lamont-granquist’s gists

lamont-granquist / simple_harmonic_oscillator.m

Created August 14, 2025 19:05

lamont-granquist / gist:b47bd1a121c718c17d98c3c993cd827c

Created August 13, 2025 01:09

	FlightCtrlState ctrlState = base.part.vessel.ctrlState;
	inputVector = new Vector3(ignorePitch ? 0f : ctrlState.pitch, ignoreRoll ? 0f : ctrlState.roll, ignoreYaw ? 0f : ctrlState.yaw);
	float num = actuatorSpeed * TimeWarp.fixedDeltaTime / ctrlSurfaceRange;
	if (!useExponentialSpeed)
	{
	rotatingControlInput.x = Mathf.MoveTowards(rotatingControlInput.x, inputVector.x, num);
	rotatingControlInput.y = Mathf.MoveTowards(rotatingControlInput.y, inputVector.y, num);
	rotatingControlInput.z = Mathf.MoveTowards(rotatingControlInput.z, inputVector.z, num);
	}
	else

lamont-granquist / gist:83f9d795746f2d003f8a33a50a143b19

Created June 3, 2024 17:36

	% rg "info item" ~/ksp/vanilla_1.12.3/KSP.log
	4407:[LOG 10:28:20.356] [MechJeb2] Registered 266 info items in 45 ms
	4413:[LOG 10:28:20.560] [MechJeb2] Registered 266 info items in 21 ms
	4492:[LOG 10:28:21.579] [MechJeb2] Registered 266 info items in 20 ms
	4494:[LOG 10:28:21.672] [MechJeb2] Registered 266 info items in 29 ms
	4496:[LOG 10:28:21.730] [MechJeb2] Registered 266 info items in 20 ms
	4499:[LOG 10:28:21.796] [MechJeb2] Registered 266 info items in 20 ms
	4506:[LOG 10:28:21.907] [MechJeb2] Registered 266 info items in 19 ms
	4511:[LOG 10:28:21.976] [MechJeb2] Registered 266 info items in 19 ms
	4514:[LOG 10:28:22.042] [MechJeb2] Registered 266 info items in 27 ms

lamont-granquist / gist:fc20bf2d7eeb871f976cd3bd05de6ec0

Created December 13, 2023 07:22

	[LOG 21:50:58.171] STARTING _SolveClosestApproach(): 286233349.766832 4479013.22558666 0 286009932.362426 290488945.588012 0.0001 50 2
	[LOG 21:50:58.172] 286009932.362426: rdv:-2696604207640.61 drdv:3003881395.80612 ddrdv:3710670.69407882
	[LOG 21:50:58.172] 286054722.494682: rdv:673023220151.284 drdv:-5332710.80037581 ddrdv:76.0199009532387
	[LOG 21:50:58.172] 286099512.626937: rdv:481343502298.516 drdv:-3614646.49437004 ddrdv:19.2976858570859
	[LOG 21:50:58.172] 286144302.759193: rdv:334347688727.041 drdv:-3019628.837964 ddrdv:9.49075302243001
	[LOG 21:50:58.172] 286189092.891449: rdv:207445772719.538 drdv:-2666383.34877059 ddrdv:6.81418105051121
	[LOG 21:50:58.172] 286233883.023705: rdv:94515535183.2774 drdv:-2381644.6914571 ddrdv:6.07463274610236
	[LOG 21:50:58.172] 286278673.155961: rdv:-6120882744.60595 drdv:-2112483.84193395 ddrdv:6.00916723758079
	[LOG 21:50:58.172] 286323463.288217: rdv:-94662181406.5353 drdv:-1839736.41628581 ddrdv:6.1922345972459
	[LOG 21:50:58.172] 286368253.420473: rdv:-170769845826.956

lamont-granquist / gist:5a7493fa89cc4f74e09a2a3aa8232285

Created September 2, 2023 01:07

	{"2022-01-01 to 2023-01-01"=>
	{"dei:CoverAbstract"=>
	{"dei:DocumentFiscalYearFocus"=>"2022",
	"dei:CurrentFiscalYearEndDate"=>"--12-31",
	"dei:EntityFileNumber"=>"0-30695",
	"dei:EntityCentralIndexKey"=>"0001113313",
	"dei:EntityTaxIdentificationNumber"=>"87-0618509",
	"dei:EntityAddressPostalZipCode"=>"84111",
	"dei:LocalPhoneNumber"=>"232-7395",
	"dei:AuditorFirmId"=>"731"},

lamont-granquist / gist:1cbc7a79d0362241b474e926a852dede

Created July 30, 2023 18:12

This file has been truncated, but you can view the full file.

	2023-07-30 11:12:58,785 [ix11.10.1.2:invalidTransformation] Fact us-gaap:NumberOfBusinessesAcquired has unrecognized transformation namespace http://www.sec.gov/inlineXBRL/transformation/2015-08-31 - ebay201710-k.htm 4536

	2023-07-30 11:12:58,787 [ix11.11.1.2:invalidTransformation] Fact us-gaap:FiniteLivedIntangibleAssetUsefulLife has unrecognized transformation namespace http://www.sec.gov/inlineXBRL/transformation/2015-08-31 - ebay201710-k.htm 4536

	2023-07-30 11:12:58,787 [ix11.11.1.2:invalidTransformation] Fact us-gaap:FiniteLivedIntangibleAssetUsefulLife has unrecognized transformation namespace http://www.sec.gov/inlineXBRL/transformation/2015-08-31 - ebay201710-k.htm 4536

	2023-07-30 11:12:58,787 [ix11.11.1.2:invalidTransformation] Fact us-gaap:FiniteLivedIntangibleAssetUsefulLife has unrecognized transformation namespace http://www.sec.gov/inlineXBRL/transformation/2015-08-31 - ebay201710-k.htm 4536

	2023-07-30 11:12:58,788 [ix11.11.1.2:invalidTransformation] Fact us-gaap:FiniteLivedIntangibleAssetUse

lamont-granquist / gist:dd4808b11d9f0ed110bdbfa57a597b50

Created July 29, 2023 22:28

	using System;

	public class QuaternionPIDController
	{
	// PID gains for each component of the quaternion
	private double Kp;
	private double Ki;
	private double Kd;

	// Integral and derivative terms for each component of the quaternion

lamont-granquist / JGDC.md

Created July 14, 2023 19:59

https://arc.aiaa.org/doi/10.2514/1.G005493 - Orbital Guidance Using Higher-Order State Transition Tensors

https://arc.aiaa.org/doi/10.2514/1.G004434 - Trajectory Design via Convex Optimization for Six-Degree-of-Freedom Asteroid Powered Landing

https://arc.aiaa.org/doi/10.2514/1.G005340 - Autonomous Navigation of Relativistic Spacecraft in Interstellar Space

https://arc.aiaa.org/doi/10.2514/1.G005376 - Convex Approach to Three-Dimensional Launch Vehicle Ascent Trajectory Optimization

https://arc.aiaa.org/doi/10.2514/1.G005503 - Three-Dimensional Path-Following Control for an Underwater Vehicle

lamont-granquist / EOM1JAC.m

Created June 13, 2023 16:33

	function dA_dt = EOM1JAC(t, A, varargin)
	global indexes

	r = A(indexes.r);
	v = A(indexes.v);
	J = reshape(A(7:42,end), 6, 6);

	r2 = dot(r,r);
	rm = sqrt(r2);
	r3 = r2 * rm;

lamont-granquist / sounders-xg

Created June 2, 2023 04:11

Lamont Granquist lamont-granquist