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2012-03-23 18:53:03 +0200 | commented answer | Is there any way to define an as-yet-unknown function? Great. seems to work fine. The output is a bit weird though, in typeset sage, the diff(a(T),T) is written as D [ 0 ] ( a ) ( T ), not particular intuitive. But it works! Thank you. |
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2012-03-23 18:50:28 +0200 | marked best answer | Is there any way to define an as-yet-unknown function? Answer from 2012. See further down for 2020 update. You can define a function using the keyword [2020 update] Nowadays, Use Example: |
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2012-03-23 14:11:38 +0200 | asked a question | Is there any way to define an as-yet-unknown function? I'd like to know if there's a way of declaring functions in sage that are as-yet unknown. For example, let's say I have a function And I would like to be able to take a derivative like this and be given something back a partial derivative something like However at present I can't seem to put an abstract function As I recall there was a way to do this with wxMaxima, so maybe I just haven't found the trick in Sage yet. |