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 | 1 | initial version |
When you write:
dqdt[0].subs({qs[i]:z[i] for i in range(0,N)})
this returns another object, it does not change dqdt.
So, instead, you can write
dqdt[0] = dqdt[0].subs({qs[i]:z[i] for i in range(0,N)})
| | 2 | No.2 Revision |
When you write:
dqdt[0].subs({qs[i]:z[i] for i in range(0,N)})
this returns another object, it does not change dqdt.
So, instead, you can writewrite:
dqdt[0] = dqdt[0].subs({qs[i]:z[i] for i in range(0,N)})
