Created
January 20, 2020 23:35
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def f2(n) | |
return n.odd? ? (n * 3 + 1) / 2 : n / 2 | |
end | |
def seq(n) | |
n1 = n | |
l = [] | |
begin | |
l << n | |
n = f2(n) | |
end while (n != 1) | |
return l | |
end | |
def d(s) | |
c = s.split('').select { |x| x == '1' }.size | |
d = c.to_f / s.length | |
return d | |
end | |
def outa(f, l, a = {}, c = '') | |
f.puts('$dat << eof') | |
k = l[0].keys | |
f.puts(k.join("\t")) | |
l.each { |x| f.puts(x.values.join("\t")) } | |
f.puts('eof') | |
f.puts("set colors classic; set key top left opaque; ") | |
f.puts("set ytics nomirror; set y2tics;") | |
f.puts("plot \\") | |
k.each \ | |
{ | |
|x| | |
next if (a.member?(x) && a[x].nil?) | |
f.puts("'$dat' using #{c}(column('#{x}')) with line #{a.fetch(x, '')} lw 2 title '#{x}',\\") | |
} | |
f.puts | |
# f.puts("reset; pause -1;") | |
end | |
def msbs(n3, ns) | |
i = 0 | |
i += 1 while (n3[i, 1] == ns[i, 1] && i < n3.length && i < ns.length) | |
return i | |
end | |
l = File.open('db.txt').readlines.map { |x| Kernel.eval(x) } | |
ks = l.map { |x| x['k'] }.uniq | |
p(ks) | |
ks.sort_by! { |k| l.select { |x| x['k'] == k }.map { |x| x['cg'] }.max } | |
p(ks) | |
l2 = [] | |
x1 = 0 | |
ks.reverse.each \ | |
{ | |
|k| | |
x = l.select { |x| x['k'] == k }.max_by { |x| x['cg'] } | |
$stderr.puts(x) | |
next if (x['cg'] < 20) | |
n = x['n'] | |
l1 = seq(n).map { |x| x.to_s(2) } | |
nw1 = l1[0].length | |
cg2 = l1.index { |x| x.length < nw1 } | |
jg = jb = j = 0 | |
l1[0...cg2].each_with_index \ | |
{ | |
|ns, i| | |
dg = d(ns[nw1..-1]) | |
db = d(ns[0...nw1]) | |
d = d(ns) | |
nso = (ns[-1, 1] == '1') | |
jg += ((dg >= 0.5) == nso) ? 1 : 0 | |
jb += ((db >= 0.5) == nso) ? 1 : 0 | |
j += ((d >= 0.5) == nso) ? 1 : 0 | |
l2 << {'x1' => x1, | |
'nwg' => ns.length - nw1, | |
'rg' => jg.to_f / (i + 1), | |
'rb' => jb.to_f / (i + 1), | |
'r' => j.to_f / (i + 1) | |
} | |
x1 += 1 | |
} | |
x1 += 200 | |
l2 << {} | |
} | |
outa(File.open('gnuplot.cmd', 'w'), l2, | |
{'x1' => nil, | |
'nwg' => 'axes x1y2' | |
}, | |
"(column('x1')):") | |
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