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[Feat] explicit and higher-order symplectic steppers #464

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[Feat] explicit and higher-order symplectic steppers #464

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3b4b735
add different order symplectic steppers
skim0119 Jan 20, 2025
3964e4e
modify butterfly case to test multiple timestepper
skim0119 Jan 20, 2025
390895c
restore explicit steppers: EulerForward and RK4
skim0119 Jan 20, 2025
3eddef6
add TODO for future improvement
skim0119 Jan 20, 2025
5f248b6
Merge branch 'update-0.3.3' into feat/stepper
skim0119 Jan 21, 2025
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12 changes: 8 additions & 4 deletions elastica/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -73,11 +73,15 @@
)
from elastica._linalg import levi_civita_tensor
from elastica.utils import isqrt
from elastica.timestepper import (
integrate,
extend_stepper_interface,
from elastica.timestepper import integrate, extend_stepper_interface
from elastica.timestepper.symplectic_steppers import (
PositionVerlet,
VelocityVerlet,
ThirdOrderSymplectic,
FourthOrderSymplectic,
SemiImplicitEuler,
PEFRL,
)
from elastica.timestepper.symplectic_steppers import PositionVerlet, PEFRL
from elastica.memory_block.memory_block_rigid_body import MemoryBlockRigidBody
from elastica.memory_block.memory_block_rod import MemoryBlockCosseratRod
from elastica.restart import save_state, load_state
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