Com els algoritmes afecten la nostra vida - Blog CaixaCi\u00e8ncia<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.caixaresearch.org\/ca\/com-els-algoritmes-afecten-la-nostra-vida\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Com els algoritmes afecten la nostra vida - Blog CaixaCi\u00e8ncia\" \/>\n<meta property=\"og:description\" content=\"Per Pilar Bayer, catedr\u00e0tica d’\u00c0lgebra de la Universitat de Barcelona La realitat que ens envolta \u00e9s, certament, complexa. Des de sempre, els \u00e9ssers humans, des de moltes posicions i ideologies diferents i en un desig insaciable per comprendre, hem intentat apropar-nos als seus misteris. Les matem\u00e0tiques s\u00f3n un mitj\u00e0 per fer-ho. 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Per Pilar Bayer<\/strong>, catedr\u00e0tica d’\u00c0lgebra de la Universitat de Barcelona<\/span><\/p>\n

La realitat que ens envolta \u00e9s, certament, complexa. Des de sempre, els \u00e9ssers humans, des de moltes posicions i ideologies diferents i en un desig insaciable per comprendre, hem intentat apropar-nos als seus misteris. Les matem\u00e0tiques s\u00f3n un mitj\u00e0 per fer-ho. En principi, per la seva objectivitat, els resultats matem\u00e0tics gaudeixen d’un grau de confian\u00e7a alt. En els models matem\u00e0tics, les realitats no s’imposen, solament s’hi postulen atenent a la seva compatibilitat l\u00f2gica.<\/p>\n

En el decurs dels anys, les matem\u00e0tiques no han deixat d’avan\u00e7ar. Fins a un cert punt, han creat uns universos paral\u00b7lels en els quals tot el que \u00e9s racional (per a la ment humana) hi t\u00e9 cabuda. A partir d’uns axiomes o regles de joc, les matem\u00e0tiques forgen i analitzen estructures. Res s’hi deixa a l’atzar, at\u00e8s que fins i tot l’aleatorietat i el desordre hi s\u00f3n presents.<\/p>\n

Les regles matem\u00e0tiques solen traduir-se en resultats quantitatius. Fins fa ben poc, aquests podien dissenyar-se, intuir-se, for\u00e7ar-se, per\u00f2 no es podien visualitzar per causa de la limitad\u00edssima capacitat de c\u00e0lcul de la ment humana. Tot canvi\u00e0, per\u00f2, a partir del moment en qu\u00e8 la tecnologia propici\u00e0 el desenvolupament del c\u00e0lcul electromagn\u00e8tic. La intel\u00b7lig\u00e8ncia humana ha rebut un suport impagable en l’automatitzaci\u00f3 del c\u00e0lcul, a trav\u00e9s d’uns mitjans que permeten executar regles repetitives, senzilles i a velocitats fins fa ben poc inabastables.<\/p>\n

A les m\u00e0quines, per\u00f2, cal explicar-los molt clarament qu\u00e8 pretenem que facin en cada moment. Els algoritmes s\u00f3n un seguit d’instruccions adaptades a cada problema, redactades de manera clara i precisa a fi que les m\u00e0quines, independentment del seu grau de sofisticaci\u00f3, puguin executar-les.<\/p>\n

$\"\"$ <\/p>\n

Un cop el funcionament d’un model matem\u00e0tic ha estat compr\u00e8s i els algoritmes corresponents han estat implementats, la societat pot fer-ne \u00fas. En cada circumst\u00e0ncia caldr\u00e0 decantar-se per un model o per un altre i \u00fanicament el temps dir\u00e0 si l’escollit \u00e9s o no escaient. Per regla general, els models matem\u00e0tics solen funcionar en un primer estadi de complexitat. Per\u00f2 a la llarga, els comportaments globals, sigui en l’\u00e0mbit cient\u00edfic sigui en el social, s\u00f3n, ara per ara, encara molt dif\u00edcils de matematitzar.<\/p>\n

Al cicle de confer\u00e8ncies \u00abLa vida: instruccions d’\u00fas. Com els algoritmes modelen la nostra vida\u00bb<\/a>, organitzat per B-Debate<\/a> i Obra Social “la Caixa”<\/a>, en col\u00b7laboraci\u00f3 amb el Museu de Matem\u00e0tiques de Catalunya (MMACA)<\/a> i l’Institut de Ci\u00e8ncies Fot\u00f2niques<\/a>, diversos investigadors hem intentat fer una aproximaci\u00f3 general sobre qu\u00e8 s\u00f3n els algoritmes i reflexionar sobre l’impacte, la transcend\u00e8ncia i l’abast que tenen les seves aplicacions en m\u00faltiples \u00e0mbits i infinits aspectes de la nostra vida quotidiana.<\/p>\n<\/p><\/div>\n

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Per Pilar Bayer, catedr\u00e0tica d’\u00c0lgebra de la Universitat de Barcelona<\/p>\n