Created
September 23, 2020 04:53
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def f2(n) | |
return n.odd? ? (n * 3 + 1) / 2 : n / 2 | |
end | |
def adj(x, m, n, s2, p2, p, x3) | |
s2.replace(p[0...x] + (x3 % 2).to_s) | |
m = (s2[x, 1] == p[x, 1]) | |
n = p2.reverse.to_i(2) | |
p2[x, 1] = m ? '11' : '01' | |
return m, n, x3 | |
end | |
def terras121(p) | |
p2 = ['01', '11'][p[0, 1].to_i] | |
n = 1 | |
n3 = 0 | |
m = p2 == '11' | |
x3 = (p2.reverse.to_i(2)) >> 1 | |
(1...p.length).each \ | |
{ | |
|x| | |
if (!m) | |
ns = n.to_s(2) | |
ns[0, 1] = '' | |
m1 = x3 - 3**n3 | |
n1 = f2(m1) | |
end | |
n3 = p[0...x].split('').select { |z| z == '1' }.size | |
s2 = '' | |
m, n, x3 = adj(x, m, n, s2, p2, p, m ? (f2(x3) + 3**n3) : (n1 + 3**n3)) | |
} | |
n = p2.reverse.to_i(2) | |
return n | |
end | |
def len(ns, p) | |
l = ns.split(p) | |
l = [] if (l.nil?) | |
l.shift if (l[0] == '') | |
return l.map { |x| x.length } | |
end | |
def len1(ns) | |
return len(ns, /0+/) | |
end | |
def len0(ns) | |
return len(ns, /1+/) | |
end | |
def len01(ns) | |
return len1(ns), len0(ns) | |
end | |
def e(ns) | |
return len01(ns).flatten.size.to_f / ns.length | |
end | |
def d(s) | |
c = s.split('').select { |x| x == '1' }.size | |
d = c.to_f / s.length | |
return d | |
end | |
def outd(f, l) | |
f.puts('$dat << eof') | |
k = l[0].keys | |
f.puts(k.join("\t")) | |
l.each { |x| f.puts(x.values.join("\t")) } | |
f.puts('eof') | |
return k | |
end | |
def outa(f, l, a = {}, t = '') | |
k = outd(f, l) | |
f.puts("set colors classic; set key top left opaque; set title '#{t}'; ") | |
f.puts("set ytics nomirror; set y2tics;") | |
f.puts("plot \\") | |
k, ct = [k - ['t'], "(column('t')):"] if (k.member?('t')) | |
k.each \ | |
{ | |
|x| | |
next if (a.member?(x) && a[x].nil?) | |
opt = a.fetch(x, '') | |
opt += ' lw 2 ' if (!opt.include?('lw')) | |
opt += ' with line ' if (!opt.include?('with') && !opt.include?('pt')) | |
f.puts("'$dat' using #{ct}(column('#{x}')) #{opt} title '#{x}',\\") | |
} | |
f.puts | |
# f.puts("reset; pause -1;") | |
end | |
def outafn(l, fn = nil, t = '', a = {}) | |
outa(f = File.open(fn.nil? ? 'gnuplot.cmd' : fn, 'w'), l, a, t) | |
f.close | |
$stderr.puts([t, fn].inspect) | |
end | |
def dense(w, d) | |
w2 = w - 1 | |
a = (0...w2).to_a | |
s = '0' * w2 | |
(1..(d * w - 1)).map { a.delete_at(rand(a.size)) }.each { |x| s[x, 1] = '1' } | |
return ('1' + s) | |
end | |
def sum(l) | |
return l.inject { |t, x| t + x } | |
end | |
def avg(l) | |
return l.empty? ? 0 : sum(l).to_f / l.size | |
end | |
def avgs(l) | |
ks = l[0][0].keys | |
l1 = [] | |
l[0].size.times \ | |
{ | |
|i| | |
l1[i] = Hash[[ks, ks.map { |k| avg(l.map { |x| x[i][k] }) }].transpose] | |
} | |
return l1 | |
end | |
def dataset(d1) | |
p = dense(100, d1) | |
n = n3 = terras121(p) | |
l = [] | |
100.times \ | |
{ | |
|j| | |
ns3 = n3.to_s(2) | |
d3 = d(ns3) | |
e3 = e(ns3) | |
ns = n.to_s(2) | |
d = d(ns) | |
e = e(ns) | |
l << {'d' => d, 'e' => e, 'd3' => d3, 'e3' => e3} | |
n = f2(n) | |
n3 *= 3 | |
} | |
return l | |
end | |
[0.65, 0.75, 0.85, 0.95].each_with_index \ | |
{ | |
|d, i| | |
outafn(avgs((1..400).map { dataset(d) }), "gnuplot#{i + 1}.cmd", "d=#{d}") | |
} | |
|
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