NDSolve::bdstep NDSolveValue::bdstep ParametricNDSolve::bdstep ParametricNDSolveValue::bdstep

Details

This message is generated when the result from the Step function for a user-defined method does not have an expected form.
Off[message] switches off the message; On[message] switches it on. For example: Off[NDSolve::bdstep].

Examples

An error occurs because the definition for Step that is provided for the user-defined method does not return an expected result:

Wolfram Language code: MyMethod[]["Step"[___]] := 0

Wolfram Language code: NDSolve[{x'[t] == x[t], x[0] == 1}, x, {t, 0, 1}, Method -> MyMethod]

Clear MyMethod:

Wolfram Language code: Clear[MyMethod]

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