- I am a year 3 physics major studying at CUHK
- You may contact me at [email protected]
alvinng4 / gravity-simulator Goto Github PK
View Code? Open in Web Editor NEWN-body gravity simulator with plotting and interactive modules
License: MIT License
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gravity-simulator's Issues
Extremely large error for RKF7(8)
For some reason, the error of RKF7(8) is extremely large, which causes it to adopt abnormally small time step.
E.g. Initial error in figure-8 orbit is ~ 50000, while the other three embedded RK method is ~0.5
c_lib IAS15 gives different result from numpy
Bug: unusual simulation error arises when changing dt in the middle of simulation
Bug: Simulation error arises when switching integrators in the middle of simulation
Bug Fixed: see af7d391
Bug: rkf78 and dopri cannot run
Python(15722,0x1e32de080) malloc: Incorrect checksum for freed object 0x137b3b478: probably modified after being freed.
Corrupt value: 0x3f647adbb0073e54
Python(15722,0x1e32de080) malloc: *** set a breakpoint in malloc_error_break to debug
Edit: Bug Fixed. See 9d01c2f
Error in new object's position when camera pos != (0, 0)
Bug Fixed. See 4d246b4
Branch c_lib: Euler not working for n >= 3
c_lib and numpy Euler works the same for n = 2, but not for n = 3
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