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Alexandru101
Pe: 2013-10-26T16:23:24+03:00 In: In:

Transpozitii-Permutari, ajutor

Salut, am urmatoarea cerinta:Sa se scrie transpozitiile de gradul 4, respectiv 5.
Este corect?

Pentru gradul 4:

1 2 3 4
3 2 1 4

Pentru gradul 5:

1 2 3 4 5
1 2 5 4 3

Similare

1 raspuns

  1. PhantomR
    expert (VI)

    transpozitieEXEMPLU: O transpozitie de grad 3 este 

    *** QuickLaTeX cannot compile formula:
S(1,3)=\left(\begin{array} 1 & 2 & 3 \\ \fbox{3} & 2 & \fbox{1} \end
	
	{array}\right)

*** Error message:
Illegal character in array arg.
leading text: $S(1,3)=\left(\begin{array} 1
Extra alignment tab has been changed to \cr.
leading text: $S(1,3)=\left(\begin{array} 1 &
Extra alignment tab has been changed to \cr.
leading text: $S(1,3)=\left(\begin{array} 1 & 2 &
Extra alignment tab has been changed to \cr.
leading text: ...\left(\begin{array} 1 & 2 & 3 \\ \fbox{3} &
Extra alignment tab has been changed to \cr.
leading text: ...t(\begin{array} 1 & 2 & 3 \\ \fbox{3} & 2 &
Paragraph ended before \end  was complete.
leading text: 	
Extra \right.
leading text: 	{array}\right)
\begin{array} on input line 8 ended by \end{document}.
leading text: \end{document}
Improper \prevdepth.
leading text: \end{document}
Missing } inserted.
leading text: \end{document}

    . Am schimbat intre ele 1,3, iar 2 a ramas tot pe pozitia 2.
    O transpozitie de grad 5 este (2,5)=\left(\begin{array} 1 & 2 & 3 & 4 & 5 \\ 1 & 5 & 3 & 4 & 2\end{array}\right). Am schimbat intre ele 2,5 (de jos!), iar 1,3,4 au ramas tot in pozitiile 1,3 respectiv 4.

    (k,l)=(l,k), deci putem considera doar transpozitiile cu k<l.
    SFAT

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