Revision history [back]
 | 1 | initial version |
It works the same way as last time, by using .expr():
Ric[0,0].expr().substitute({xi:0, diff(xi, t):0})
| | 1 | initial version |
It works the same way as last time, by using .expr():
Ric[0,0].expr().substitute({xi:0, diff(xi, t):0})
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