Engel expansion: Difference between revisions

m
→‎{{header|Julia}}: add number of components to output
m (→‎{{header|Julia}}: add number of components to output)
Line 106:
println("\nNumber: $s")
eng = toEngel(r)
println("Engel expansion: ", biginput ? eng[1:min(length(s), 30)] : Int64.(eng), " ($(length(eng)) components)")
r2 = fromEngel(eng)
println("Back to rational: ", biginput ? BigFloat(r2) : Float64(r2))
Line 126:
<pre>
Number: 3.14159265358979
Engel expansion: [1, 1, 1, 8, 8, 17, 19, 300, 1991, 2768, 4442, 4830, 10560, 37132, 107315, 244141, 651042, 1953125] (18 components)
Back to rational: 3.14159265358979
 
Number: 2.71828182845904
Engel expansion: [1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 82, 144, 321, 2289, 9041, 21083, 474060, 887785, 976563, 1953125] (27 components)
Back to rational: 2.71828182845904
 
Number: 1.414213562373095
Engel expansion: [1, 3, 5, 5, 16, 18, 78, 102, 120, 144, 260, 968, 18531, 46065, 63005, 65105, 78125] (17 components)
Back to rational: 1.414213562373095
 
Number: 7.59375
Engel expansion: [1, 1, 1, 1, 1, 1, 1, 2, 6, 8] (10 components)
Back to rational: 7.59375
 
Number: 3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679821480865132823066470938446095505822317253594081284811174502841027019385211
Engel expansion: BigInt[1, 1, 1, 8, 8, 17, 19, 300, 1991, 2492, 7236, 10586, 34588, 63403, 70637, 1236467, 5417668, 5515697, 5633167, 7458122, 9637848, 9805775, 41840855, 58408380, 213130873, 424342175, 2366457522, 4109464489, 21846713216, 27803071890] (231 components)
Back to rational: 3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679821480865132823066470938446095505822317253594081284811174502841027019385211000000000000000000000000000000000001
 
Number: 2.71828182845904523536028747135266249775724709369995957496696762772407663035354759457138217852516642743
Engel expansion: BigInt[1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29] (150 components)
Back to rational: 2.7182818284590452353602874713526624977572470936999595749669676277240766303535475945713821785251664274300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003
 
Number: 1.4142135623730950488016887242096980785696718753769480731766797379907324784621070388503875343276415727350138462309122970249248360558507372126441214970999358314132226659275055927558
Engel expansion: BigInt[1, 3, 5, 5, 16, 18, 78, 102, 120, 144, 251, 363, 1402, 31169, 88630, 184655, 259252, 298770, 4196070, 38538874, 616984563, 1975413035, 5345718057, 27843871197, 54516286513, 334398528974, 445879679626, 495957494386, 2450869042061, 2629541150527] (185 components)
Back to rational: 1.4142135623730950488016887242096980785696718753769480731766797379907324784621070388503875343276415727350138462309122970249248360558507372126441214970999358314132226659275055927558000000000000000000000000000000001
 
Number: 25.628906
Engel expansion: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 4, 33, 33, 35, 58, 62, 521, 3125] (34 components)
Back to rational: 25.628906
</pre>
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