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Re: [Axiom-developer] System error: Cannot take first of an empty list
From: |
Martin Rubey |
Subject: |
Re: [Axiom-developer] System error: Cannot take first of an empty list |
Date: |
Sun, 16 Jan 2005 17:02:48 +0100 |
Of course it's a bug. Please file it!
Martin
Vladimir Bondarenko writes:
> Hello all,
>
> Any comments on the following stuff?
>
>
> .......................................................
> -- behavior type # 1
> .......................................................
>
> -> integrate(%i^log(z), z)
>
> log(%i)log(z)
> z %e
> -----------------
> log(%i) + 1
>
> -> integrate(f^log(z), z)
>
> log(f)log(z)
> z %e
> ----------------
> log(f) + 1
>
> -> integrate(sin^log(z), z)
>
> log(sin)log(z)
> z %e
> ------------------
> log(sin) + 1
>
> -> integrate(tan^log(z), z)
>
> log(tan)log(z)
> z %e
> ------------------
> log(tan) + 1
>
> -> integrate(sqrt^log(z), z)
>
> log(sqrt)log(z)
> z %e
> -------------------
> log(sqrt) + 1
>
> -> integrate(atan^log(z), z)
>
> log(atan)log(z)
> z %e
> -------------------
> log(atan) + 1
>
> -> integrate(asinh^log(z), z)
>
> log(asinh)log(z)
> z %e
> --------------------
> log(asinh) + 1
> .......................................................
>
>
> BUT
>
>
> .......................................................
> -- behavior type # 2
> .......................................................
>
> -> integrate(exp^log(z), z)
>
> >> System error:
> Cannot take first of an empty list
>
> -> integrate(log^log(z), z)
>
> >> System error:
> Cannot take first of an empty list
>
> .......................................................
>
>
> Should this be considered as a bug or a feature?
>
>
> Best,
>
> Vladimir
>
>
>
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