v9.31.0

ModelingToolkit v9.31.0

Diff since v9.30.1

Merged pull requests:

• fix: fix initialization with defaults dependent on indepvar (#2820) (@AayushSabharwal)
• add an example to IO docs (#2926) (@baggepinnen)
• fix: fix replace with array dependent parameters (#2933) (@AayushSabharwal)
• Flatten for complex (#2935) (@contradict)
• Disallow duplicate names (#2938) (@contradict)
• normalize operating point user input (#2939) (@baggepinnen)
• fix: fix vectorization of array variables with inputs (#2940) (@AayushSabharwal)
• Fix Latex tests to use new upstream equation equality aligning (#2942) (@hersle)
• Add DummyDerivativeSummary debuginfo (#2943) (@YingboMa)
• Experimental variable filtering in dummy derivative (#2944) (@YingboMa)

Closed issues:

• Cannot (re)make problems with defaults involving the independent parameter (#2799)
• Possible to create system where a parameter and variable have the same name (#2883)
• Missing whitespace in documentation equations (#2894)
• Cannot use Complex equation in @mtkmodel (#2895)
• Warning: Internal error (#2920)
• Replacing tunables of dependent parameter vector fails (#2932)