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#!/bin/bash
# Process tree memory peak monitor (samples at 10 Hz) for a given command.
# Works on Linux (uses PSS) and macOS (uses RSS)
#
# Usage:
#  ./memory_pressure.sh /path/to/executable [arguments...]
#
# Alternative:
# for Linux only, one could use Cgroups v2 to track memory usage of the process tree

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.buildtool/
bin/
lib/

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# /// script
# requires-python = ">=3.10"
# dependencies = [
#     "gemini3d",
#     "numpy",
#     "matplotlib",
#     "xarray",
# ]
# ///
"""

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Windows .exe CPU arch detection and DLL import list

Use LIEF with Python for introspection of executable files.

Print Windows DLL imports

python print_imports.py $Env:WINDIR/System32/notepad.exe

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dir "%CMPLR_ROOT%\bin\*.exe" /b /a-d

aocl-ioc64.exe
deftofd.exe
dpcpp-cl.exe
dpcpp.exe
fpp.exe

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E-CHAIM altitude profile MATLAB

E-CHAIM ionospheric model is available for C, IDL, and Matlab. We will describe the Matlab version only here.

This example is for E-CHAIM Matlab release 4.3.2. Free registration is required to download the E-CHAIM Zip archive. Extract this archive from Matlab:

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YouTube channel download using yt-dlp from Python

Just a simple script to store useful yt-dlp options. Like what one would do with a Bash script, but platform-agnostic.

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Check outbound port connectivity using portquiz.net and Python

Demonstrates use of concurrent.futures.ThreadPoolExecutor and asyncio.Semaphore in separate examples to check outbound port connectivity.

In both examples, the maximum number of concurrent connections is limited to 5 (user option). This examples shows that Asyncio using

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%amsnr: SNR in AM systems
%
%This code contains functions to generate a message signal, amplitude
%modulate a carrier and detect the message using envelope detection. 
%
%Homework: Write code to perform SNR analysis as discussed in homework
%5. Additional information is available in the comments below.
%
% Last modified: 2009-April-07
%

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function aud = SSBdemod(modeDemod, fc)

%k = [55e3 65e3]; %sample range to use
k = [1 .2e6-1];


figure(1)
hT = subplot(3,1,1);
hD = subplot(3,1,2);
hF = subplot(3,1,3);