simonLeary42

from control.matlab import tf, bode, rlocus, nyquist
import matplotlib.pyplot as plt
import numpy as np
from scipy.interpolate import interp1d

def indices_before_sign_flip(x: np.array):
    return np.where(np.diff(np.sign(x)))[0]

def find_180deg_crossing_freq(phase, freq):
    target_phase = -1*np.pi # for some reason +pi doesn't work

simonLeary42

def bool_array_find_clusters_and_islands(bool_array):
    clusters = []
    islands = []
    cluster_start_index = None
    currently_iterating_through_cluster = False
    for i,value in enumerate(bool_array):
        value = bool(value)
        if currently_iterating_through_cluster and (value is True):
            if i == len(bool_array)-1: # if last element
                cluster_end_index = i

simonLeary42

import sympy
import readline # allow arrow keys while typing inputs

while True:
    expression = input("expression: ")
    unknowns = input("unknowns comma delimited: ")

    exec_str = f"{unknowns} = sympy.symbols(\"{unknowns}\")"
    print(f"> {exec_str}")
    exec(exec_str)

simonLeary42

def fmt_table(table, disable_column_headers=False) -> str:
    """
    I would use tabulate but I don't want nonstandard imports
    """
    table_output = ""
    # no row has more elements than the header row
    assert(all(len(row) <= len(table[0]) for row in table))
    column_widths = [ 0 ] * len(table[0])
    for row in table:
        for i,element in enumerate(row):

simonLeary42

#!/usr/bin/env python3
import os
import sys
import glob
import zipfile
import tempfile
from subprocess import check_output, CalledProcessError

assert len(sys.argv) >= 3
grep_args = ' '.join(sys.argv[1:-1])

simonLeary42

from collections import deque

def round_up(x):
    return round(x + 0.4999999)

def make_routh_table(coefs: list):
    num_columns = round_up(len(coefs)/2)+1
    num_rows = num_columns*2
    routh_table = [[0]*num_columns for x in range(num_rows)]
    i = 0 # column

simonLeary42

#!/bin/bash
# list .exe files in $1/*
# if one of those directories contains nothing but another subdirectory,
# then list .exe files in $1/dir/subdir
function fail(){
    echo $@ >&2
    exit 1
}

function list_exe(){

simonLeary42

import sys
import socket
import subprocess

LOOKUPS = [
    "unity.rc.umass.edu.",
    "ood.unity.rc.umass.edu.",
    "docs.unity.rc.umass.edu.",
]

simonLeary42

#!/usr/bin/env python3
import os
import grp
import sys
import json
import shutil
import subprocess as subp
from typing import List

SINFO_CACHE_FILE_PATH="/modules/user-resources/cache/sinfo.json"

simonLeary42

#!/bin/bash

set -eo pipefail

SETTING="mousewheel.default.delta_multiplier_y"
CONFIG_FILE_PATH="/home/simon/.mozilla/firefox/shlbuz9i.default-esr/prefs.js"
LOW="30" # comfortable with my macbook 2015 touchpad
HIGH="101" # 100 is default, firefox deletes default values from the file

firefox_found=$(pgrep -U "$(whoami)" -fx '(.*/)?firefox(-esr)?$' | uniq || true)