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docs: fix incorrect claim about NonlinearSystem in initialization tutorial #4046

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ChrisRackauckas merged 1 commit into from
Dec 8, 2025
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docs: fix incorrect claim about NonlinearSystem in initialization tutorial #4046

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4 changes: 2 additions & 2 deletions docs/src/tutorials/initialization.md
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Expand Up @@ -477,10 +477,10 @@ In comparison, if we have a well-conditioned system:

```@example init
iprob = ModelingToolkit.InitializationProblem(pend, 0.0,
[x => 1, y => 0.0, g => 1], guesses = [λ => 1])
[x => 1, D(x) => 0.0, g => 1], guesses = [λ => 1, y => 0])
```

notice that we instead obtained a NonlinearSystem. In this case we have to use
notice that we instead obtained a NonlinearProblem. In this case we can use
different solvers which can take advantage of the fact that the Jacobian is square.

```@example init
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