Lncollect, Lvar – HP 49g Graphing Calculator User Manual
Page 165
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See also:
LVAR
Flags:
Exact mode must be set (flag -105 clear).
Numeric mode must not be set (flag -03 clear).
LNCOLLECT
Type:
Command
Description:
Simplifies an expression by collecting logarithmic
tenns.
Access:
Algebra, 0($G)
Input:
An expression.
Output:
The simplified expression.
Flags:
Exact mode must be set (flag -105 clear).
Numeric mode must not be set (flag -03 clear).
Example:
Simplify the following expression:
2(ln(.T)+ln(i/))
Command:
L N C O L L E C T ( 2 ( L N ( X ) + L N { Y ) )
Result:
L N ( X ' ' 2 + Y )
LVAR
Type:
Command
Description:
Returns a list of variables in an algebraic object.
Access:
Catalog,
i C C T )
Input:
An algebraic object.
Output:
Level 2/Item 1: The algebraic object.
Level 1/Item 2: A vector of tire variables that the object
contains.
Flags:
Exact mode must be set (flag -105 clear).
Numeric mode must not be set (flag -03 clear).
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Computer Algebra Commands