Population variable

Structure:

popu.generation Scalar integerGenerationnumber
 popu.symbolsStructure Equation symbols 
 popu.sizeScalar integer Numbor of individuals = nind 
popu.chrom Cells (1 X nind) Chromosomes 


The chrom contains the chromosomes (invididuals): equations encoded by trees.

The symbols contains the equation symbols, namely the operators and variables.