Created
May 5, 2017 01:16
-
-
Save vznvzn/1e8b46a0b563bf8a631a4637559334ca to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
def f2(n, o2, e) | |
while (n.odd?) | |
n = (n * 3 + 1) / 2 | |
break if (o2) | |
end | |
while (n.even?) do | |
n /= 2 if (n.even?) | |
break if (e) | |
end | |
return n | |
end | |
def adv(x) | |
n1 = n = x['n'] | |
x['t'].times { n = f2(n, x['o2'], x['e']) } | |
return d(n.to_s(2)) | |
end | |
def ratio(x) | |
n1 = n = x['n'] | |
x['t'].times { n = f2(n, x['o2'], x['e']) } | |
return n.to_s(2).length.to_f / n1.to_s(2).length | |
end | |
def coef(x, y) | |
x1 = x2 = y1 = y2 = xy = 0.0 | |
n = x.size | |
n.times \ | |
{ | |
|i| | |
x1 += x[i] | |
y1 += y[i] | |
xy += x[i] * y[i] | |
x2 += x[i] ** 2 | |
y2 += y[i] ** 2 | |
} | |
d = n * x2 - x1 ** 2 | |
b = (y1 * x2 - x1 * xy) / d | |
m = (n * xy - x1 * y1) / d | |
b = 1 if (b.nan?) | |
m = 1 if (m.nan?) | |
return b, m | |
end | |
def sum(l) | |
t = 0.0 | |
l.each { |x| t += x } | |
return t | |
end | |
def av(l) | |
return nil if (l.empty?) | |
return sum(l) / l.size | |
end | |
def corr(l, y1, yp) | |
xav = av(l.map { |x| x[y1] }) | |
yav = av(l.map { |x| x[yp] }) | |
tx = ty = txy = e = 0.0 | |
l.each \ | |
{ | |
|z| | |
x = z[y1] | |
y = z[yp] | |
txy += (x - xav) * (y - yav) | |
tx += (x - xav) ** 2 | |
ty += (y - yav) ** 2 | |
e += (x - y) ** 2 | |
} | |
r = txy / (Math.sqrt(tx) * Math.sqrt(ty)) | |
e /= l.size | |
return r | |
end | |
def dense(x) | |
w, d, o = x.values_at('w', 'd', 'o') | |
w2 = w - (o ? 2 : 1) | |
a = (0...w2).to_a | |
s = '0' * w2 | |
(1..(d * w - (o ? 2 : 1))).map { a.delete_at(rand(a.size)) }.each { |x| s[x, 1] = '1' } | |
return ('1' + s + (o ? '1' : '')).to_i(2) | |
end | |
def d(s) | |
c = s.split('').select { |x| x == '1' }.size | |
d = c.to_f / s.length | |
return d | |
end | |
def test(t, o, o2, e) | |
w = 100 | |
c = 500 | |
l = [] | |
(c + 1).times \ | |
{ | |
|i| | |
d = i.to_f / c | |
n = dense({'d' => d, 'w' => w, 'o' => o}) | |
a = {'n' => n, 'o2' => o2, 'e' => e, 't' => t} | |
d2 = adv(a) | |
r = ratio(a) | |
l << {'d' => d, 'd2' => d2, 'wr' => r} | |
} | |
return l | |
end | |
def out(fn, a) | |
return if (a.nil?) | |
f = File.open(fn, 'a') | |
f.puts(a.keys.join("\t")) if (f.size == 0) | |
f.puts(a.values.join("\t")) | |
f.close | |
end | |
def out2(fn, l, t) | |
f = File.open(fn, 'a') | |
l.each { |x| x.merge!({'t' => t}) } | |
f.puts(l[0].keys.join("\t")) if (f.size == 0) | |
l.each { |x| f.puts(x.values.join("\t")) } | |
f.puts | |
f.close | |
end | |
def fit(l, k, t) | |
b, m = coef(l.map { |x| x['d'] }, l.map { |x| x[k]}) | |
l.each { |x| x['y'] = m * x['d'] + b } | |
fn = 'out.txt' | |
fn2 = 'out1.txt' | |
if (t == 1) then | |
File.open(fn, 'w').close | |
File.open(fn2, 'w').close | |
end | |
out2(fn2, l, t) | |
r = corr(l, k, 'y') | |
a = {'t' => t, 'm' => m, 'b' => b, 'y1' => (1 - b) / m, k => r} | |
out(fn, a) | |
$stderr.puts(a.inspect) | |
end | |
def score(t, p) | |
l = test(t, *p) | |
# r1 = fit(l, 'd2') | |
r2 = fit(l, 'wr', t) | |
end | |
tf = [false, true] | |
z= (0...8).map { |x| (1..3).map { |y| tf[x.to_s(2)[-y, 1].to_i] } } | |
50.times { |t| score(t + 1, z[6]) } | |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment