Changes between Initial Version and Version 4 of Ticket #22525


Ignore:
Timestamp:
03/08/17 07:19:06 (4 years ago)
Author:
rws
Comment:

Interesting. It's the conversion via SR(string).

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  • Ticket #22525

    • Property Cc mantepse added
    • Property Summary changed from Improper expressions from FriCAS interface to Improper expressions from SR(string)
  • Ticket #22525 – Description

    initial v4  
    1 Symbolic expressions coming from FriCAS are not translated into Sage expressions that can be numerically evaluated:
     1Strings are not translated into proper Sage expressions for some functions:
     2{{{
     3sage: SR("sin(x)")
     4sin(x)
     5sage: type(_.operator())
     6<class 'sage.functions.trig.Function_sin'>
     7sage: SR("asin(x)")
     8asin(x)
     9sage: type(_.operator())
     10<class 'sage.symbolic.function_factory.NewSymbolicFunction'>
     11}}}
     12
     13Previous ticket description:
     14
    215{{{
    316sage: integrate(((-1-3*x)^(-1/2)*(-1+3*x)^(-1/2)),x,algorithm='fricas')