SciML/ModelingToolkit.jl v9.25.0 on GitHub

ModelingToolkit v9.25.0

Merged pull requests:

Extend initialization equations (#2846) (@hersle)
Handle modelingtoolkitize for nonlinearleastsquaresproblem (#2847) (@ChrisRackauckas)
Left-to-right expand observed equations into defaults during initialization (#2861) (@hersle)
Create independent variables with @independent_variables (#2862) (@hersle)
Capture observed dependence on unknowns in simplified nonlinear systems (#2863) (@hersle)
Error missing defaults (#2864) (@hersle)
Extend metadata (#2867) (@hersle)
refactor: avoid substitute warning when not needed (#2869) (@SebastianM-C)
Add more documentation (#2871) (@hersle)
Export more functions relating to system initialization (#2872) (@hersle)
Restore error when unknowns in the initialization system don't have guesses (#2877) (@hersle)
Some repo cleanup (#2878) (@ChrisRackauckas)
Allow for setting fully_determined=true in initialization (#2879) (@ChrisRackauckas)

Closed issues:

Duplicate Global Parameters (#992)
Documentation for equations, equations, full_equations (#1822)
Some ODESystem fields such as metadata are lost when using the extend function (#2502)
Allow altering a symbolic parameter default value after creation. (#2650)
Add NonlinearLeastSquaresProblem dispatch for modelingtoolkitize (#2669)
Error when plotting multiple (not single) observable in Symbol form (#2739)
Custom independent variable leads to underdetermined initialization system (#2818)
Precompiling MTK when --depwarn=yes or --depwarn=true causes deprecation warning (#2827)
extend() does not pass on initialization equations (#2845)
testing against Julia 1.6 LTS dropped (#2854)
Subsystem not namespaced when substituted coefficient is 1 (#2855)
Cannot initialize well-defined ODE with defaults (#2859)
Helpful error for missing guesses has disappeared (#2873)