A200501 Decimal expansion of least x>0 satisfying 2*x^2-3*x+3=tan(x).
1, 1, 4, 0, 7, 9, 4, 8, 9, 4, 5, 9, 0, 9, 1, 3, 3, 2, 8, 2, 5, 3, 3, 5, 3, 8, 0, 8, 0, 7, 1, 8, 8, 8, 3, 7, 1, 1, 4, 6, 5, 8, 3, 4, 0, 8, 2, 8, 7, 3, 5, 6, 7, 5, 7, 4, 8, 3, 4, 3, 0, 2, 5, 1, 0, 2, 7, 3, 9, 7, 7, 2, 7, 3, 2, 3, 2, 6, 8, 1, 0, 0, 5, 6, 5, 9, 4, 1, 6, 8, 0, 7, 2, 2, 1, 8, 2, 3, 8
Offset: 1
Examples
x=1.14079489459091332825335380807188837114658...
Crossrefs
Cf. A200338.
Programs
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Mathematica
a = 2; b = -3; c = 3; f[x_] := a*x^2 + b*x + c; g[x_] := Tan[x] Plot[{f[x], g[x]}, {x, -.1, Pi/2}, {AxesOrigin -> {0, 0}}] r = x /. FindRoot[f[x] == g[x], {x, 1.1, 1.2}, WorkingPrecision -> 110] RealDigits[r] (* A200501 *)
Comments