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A202283 Decimal expansion of x>0 satisfying x*cosh(2x)=2. 2
7, 9, 0, 1, 5, 0, 2, 6, 1, 3, 9, 4, 7, 1, 6, 4, 3, 9, 1, 6, 1, 7, 6, 8, 8, 4, 8, 5, 4, 4, 2, 2, 1, 7, 1, 2, 3, 9, 6, 1, 8, 8, 5, 2, 2, 0, 4, 0, 4, 8, 4, 8, 7, 0, 8, 0, 0, 3, 7, 3, 8, 9, 0, 7, 8, 5, 9, 1, 6, 4, 9, 4, 6, 9, 3, 5, 4, 1, 5, 5, 5, 2, 7, 6, 3, 4, 4, 8, 3, 0, 7, 1, 6, 3, 0, 8, 1, 2, 3 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
0,1
COMMENTS
See A201939 for a guide to related sequences. The Mathematica program includes a graph.
LINKS
EXAMPLE
x=0.79015026139471643916176884854422171239618...
MATHEMATICA
u = 2; v = 2;
f[x_] := x*Cosh[u*x]; g[x_] := v
Plot[{f[x], g[x]}, {x, 0, 1}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, .7, .8}, WorkingPrecision -> 110]
RealDigits[r] (* A202283 *)
CROSSREFS
Cf. A201939.
Sequence in context: A360990 A328110 A298740 * A322092 A104757 A199392
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Dec 15 2011
STATUS
approved

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Last modified April 17 08:05 EDT 2024. Contains 371756 sequences. (Running on oeis4.)