@incollection{fdi:010071848, title = {{I}ntroduction to the agent approach}, author = {{B}ouquet, {F}. and {C}hipeaux, {S}. and {L}ang, {C}. and {M}arilleau, {N}icolas and {N}icod, {J}.{M}. and {T}aillandier, {P}.}, editor = {}, language = {{ENG}}, abstract = {{W}hen we need to study a real system made up of interconnected elements, where each of these systems has its own dynamics, it is often impossible to foresee the emergence of a global dynamics for the system. {I}n this case, what is in question is a complex system, because any one modification, even if it is marginal in terms of its one or several constituent elements, may lead to a dramatic change in overall operation of the system. {I}t becomes clear that these phenomena may well be understood and observed only through the construction of a model. {E}ven if in certain particular cases the model may be resolved analytically, as is the case for the {L}otka-{V}oltera prey-predator models, computer simulation is indispensable in all other cases, i.e. in most thematically interesting cases. {A}s such, agent modeling is one possible response for studying complex spatial systems.}, keywords = {}, booktitle = {{A}gent-based spatial simulation with {N}et{L}ogo : volume 1 : introduction and bases}, numero = {}, pages = {1--28}, address = {{L}ondres ({GBR}) ; {K}idlington}, publisher = {{ISTE} ; {E}lsevier}, series = {}, year = {2015}, DOI = {10.1016/{B}978-1-78548-055-3.50001-0}, ISBN = {978-1-78548-055-3}, URL = {https://www.documentation.ird.fr/hor/fdi:010071848}, }