| 1 | | This is from comment 2 in #9769 by burcin: |
| 2 | | > {{{ |
| 3 | | > sage: x = PolynomialRing(RR, 'x').gen() |
| 4 | | > sage: sin(x) |
| 5 | | > <boom> |
| 6 | | > }}} |
| 7 | | > |
| 8 | | > The problem here is really coercion, but it should be copied to another ticket (in the basic_arithmetic component): |
| 9 | | > The `__call__()` function of RR[x] doesn't conform to the generic definition. You should be able to give the parameters as a keyword argument as well. This should be made to work: |
| 10 | | > |
| 11 | | > {{{ |
| 12 | | > sage: R.<x> = RR[] |
| 13 | | > sage: (x^2+1)(x=5) |
| 14 | | > 11 |
| 15 | | > }}} |
| | 1 | Edit: my copy of another comment was unrelated so I deleted it |
