Package org.moeaframework.util.tree

Classes for representing, building and evaluating expression trees for use in Genetic Programming (GP).

See:
Description

Class Summary

Abs	The node for calculating the absolute value of a number.
Acos	The node for calculating the arc cosine of a number.
Acosh	The node for calculating the hyperbolic arc cosine of a number.
Add	The node for adding two numbers.
And	The node for calculating the logical AND of two boolean values.
Asin	The node for calculating the arc sine of a number.
Asinh	The node for calculating the hyperbolic arc sine of a number.
Atan	The node for calculating the arc tangent of a number.
Atanh	The node for calculating the hyperbolic arc tangent of a number.
Call	The node for calling a named function.
Ceil	The node for calculating the smallest integer value that is greater than or equal to a number.
Constant	The node for defining a constant value.
Cos	The node for calculating the trigonometric cosine of an angle specified in radians.
Cosh	The node for calculating the hyperbolic cosine of a number.
Define	The node for defining a callable, named function.
Divide	The node for dividing two numbers.
Environment	The execution context, or environment, storing the named variables used by a program.
Equals	The node for comparing two numbers for equality.
Exp	The node for calculating the result of Euler's number e raised to the power of a number.
Floor	The node for calculating the largest integer value that is less than or equal to a number.
For	The node for executing an expression for a given number of iterations.
Get	The node for reading the value stored in a named variable within the current scope.
GreaterThan	The node for comparing if one number is greater than another.
GreaterThanOrEqual	The node for comparing if a number is greater than or equal to another.
IfElse	The node for executing one of two expressions depending on the result of a boolean expression.
Lambda	The node for defining an immutable, anonymous function.
LessThan	The node for comparing if a number is less than another.
LessThanOrEqual	The node for comparing if a number is less than or equal to another.
Log	The node for calculating the natural logarithm of a number.
Log10	The node for calculating the base-10 logarithm of a number.
Max	The node for calculating the maximum value of the two arguments.
Min	The node for calculating the minimum value of the two arguments.
Modulus	The node for calculating the modulus, or remainder, of two numbers.
Multiply	The node for multiplying two numbers.
Node	A node in an expression tree.
NOP	The node for defining an empty expression.
Not	The node for calculating the logical NOT of a boolean value.
NumberArithmetic	Provides many arithmetic and trigonometric functions that operate on Numbers, performing any necessary implicit casting.
Or	The node for calculating the logical OR of two boolean values.
Power	The node for calculating the power of a base number and exponent.
Round	The node for rounding a number to the nearest integer.
Rules	The rules defining the program syntax.
Sequence	The node for executing two or more expressions in sequence.
Set	The node for assigning the value of a named variable within the current scope.
Sign	The node for calculating the sign of a number.
Sin	The node for calculating the trigonometric sine of an angle specified in radians.
Sinh	The node for calculating the hyperbolic sine of a number.
Square	The node for calculating the square of a number.
SquareRoot	The node for calculating the square root of a number.
Subtract	The node for subtracting two numbers.
Tan	The node for calculating the trigonometric tangent of an angle specified in radians.
Tanh	The node for calculating the hyperbolic tangent of a number.
Truncate	The node for truncating, or bounding, a number within a range.
While	The node for repeatedly executing an expression while a condition, a boolean expression, remains true.

Package org.moeaframework.util.tree Description

Classes for representing, building and evaluating expression trees for use in Genetic Programming (GP).

References:

1. Poli, R., Langdon, W.B., McPhee, N.F., Koza, J.R. "A Field Guide to Genetic Programming." Available online at <http://www.gp-field-guide.org.uk>, 26 March 2008.
2. Koza, J.R. "Genetic Programming: On the Programming of Computers by Means of Natural Selection." MIT Press, Cambridge, MA, USA, 1992.