Reference Guide

3-62 Full Command and Function Reference
DIV
Type: Command
Description: Returns the divergence of a vector function.
Access: Calculus, !Ö DERIV . & INTEG .
Input: Level 2/Argument 1: An array representing a vector function.
Level 1/Argument 2: An array containing the variables.
Output: The divergence of the vector function with respect to the specified variables.
Flags: Exact mode must be set (flag –105 clear).
Numeric mode must not be set (flag –3 clear).
Example: Find the divergence of the following vector function:
v x
2
yi
˜
x
2
yj
˜
y
2
zk
˜
+ +=
Command: DIV([X^2*Y, X^2*Y, Y^2*Z],[X,Y,Z])
Result: Y*(2*X)+(X^2+Y^2)
See also: CURL, HESS
DIV2
Type: Command
Description: Performs Euclidean division on two expressions. Step-by-step mode is available with this
command.
Access: Arithmetic, !Þ POLYNOMIAL
Input: Level 2/Argument 1: The dividend.
Level 1/Argument 2: The divisor.
Output: Level 2/Item 1: The quotient.
Level 1/Item 2: The remainder.
Flags: Exact mode must be set (flag –105 clear).
Numeric mode must not be set (flag –3 clear).
Step-by-step mode can be set (flag –100 set).
Radians mode must be set (flag –17 set).
Example: Perform the following division:
x
2
x 1+ +
2x 4+
-----------------------
Command: DIV2(X^2+X+1,2*X+4)
Result: {1/2(X-1),3}
DIV2MOD
Type: Command
Description: Performs Euclidean division on two expressions modulo the current modulus.
Access: Arithmetic, !Þ MODULO
Input: Level 2/Argument 1: The dividend.
Level 1/Argument 2: The divisor.
Output: Level 2/Item 1: The quotient.
Level 1/Item 2: The remainder.