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D-9
k Berekeningen met absolute waarden/
argumenten
Aangenomen dat het imaginaire getal uitgedrukt door het
rechthoekige formaat z = a + bi voorgesteld wordt door
een punt in het Gaussische vlak, dan kunt u de absolute
waarde (
r) en argument (
) van het complexe getal
bepalen. Het poolformaat is
rЄ
.
Voorbeeld 1: Om de absolute waarde (
r) en het argu-
ment (
) te bepalen van 3 + 4i (Hoekeenheid: Deg)
(
r =
5
,
=
53,13010235
°)
Imaginaire as
Reële as
(r ҃
5
) A A R 3 + 4 i T =
(
҃
53,13010235
°) A a R 3 + 4 i T =
Het complexe getal kan tevens worden gebruikt om het
poolformaat
rЄ
in te voeren.
Voorbeeld 2:
2 Є 45 ҃
1
ѿ i
(Hoekeenheid: Deg)
L 2 A
Q 45 =
A r
•U kunt de herhalingsfunctie in de CMPLX functie
gebruiken. Daar complexe getallen in het
herhalingsgeheugen van de CMPLX functie worden
opgeslagen wordt meer geheugenruimte dan gewoonlijk
gebruikt.
Voorbeeld: (2ѿ3
i)ѿ(4ѿ5i)
҃
6
ѿ
8
i
(Reëel deel is 6)
2 + 3 i + 4 + 5 i =
(Imaginaire deel is 8i) A r
11


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