Div2mod, Rkasth) – HP 49g Graphing Calculator User Manual
Page 137
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Flags:
Example:
Command:
Result:
See also:
Exact mode must be set (flag -105 clear).
Numeric mode must not be set (flag -03 clear).
Find the divergence of the following vector fimction:
l
9
9
V =
y [ + X y j
+ _y
z k
D I V ( [ X ^ 2 * Y , X ^ 2 * Y , Y ^ 2 * Z ] , [ X , Y , Z ] )
Y * 2 * X + X ^ 2 + Y ^ 2
CURL, HESS
DIV2
Type:
Command
Description:
Performs euclidean division on two expressions. Step-
by-step mode is available with this command.
Access:
Arithmetic, (nl (MTH)
polynomial
Input:
Level 2/Argiiment 1: The dividend.
Level 1/Argument 2: The divisor.
Output:
Level 2/Item 1: The quotient.
Level 1/Item 2: The remainder.
Flags:
Exact mode must be set (flag -105 clear).
Numeric mode must not be set (flag -03 clear).
Example:
Perform the following division:
. r ’
+ X + 1
2 x + 4
Command:
D I V 2 ( X " 2 + X + l , 2 * X + 4 )
Result:
{ 1 / 2 ( X - 1 ) , 3 }
DIV2MOD
Type:
Command
Description:
Performs euclidean division on two expressions modulo
the cmrent modulus.
Access:
Arithmetic,
RKASTH)
modulo
Input:
Level 2/Argmnent 1: The dividend.
Level 1/jrf'gimient 2: Tire divisor.
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Computer Algebra Commands