Reference Guide

3-126 Full Command and Function Reference
2. If axes parameter is not a list, then the independent variable name in PPAR is used.
The vertical axis name is chosen in the following priority order:
1. If the axes parameter in PPAR is a list, then the y-axis element from that list is used.
2. If axes is not a list, then the dependent variable name from PPAR is used.
Access: …µ LABEL
Input/Output: None
See also: AXES, DRAW, DRAX
LAGRANGE
Type: Command
Description: Returns the interpolating polynomial of minimum degree for a set of pairs of values. For two
pairs, DROITE will fit a straight line.
Access: Arithmetic, !Þ POLY L
Input: A two × n matrix of the n pairs of values.
Output: The polynomial that results from the Lagrange interpolation of the data.
Flags: Exact mode must be set (flag –105 clear).
Numeric mode must not be set (flag –3 clear).
Radians mode must be set (flag –17 set).
Example: Find an interpolating polynomial for the data (1,6), (3,7), (4,8), (2,9)
Command: LAGRANGE([[1,3,4,2][6,7,8,9]])
Result:
8x
3
63x
2
– 151x 60–+
6
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See also: DROITE
LANGUAGE →
Type: Command
Description: Language: Returns the language that is currently set. 0 for English, 1 for French, and 2 for
Spanish.
Access: …µ LANGUAGE →
Input/Output:
Level 1/Argument 1 Level 1/Item 1
→
value
See also: →LANGUAGE
→ LANGUAGE
Type: Command
Description: Language: Sets the language for things such as error messages: 0 for English, 1 for French, and 2
for Spanish.
Access: …µ → LANGUAGE
Input/Output:
Level 1/Argument 1 Level 1/Item 1
value
→
See also: LANGUAGE→