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Classe « ode »

Méthode scipy.integrate.ode.get_return_code

Signature de la méthode get_return_code

def get_return_code(self) 

Description

help(ode.get_return_code)

Extracts the return code for the integration to enable better control
if the integration fails.

In general, a return code > 0 implies success, while a return code < 0
implies failure.

Notes
-----
This section describes possible return codes and their meaning, for available
integrators that can be selected by `set_integrator` method.

"vode"

===========  =======
Return Code  Message
===========  =======
2            Integration successful.
-1           Excess work done on this call. (Perhaps wrong MF.)
-2           Excess accuracy requested. (Tolerances too small.)
-3           Illegal input detected. (See printed message.)
-4           Repeated error test failures. (Check all input.)
-5           Repeated convergence failures. (Perhaps bad Jacobian
             supplied or wrong choice of MF or tolerances.)
-6           Error weight became zero during problem. (Solution
             component i vanished, and ATOL or ATOL(i) = 0.)
===========  =======

"zvode"

===========  =======
Return Code  Message
===========  =======
2            Integration successful.
-1           Excess work done on this call. (Perhaps wrong MF.)
-2           Excess accuracy requested. (Tolerances too small.)
-3           Illegal input detected. (See printed message.)
-4           Repeated error test failures. (Check all input.)
-5           Repeated convergence failures. (Perhaps bad Jacobian
             supplied or wrong choice of MF or tolerances.)
-6           Error weight became zero during problem. (Solution
             component i vanished, and ATOL or ATOL(i) = 0.)
===========  =======

"dopri5"

===========  =======
Return Code  Message
===========  =======
1            Integration successful.
2            Integration successful (interrupted by solout).
-1           Input is not consistent.
-2           Larger nsteps is needed.
-3           Step size becomes too small.
-4           Problem is probably stiff (interrupted).
===========  =======

"dop853"

===========  =======
Return Code  Message
===========  =======
1            Integration successful.
2            Integration successful (interrupted by solout).
-1           Input is not consistent.
-2           Larger nsteps is needed.
-3           Step size becomes too small.
-4           Problem is probably stiff (interrupted).
===========  =======

"lsoda"

===========  =======
Return Code  Message
===========  =======
2            Integration successful.
-1           Excess work done on this call (perhaps wrong Dfun type).
-2           Excess accuracy requested (tolerances too small).
-3           Illegal input detected (internal error).
-4           Repeated error test failures (internal error).
-5           Repeated convergence failures (perhaps bad Jacobian or tolerances).
-6           Error weight became zero during problem.
-7           Internal workspace insufficient to finish (internal error).
===========  =======

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