許容誤差
tolerance
code:jl
0.1 + 1e-10 ≈ 0.1 # true
1e-10 ≈ 0 # false
isapprox(0.1, 0.15; atol=0.05)
isapprox(0.1, 0.15; rtol=0.34)
Mathematics#Base.isapprox · The Julia Language
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