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<title><string language="fre"><![CDATA[1.4. What is an algorithm?]]></string></title>
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<string language="fre"><![CDATA[We have seen that a genomic textcan be indeed a very long sequence of characters. And to interpret this sequence of characters, we will need to use computers. Using computers means writing program. Writing program means designing first algorithm. So, let's see what an algorithm is. An algorithm is a series of operationsto be executed by a computer, but maybe also executed by ahuman, for solving a problem.  In the first algorithm we will study in this session and next one, the problem will be to count the number of different of the four different nucleotides which appeared in the sequence. It's a sequence of operations. You may say that in everyday life,we have an example of algorithm with the recipe. But no,it's not totally correct. A recipe, the description of arecipe is not formal, explicit, precise enough to be an algorithm.  There are too many approximations,too many shortcuts of language. For example, you have to put eggs in the bowl but it doesn't say that you have tobreak the eggs, first.
You don't have to throw the shells on the floor, for example.]]></string></description>
<keyword><string language="fre"><![CDATA[DNA]]></string></keyword><keyword><string language="fre"><![CDATA[Genome]]></string></keyword><keyword><string language="fre"><![CDATA[algorithm]]></string></keyword><keyword><string language="fre"><![CDATA[cell]]></string></keyword><keyword><string language="fre"><![CDATA[bioinformatics]]></string></keyword>
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REV:2021-09-16 17:43:37
FN:Francois RECHENMANN
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NOTE: Ingénieur et Docteur-Ingénieur en informatique, François Rechenmann est chercheur au centre Inria Grenoble – Rhône-Alpes. Il y exerce ses activités à l’interface de l’informatique et des sciences du vivant en contribuant plus particulièrement au développement de méthodes et de logiciels pour l’analyse des séquences génomiques des microorganismes. Cofondateur de la société Genostar, qui propose des solutions bioinformatiques aux industries pharmaceutiques, agroalimentaires et biotechnologiques, il en est le conseiller scientifique. Très impliqué dans les actions de médiation scientifique, François Rechenmann est le responsable scientifique du site Interstices dont l’objectif est d’expliquer l’informatique en tant que domaine de recherche. 
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<date><dateTime>2015-05-05</dateTime></date>
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<string language="fre"><![CDATA[Droits réservés à l'éditeur et aux auteurs. 
Ces ressources de cours sont, sauf mention contraire, diffusées sous Licence Creative Commons. L’utilisateur doit mentionner le nom de l’auteur, il peut exploiter l’œuvre sauf dans un contexte commercial et il ne peut apporter de modifications à l’œuvre originale.]]></string>
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<string language="fre"><![CDATA[1. Genomic texts]]></string>
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