Result, Ldec, Legendre – HP 49g Graphing Calculator User Manual
Page 162
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Output:
The resulting matrix.
Flags:
Exact mode must be set (flag -105 clear).
Numeric mode must not be set (flag -03 clear).
Example:
Build a 2 x 3 matrix with ajj=i+2j.
Command:
LCXM{2,3 , <<-»! J ' I + 2*J' >>)
Result:
3 5 7
4 6 8
LDEC
Type:
Command
Description:
Solves a linear differential equation with constant
coefficients, or a system of first order linear differential
equations with constant coefficients.
Access:
Symbolic solve, 0 (S5V)
Input:
Level 2/Argmnent 1: For a single equation, the function
fonning the right hand side of the equation. For a system
of equations, an array comprising the tenns not
containing the dependent variables.
Level 1/Argnment 2: For one equation, the auxiliary
polynomial. For a system of equations, the matrix of
coefficients of the dependent variables.
Output:
The solution.
Flags:
Exact mode must be set (flag -105 clear).
Numeric mode must not be set (flag -03 clear).
LEGENDRE
Type:
Fimction
Description:
Returns the nth degree Legendre polynomial.
Access:
Arithmetic, RiWfH)
POLYNOMIAL
Input:
An integer, n.
Output:
The nth Legendre polynomial.
Flags:
Exact mode must be set (flag -105 clear).
Numeric mode must not be set (flag -03 clear).
Example:
Find the Legendre polynomial with degree 4.
Computer Algebra Commands
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