Re: problem failure file

[Francesco Potortì]

>Here is that file with a problem I do not understand.
>
># dfac.m 21/2/2019  double factorial
>function r=dfac(n)
>f=1;
>if (n=0)
>  r=1;
>elseif (mod(n,2)=0)
>    for i=n:-2:2,f=f*i;,endfor
>else
>for i=1:2:n,f=f*i;,endfor
>  endif
> r=f;
>endfunction

You should tell us what is the problem and what you do not understand.

If you run it and get an unexpected result or an error, you should copy
and paste what you see on the command window (text, no image) and tell
us what you expected instead.

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