Hp 49g Graphing Calculator Manuel d'utilisateur Page 161

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Command; LAPL(EXP{X) *COS (Z*Y) , [X,Y, Z] )
EXPAND(ANS(1))
Result: - ( (Y^2 + Z^2-l) *EXP (X) *COS (Z*Y)
LCM
Type: Function
Description; Returns the least conunon multiple of two objects.
Access: Arithmetic, R (aItH)polynomial
Input: Level 2/Argument 1: An expression, a number, or object
that evaluates to a number.
Level 1/Argument 2: An expression, a number, or object
that evaluates to a number.
Output: The least conunon multiple of the objects.
Flags: Exact mode must be set (flag -105 clear).
Numeric mode must not be set (flag -03 clear).
Example: Find the least common multiple of the following two
expressions:
D
- 1
Command:
X~1
LCM(X^2-1,X-1)
Results: X''2-l
See also: GCD
LCXM
Type: Command
Description: From a program with two arguments, builds a matrix
with the specified number of rows and columns, with
Oij =/(iJ)-
Access;
Catalog, (CAT)
Input: Level 3/Argiiment 1: The number of rows you want in the
resulting matrix.
Level 2/Argument 2: The number of columns you want in
the resulting matrix.
Level 1/Ai'gument 3: A program that uses two arguments.
Page 14-38 Computer Algebra Commands
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