Created
January 9, 2021 05:27
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def f2(n) | |
return n.odd? ? (n * 3 + 1) / 2 : n / 2 | |
end | |
def seq(n) | |
l = [n] | |
while (n != 1) | |
n = f2(n) | |
l << n | |
end | |
return l | |
end | |
def outd(f, l) | |
f.puts('$dat << eof') | |
k = l[0].keys | |
f.puts(k.join("\t")) | |
l.each { |x| f.puts(x.values.join("\t")) } | |
f.puts('eof') | |
return k | |
end | |
def outa(f, l, a = {}, t = '') | |
k = outd(f, l) | |
f.puts("set colors classic; set title '#{t}'; ") | |
f.puts("set ytics nomirror; set y2tics;") | |
f.puts("plot \\") | |
k, ct = [k - ['t'], "(column('t')):"] if (k.member?('t')) | |
k.each \ | |
{ | |
|x| | |
next if (a.member?(x) && a[x].nil?) | |
opt = a.fetch(x, '') | |
opt += ' lw 2 ' if (!opt.include?('lw')) | |
opt += ' with line ' if (!opt.include?('with') && !opt.include?('pt')) | |
f.puts("'$dat' using #{ct}(column('#{x}')) #{opt} title '#{x}',\\") | |
} | |
f.puts | |
# f.puts("reset; pause -1;") | |
end | |
def outafn(l, a = {}, fno = nil, t = '') | |
fn = "gnuplot#{fno}.cmd" | |
outa(f = File.open(fn, 'w'), l, a, t) | |
f.close | |
$stderr.puts([fn, t, l.size].inspect) | |
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 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 d(s) | |
c = s.split('').select { |x| x == '1' }.size | |
d = c.to_f / s.length | |
return d | |
end | |
def add(a, x) | |
a[x] = a.fetch(x, 0) + 1 | |
end | |
def val(a) | |
a.fetch(1, 1).to_f / a.fetch(2, 1) | |
end | |
w = 200 | |
p = dense(w, 0.64) | |
n = terras121(p) | |
n2 = dense(w, 0.5).to_i(2) | |
a = {} | |
a2 = {} | |
a3 = {} | |
l = [] | |
[seq(n)[0...w], seq(n2)[0...w]].transpose.each \ | |
{ | |
|x, y| | |
add(a, x % 3) | |
add(a2, y % 3) | |
n3 = dense(y.to_s(2).length, d(y.to_s(2))).to_i | |
add(a3, n3 % 3) | |
l << {'x12' => val(a), 'y12' => val(a2), 'z12' => val(a3)} | |
} | |
outafn(l) | |
$stderr.puts(a) | |
$stderr.puts(a2) | |
$stderr.puts(a3) |
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