LFA$/$Terminale$S$$$$Module$algorithmique$$$Mme$MAINGUY$
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Algorithmique
séquence 3
Approcher une solution d’équation:
méthode de Lagrange
T S
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1) >2,!D%-9%#,0<!',0&%,!/0!&-2,#%!
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2) E-31',2(,%!/%!+-(3'!45(3'%,1%&'(-3!42!1%9:%3'!
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4) G6('6,%,!/%!+,-&646!$217258!+-2A-(,!4-33%,!23%!A0/%2,!0++,-&.6%!4%!
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LFA$/$Terminale$S$$$$Module$algorithmique$$$Mme$MAINGUY$
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Avec%un%algorithme% %
1) H6:-3',%,!72%!
c1=af b
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2) I-(&(!72%/72%1!/(93%1!4523!0/9-,('.:%!72(!0))(&.%!23!%3&04,%:%3'!450:+/('24%!
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Amélioration%de%l’algorithme% %
1) G%)0(,%!/0!&-31',2&'(-3!12,!D%-9%#,0!0A%&!
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2) K-2,!0:6/(-,%,!/50/9-,('.:%<!-3!&-31'0'%!72%!72034!
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