Evolution of scalefactor a & time t as functions of each other

Equations: H(a)=H0·√(Ωr/a⁴+Ωm/a³+ΩΛ), t(a)=∫{0...a}[da/a/H(a)]

Ωr=0.000092136, Ωm=0.315, ΩΛ=1-Ωr-Ωm, t0=1.3842e+10, H0=67.150

Plot sequence X/Y: 1) Linear/Linear, 2) Linear/Log, 3) Log/Log

a(t)

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t(a)

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