JadenTravnik
/ backmatting.ipynb
Created
April 24, 2020 19:30
— forked from andreyryabtsev/backmatting.ipynb
BackMatting.ipynb
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| h = np.zeros(n) | |
| z = np.zeros(n) | |
| w = np.random.random(n) | |
| beta = np.random.random(n) | |
| alpha = np.exp(beta) | |
| theta = np.random.random() | |
| def autostep_tidbd_step(n, representation, S_t, S_tp1, C, gamma, w, h, z, alpha, tau, lmbda, zeta, rho, omega): | |
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| def loading_bar(i_step, _max, div=100, character='\u25A1'): | |
| if not i_step % (_max // div): | |
| print(character, end='' if i_step < ((_max // div) * div) else '\n', flush=True) | |
| for i in range(200): | |
| loading_bar(i, 200) |
JadenTravnik
/ calc_true_return.py
Created
November 12, 2018 20:20
Calculate true return from any signal
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| import numpy as np | |
| def calculate_discounted_return_backwards(value, gamma, normalize=True): | |
| ret = np.zeros(value.shape[0]) # initialize the array we hold our values in | |
| i = value.shape[0]-1 # starting at the end, heading backwards | |
| while i >= 0: # until we reach the start of the array | |
| ret[i] += value[i] # add the | |
| try: # we surround in a try catch in case we are at the start | |
| ret[i] += (ret[i+1] * gamma) # we add the previous return with a decay | |
| except: # if there was no ret[i+1] |
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| def confusion_matrix(yt, yp, nc): | |
| """ | |
| Returns a confusion matrix in the same format as sklearn.metrics.confustion_matrix | |
| :param yt: list of true labels | |
| :param yp: list of predictions | |
| :param nc: number of classes | |
| """ | |
| return [[sum(v == (j, i) for v in zip(yp, yt)) for j in range(nc)] for i in range(nc)] |
JadenTravnik
/ EmailLogger.py
Last active
June 28, 2018 19:02
Simple email logger for long python processes and commandline interface
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| from email.mime.text import MIMEText | |
| from getpass import getpass | |
| import smtplib | |
| import argparse | |
| class EmailLogger: | |
| def __init__(self, subject, sender, receivers): | |
| """ | |
| Creates an EmailLogger object which can email messages from the sender to the reciever using gmail |
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| git for-each-ref --sort=committerdate refs/heads/ --format='%(HEAD) %(color:yellow)%(refname:short)%(color:reset) - %(color:red)%(objectname:short)%(color:reset) - %(contents:subject) - %(authorname) (%(color:green)%(committerdate:relative)%(color:reset))' |
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| import random | |
| get_colors = lambda n: list(map(lambda i: "#" + "%06x" % random.randint(0, 0xFFFFFF),range(n))) | |
| winter = lambda n: [f'#00{"%02x"%(255-i)}{"%02x"%i}' for i in np.arange(1,255, 255/n, int)] | |
| #import numpy as np | |
| #get_colors = lambda n: list(map(lambda i: "#" + "%06x" % np.random.randint(0, 0xFFFFFF),range(n))) |
JadenTravnik
/ dynamicFunctions.py
Created
March 2, 2018 17:01
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| class Viking(object): | |
| def __init__(self, arg): | |
| if arg == 'add': | |
| def dynamo(self, arg): | |
| """ dynamo's a dynamic method! | |
| """ | |
| self.weight += 1 | |
| return arg + self.weight | |
| self.weight = 50 |
JadenTravnik
/ device_to_port.bash
Created
March 2, 2018 16:33
This utility script prints out a list associating what devices are on what ports.
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| !#/bin/bash | |
| # This utility script prints out a list associating what devices are on what ports. | |
| for sysdevpath in $(find /sys/bus/usb/devices/usb*/ -name dev); do | |
| ( | |
| syspath="${sysdevpath%/dev}" | |
| devname="$(udevadm info -q name -p $syspath)" | |
| [[ "$devname" == "bus/"* ]] && continue | |
| eval "$(udevadm info -q property --export -p $syspath)" | |
| [[ -z "$ID_SERIAL" ]] && continue | |
| echo "/dev/$devname - $ID_SERIAL" |
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