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942 Annexe A : Instructions et fonctions
polyEval() Menu MATH/List polyEval()
polyEval(
liste1
,
expression1
)
expression
polyEval(
liste1
,
liste2
)
expression
Interprète le premier argument comme la liste des
coefficients d'un polynôme ordonné suivant les
puissances décroissantes, et calcule la valeur de
ce polynôme au(x) point(s) indiqué(s) par le
deuxième argument.
polyEval({a,b,c},x) ¸
aøxñ+bøx+c
polyEval({1,2,3,4},2) ¸ 26
polyEval({1,2,3,4},{2,ë7})
¸ {26 ë262}
PopUp Instruction d'entrée/sortie. Voir chap. VII et chap. 33, manuel CD. PopUp
PowerReg Menu MATH/Statistics/Regressions RegPuiss
PowerReg
liste1
,
liste2
[, [
liste3
] [,
liste4
,
liste5
]]
Ajustement puissance.
liste1
: liste des valeurs de
x
.
liste2
: liste des valeurs de
y
.
liste3
: liste des effectifs.
liste4
: liste des numéros de catégories.
liste5
: liste des numéros de catégories
à utiliser.
Note. Les arguments
liste1
à
liste4
doivent être
des noms de variables contenant des listes, ou
des noms de colonnes du type c1, c2, etc.
liste5
peut être une liste ou un nom de variable
contenant une liste, mais pas un nom de colonne.
En mode graphique FUNCTION :
{1,2,3,4,5,6,7}! L1 ¸ {1 2 3 ...}
{1,2,3,4,3,4,7}! L2 ¸ {1 2 3 ...}
PowerReg L1,L2 ¸ Done
ShowStat ¸
¸
Regeq(x)"y1(x) ¸ Done
NewPlot 1,1,L1,L2 ¸ Done
¥%
Prgm Instruction de programmation. Voir chap. VII et chap. 31, manuel CD. Prgm
product() Menu MATH/List produit()
product(
liste
[,
début
[,
fin
]])
expression
Retourne le produit des éléments de la liste
liste
.
Le calcul est effectué pour les éléments dont
l’indice est compris entre
début
et
fin
lorsque ces
éléments optionnels sont indiqués.
product({1,2,3,4}) ¸ 24
product({2,x,y}) ¸ 2ø xø y
product({4,5,8,9},2,3) ¸ 40
product(
matrice1
[,
début
[,
fin
]])
matrice
Retourne la matrice ligne contenant le produit
des éléments de chaque colonne de la matrice. Le
calcul est effectué pour les éléments dont l’indice
de ligne est compris entre
début
et
fin
lorsque ces
éléments optionnels sont indiqués.
product([1,2,3;4,5,6;7,8,9]) ¸
[28 80 162]
product([1,2,3;4,5,6;7,8,9],
1,2) ¸ [4,10,18]
Produit() Voir Π
ΠΠ
Π(), page 988.
941


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