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sbos / SVM.py
Last active October 19, 2022 04:06
Simple linear SVM using quadratic programming
import numpy as np
from cvxopt import matrix, spmatrix
from cvxopt.solvers import qp
from cvxopt import solvers
class LinearSVM():
def __init__(self, C):
self.C = C
def fit(self, data, labels):
Снова учитель что-то
Пытается нам объяснять
Мне случать его неохота
Мне хочется погулять
Я после звонка наплевала
На следующий урок
Сломала окно и сьежала
Слушать тюменский панк-рок
@sbos
sbos / HMM.jl
Created November 1, 2013 11:25
Hidden Markov Model in Julia
module HMM
using Distributions
import Distributions.rand
import Distributions.fit
immutable HiddenMarkovModel{TP, K}
theta::Vector{TP}
A::Matrix{Float64}
function write_word2vec(path::AbstractString, vm::VectorModel, dict::Dictionary)
fout = open(path, "w")
sense_prob = zeros(T(vm))
write(fout, "$(V(vm)) $(T(vm)) $(M(vm))\n")
for v in 1:V(vm)
write(fout, "$(dict.id2word[v])\n")
expected_pi!(sense_prob, vm, v)
for k in 1:T(vm)
if sense_prob[k] < 1e-3 continue end
write(fout, "$k $(sense_prob[k]) ")
@sbos
sbos / gist:5859327
Created June 25, 2013 15:18
build-error.log
==> Using Homebrew-provided fortran compiler.
This may be changed by setting the FC environment variable.
==> Cloning https://github.com/JuliaLang/julia.git
git --git-dir /Library/Caches/Homebrew/julia--git/.git status -s
Updating /Library/Caches/Homebrew/julia--git
git config remote.origin.url https://github.com/JuliaLang/julia.git
git config remote.origin.fetch +refs/heads/master:refs/remotes/origin/master
git fetch origin
git checkout -f master
Already on 'master'
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import theano as th
import theano.tensor as T
import lasagne
import numpy as np
from theano.tensor.shared_randomstreams import RandomStreams
from lasagne.nonlinearities import tanh
import matplotlib.pyplot as plt
import sys
# change to True and see what happens
import cgt
import cgt.nn as nn
import numpy as np
batch = 5000
mean = 0.
for i in xrange(batch):
mean += (cgt.randn() - mean) / (i+1)
import cgt
import cgt.nn as nn
import numpy as np
from scipy.stats import norm
def gaussian_density(x, mu, sigma):
return cgt.exp(-cgt.square(x - mu) / 2 / cgt.square(sigma)) \
/ cgt.sqrt(2 * np.pi) / sigma
var_mu = nn.parameter(np.array(0.5))
import cgt
import cgt.nn as nn
import numpy as np
from scipy.stats import norm
def gaussian_density(x, mu, sigma):
return cgt.exp(-cgt.square(x - mu) / 2 / cgt.square(sigma)) \
/ cgt.sqrt(2 * np.pi) / sigma
var_mu = nn.parameter(np.array(0.5))