HP 49g Graphing Calculator User Manual
Page 148
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D contains the coefficients of the diagonal
representation.
Level 2/Argument 3: The diagonal representation of the
quadratic form.
Level 1/Argument 4: A list of the vaiiables.
Flags:
Exact mode must be set (flag -105 clear).
Numeric mode must not be set (flag -03 clear).
Example:
Find the Gaussian symbolic quadratic fonu of the
following:
9
X +
2
axy
Command:
GAUSS ( X ' ' 2 + 2 * A * X * Y , [ X , Y ]
)
Result:
{ [ l , - A - 2 ]
[
[ 1 , A ] [ 0 , 1 ]
]
,
-
( A ^ 2 * Y " 2
) +
( A * Y + X ) ' ' 2 , [ X , Y ] )
See also:
AXQ
QXA
GCD
Type:
Fmiction
Description:
Returns the greatest common divisor of two objects.
Access:
Arithmetic, 0@B
POLYNOMIAL
Input:
Level 2/Argimrent 1: An expression, or an object that
evaluates to a number.
Level 1/Ai'gument 2: An expression, or an object that
evaluates to a number.
Output:
Exact mode must be set (flag -105 clear).
Numeric mode must not be set (flag -03 clear).
Flags:
For a symbolic result, clear the CAS modes Numeric
option (flag -03 clear).
Example:
Find the greatest common divisor of 2805 and 99.
Command:
G C D ( 2 8 0 5 , 9 9 )
Result:
33
See also:
GCDMOD
EGCD
lEGCD
LCM
Computer Algebra Commands
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