[Maxima] Is this a bug?
ahmet alper parker
aaparker at gmail.com
Wed Dec 9 02:52:54 CST 2009
Thank you, it seems i forgot to set it... :(
On Wed, Dec 9, 2009 at 9:59 AM, reyssat <eric.reyssat at math.unicaen.fr> wrote:
> ahmet alper parker a écrit :
>> I used to solve such equations in maxima before, but this time it does
>> not yield any answer.
>> find_root(sum(1/(C+0.055*i), i, 1, n)-9.09264803473413=0, C, 3.4, 3.5);
>> the solution should be approximately 3.44 (i have done it with
>> goalseek function with a spreadsheet program).
> The answer depends on the value of n. If you first set
> then you get :
> (%i3) find_root(sum(1/(C+0.055*i), i, 1, n)-9.09264803473413=0, C, 3.4,
> (%o3) 3.447666118589491
> For other values of n, you may get an error message "function has same sign
> at endpoints"
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