Comments (3)
from modelingtoolkit.jl.
Here's a simpler example which should be related:
@Var a1 a2 a3 a4 a5 a6 a7 a8 a9
M = [a1 0 0
0 a5 0
0 0 a9]
I-M
simplify_constants.(inv(I-M))
Though in the actual code it's same with both simplify
true and false. This may be due to how inv
is overloading?
from modelingtoolkit.jl.
Scratch that. Simplification changes the result.
from modelingtoolkit.jl.
Related Issues (20)
- Error with `ModelingToolkit.get_unit` HOT 2
- Prevent events from mutating original problem
- Permit preset time vents with parametric times
- `structural_simplify` doesn't properly namespace "bare" io variables HOT 1
- DimensionMismatch error with matrix-based equations
- Solution interpolation gives NaN while no NaN in solution HOT 1
- Add `sampletime()` and `clock()` operators
- Bug with default value for `@structural_parameters` HOT 1
- Passing a matrix as the parameter of a model using @mtkmodel macro fails
- Parameter values can be supplied in the initial condition vector
- Error about missing parameter to `ODEProblem` reports it as a missing initial condition
- Fix broken indexing tests
- Silent and wrong derivatives of observed variables HOT 6
- Discrete-time variables not found when forming InitializationProblem
- System with only discrete-time variables being treated as continuous time
- Miss-compilation when `Hold` is applied to delayed discrete variable HOT 1
- Implicit variable erroneously required in initial condition
- Cannot use structural parameter as array size HOT 1
- `structural_simplify` uses metadata of the variables instead of what is passed into the system HOT 1
- Bug with delay in hold operator
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from modelingtoolkit.jl.