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Casio FX570ES Manual

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F-59
k Eléments du menu de matrices
Les éléments du menu de matrices qui apparaît lorsque vous
appuyez sur 14(MATRIX) sont les suivants.
Sélectionner
cet élément Lorsque vous voulez faire ceci :
du menu :
1Dim
Sélectionner une matrice (MatA, MatB, MatC) et
spécifier sa dimension
Sélectionner une matrice (MatA, MatB, MatC) et
2Dataafficher ses données sur l’écran de l’éditeur de
matrices
3MatA Saisir « MatA »
4MatB Saisir « MatB »
5MatC Saisir « MatC »
6MatAns Saisir « MatAns »
7det Saisir la fonction « det( » pour obtenir le déterminant
8Tr n
Saisir la fonction « Trn( » pour obtenir des données
transposées dans la matrice
Appendice
<#096> Saisir MatA
=
21
, MatC =
10–1
.
11 0 –1 1
<#097> Copier MatA =
21
dans MatB et changer le contenu
11
de MatB en MatB =
2–1
.
–1 2
• Les exemples suivants emploient les matrices saisies dans les
Exemples <#096> et <#097> (MatA, MatB, MatC).
<#098> MatA + MatB (Addition de deux matrices)
<#099> MatA × MatB, MatB × MatA – MatA × MatB (Multiplication
de deux matrices)
<#100> 3 × MatA (Multiplication scalaire de matrices)
<#101> Obtenir le déterminant de la Matrice A (det(MatA)).
<#102> Obtenir la transposition de la Matrice C (Trn(MatC)).
<#103> Obtenir la matrice inverse de la Matrice A (MatA
–1
).
•Utilisez la touche E pour saisir “
–1
”. Notez que vous ne
pouvez pas utiliser 6 pour cette saisie.
<#104> Obtenir la valeur absolue (Abs(MatB)) de chaque élément
de la Matrice B.
•Utilisez 1w(Abs).
<#105> Déterminez le carré (MatA
2
) ou le cube (MatA
3
) de la
Matrice A.
•Utilisez w pour spécifier le carré et 1w(x
3
) pour
spécifier le cube. Notez que vous ne pouvez pas utiliser
6 pour cette saisie.
… 61 …


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