https://abc-kinetics.ru/ 2026-04-19T14:09:56+00:00 https://abc-kinetics.ru/ https://abc-kinetics.ru/lib/exe/fetch.php/logo.png text/html 2026-03-29T10:46:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://abc-kinetics.ru/doku.php/libnum:examples:gear?rev=1774781168&do=diff Integration of Systems of Linear Differential Equations. Gear's method Let's examine the following SLDE: y₁′ = y₂ y₂′ = y₁ y₁(0)=0 and y₂(0)=1 NB: we expect sin(x)/cos(x) as the result. #include <iostream> #include <sstream> #include <fstream> #include <math.h> #include "libnum/gear.h" #include "libnum/gear.output.h" using namespace NumericMethods; /* y₁′ = y₂ y₂′ = y₁ y₁(0)=0 and y₂(0)=1 // NB: we expect sin(x)/cos(x) as the result. */ static bool derfun(int n, double… text/html 2026-03-04T10:39:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://abc-kinetics.ru/doku.php/libnum:examples:index?rev=1772620764&do=diff Libnum: Examples of usage * gear, integration of Linear differential equations