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Gene expression programming
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<p>Gene expression programming (GEP) in <a href="/facts/Computer_programming/QmSsFnu0">computer programming</a> is an <a href="/facts/Evolutionary_algorithm/bo7eHlcA">evolutionary algorithm</a> that creates computer programs or models. These computer programs are complex <a href="/facts/Tree_structure/R2vT5UIu">tree structures</a> that learn and adapt by changing their sizes, shapes, and composition, much like a living organism. And like living organisms, the computer programs of GEP are also encoded in simple linear <a href="/facts/Chromosome/FRGf11FC">chromosomes</a> of fixed length. Thus, GEP is a <a href="/facts/Genotype%E2%80%93phenotype_distinction/Nc79YrMw">genotype–phenotype system</a>, benefiting from a simple <a href="/facts/Genotype/MlzK1Mfz">genome</a> to keep and transmit the genetic information and a complex <a href="/facts/Phenotype/vxWXKGLj">phenotype</a> to explore the environment and adapt to it. </p>