# Enum: InitialStateMethod 




_Strategy for obtaining the starting equilibrium or periodic orbit._



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URI: [tvbo:enum/InitialStateMethod](https://w3id.org/tvbo/enum/InitialStateMethod)

## Permissible Values
| Value | Meaning | Description |
| --- | --- | --- |
| time_integration | None | Integrate the ODE forward until convergence (robust, default) |
| newton | None | Use Newton's method to find the nearest fixed point |
| given | None | Use the model's default initial values directly |
| from_branch | None | Start from a point on a previously computed branch |
| from_working_point | None | Ramp a parameter quasi-statically (warm-start / from_previous) to a target va... |
| from_experiment | None | Seed from the settled endpoint state of another already-run experiment in the... |













## Identifier and Mapping Information





### Schema Source


* from schema: https://w3id.org/tvbo






## LinkML Source

<details>
```yaml
name: InitialStateMethod
description: Strategy for obtaining the starting equilibrium or periodic orbit.
from_schema: https://w3id.org/tvbo
rank: 1000
permissible_values:
  time_integration:
    text: time_integration
    description: Integrate the ODE forward until convergence (robust, default).
  newton:
    text: newton
    description: Use Newton's method to find the nearest fixed point.
  given:
    text: given
    description: Use the model's default initial values directly.
  from_branch:
    text: from_branch
    description: Start from a point on a previously computed branch.
  from_working_point:
    text: from_working_point
    description: Ramp a parameter quasi-statically (warm-start / from_previous) to
      a target value (see InitialState.ramp) and start from the endpoint state — reach
      a working point on the solution branch before the run.
  from_experiment:
    text: from_experiment
    description: Seed from the settled endpoint state of another already-run experiment
      in the study (referenced by InitialState.source_experiment). Reuses a working
      point that experiment already reached instead of recomputing it — the cross-experiment
      counterpart of from_working_point (which recomputes the ramp inline). source_point
      selects which settled point of the source run (default 'endpoint').

```
</details>

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