[Scilab-users] Antwort: Re: {EXT} Antwort: Re: [EXTERNAL] Problem with solving this elegantly
Pascal Buehler
pascal.buehler at ch.sauter-bc.com
Tue Feb 27 11:37:59 CET 2018
not really when i do it with my pencil, i get to the real values directly,
i mean i can turn it like i want till i get the right answers that i need,
try it with lambda2?
imean it could work but is it mathematical correct?
with best regards / mit freundlichen Grüssen / cordialement
Pascal Bühler
Qualität-Hardware / Prüfingenieur
SAUTER HeadOffice
Fr. Sauter AG
Im Surinam 55, CH-4016 Basel
Telefon +41 (0)61 695 5646
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Von: "Dang Ngoc Chan, Christophe" <Christophe.Dang at sidel.com>
An: Users mailing list for Scilab <users at lists.scilab.org>,
Datum: 27.02.2018 11:31
Betreff: Re: [Scilab-users] {EXT} Antwort: Re: [EXTERNAL] Problem
with solving this elegantly
Gesendet von: "users" <users-bounces at lists.scilab.org>
Hello,
> De : Pascal Buehler
> Envoyé : mardi 27 février 2018 11:20
>
> Now for lambda1, insert the number to the matrix, where sigmaxx =-1,
sigmayy =5 and tauxy=4 already known is, as a stress tensor
> you will get two linear equation like
>
> -8*v1x+4*v1y=0
> 4*v1x-2*v1y=0
>
> normaly an trivial solution, but non of the sovers gave me the correct
answer?
A=[-8 4 ; 4 -2]
b = [0 ; 0]
[x0, kerA] = linsolve(A, b)
kerA =
0.4472136
0.8944272
x0 =
0.
0.
You notice that kerA(2)/kerA(1) = 2 which means that the result is similar
to
kerA =
1
2
x0 =
0.
0.
Which is the excepted solution. Or?
--
Christophe Dang Ngoc Chan
Mechanical calculation engineer
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