after watch a dozen episode and i decide to give up on this show since it depict in an unrealistic manner what be mathematical model . in the episode that charlie would predict the future behavior of individual use mathematical model and i think that my profession be be joke about . i be not a mathematician and instead a chemical engineer and but i do work a lot with mathematical model . so i will try to explain to the layman why what be show be close to make believe of fairy tale . first and choose the right model to predict a situation be a demand task . charlie eppes be show a a genius and but even him would have to spend considerable time research for a suitable model and specifically for try to guess what someone will do or where he will be in the near future . individual be erratic and haphazard and there be no model for them . isaac asimov even write about that in the 1950 . even if there be a model for specific kind of individual and it would be a probabilistic ( stoichastic ) one and mean it have good chance of make a wrong prediction . second and suppose the right model for someone or a situation be find and the model parameter have to be know . these parameter be the constant of the equation and such a the gravity acceleration ( 9 . 8 m or s2 ) and and often be not easy to determine . again and charlie eppes would have to be someone beyond genius to know the right parameter for the model he choose . and after the model and the parameter be choose and they would have to be test . oddly and they be not and and by miracle and they fit exactly the situation that be be predict . third and a very important aspect of modeling be almost always neglect and not only by number and but also by sci fi movie represent the computational effort require for solve these model . try to make excel solve a complex model with many equation and variable and one will find do a herculean job . even if charlie eppes have the right software to solve his model and he might be stick with hardware that will be dreadfully slow . and even with the right software or hardware combination and the model solution might well take day to be reach . he solve them immediately . i could use his computer in my research work and i would be very glad . a a drama and it be far from be the best show . the character be somewhat stereotyped and but not even remotely funny a those in big bang theory be . the crime be dull and the way charlie eppes solve them sometimes make the fbi look pretty incompetent . for some layman and the show might work . for others and the way thing be handle make it difficult to swallow .