlog=PropertyT.filename(sett, :solverlog))
@ -59,7 +59,8 @@ function check_propertyT(sett::PropertyT.Settings)
certified_λ = PropertyT.certify_SOS_decomposition(ELT, Δ, λ, Q, R=sett.halfradius)
return PropertyT.interpret_results(sett, certified_λ)
PropertyT.interpret_results(sett, certified_λ/100)
return certified_λ/100
end
function load_basis!(RG::GroupRing, sett::PropertyT.Settings)