Hp 49g Graphing Calculator Instrukcja Użytkownika Strona 182

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Example:
Substitute X = z+l for X in the following expression, and
apply the EXPAND command to simplify the result:
+ 3x + l
Command:
SUBST {X-'2 + 3*X+7 , X=Z + 1)
EXPAND(ANS(1))
Result:
Z"2+5*Z+11
SUBTMOD
Type:
Function
Description: Performs a subtraction, modulo the current modulus.
Access: Arithmetic, 0®B MODULO
Input:
Level 2/Argument 1: The object or number to be
subtracted from.
Level 1/Argmnent 2: The object or number to subtract.
Output: The result of the subtraction, modulo the current
modulus.
Flags:
Exact mode must be set (flag -105 clear).
Numeric mode must not be set (flag -03 clear).
SYLVESTER
Type: Command
Description: For a symmetric matrix A, returns D and P where D is a
diagonal matrix and
A = P'^DP
Access: Catalog, ®
Input:
A synunetric matrix.
Output: Level 2/Item 1: the diagonal matrix, D.
Level 1 1/Item 2: The matrix P.
Flags: Exact mode must be set (flag -105 clear).
Numeric mode must not be set (flag -03 clear).
Computer Algebra Commands
Page 14-59
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