{"id":8102,"date":"2023-05-03T06:00:18","date_gmt":"2023-05-03T04:00:18","guid":{"rendered":"http:\/\/www.glc.us.es\/~jalonso\/exercitium\/?p=8102"},"modified":"2023-04-26T16:51:35","modified_gmt":"2023-04-26T14:51:35","slug":"03-may-23","status":"publish","type":"post","link":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/03-may-23\/","title":{"rendered":"TAD de los polinomios: Resta de polinomios"},"content":{"rendered":"<p>Usando el <a href=\"https:\/\/bit.ly\/3KwqXYu\">tipo abstracto de los polinomios<\/a>, definir la funci\u00f3n<\/p>\n<pre lang=\"text\">\n   restaPol :: (Num a, Eq a) => Polinomio a -> Polinomio a -> Polinomio a\n<\/pre>\n<p>tal que <code>restaPol p q<\/code> es el polinomio obtenido rest\u00e1ndole a <code>p<\/code> el <code>q<\/code>. Por ejemplo,<\/p>\n<pre lang=\"text\">\n   \u03bb> ejPol1 = consPol 5 1 (consPol 4 5 (consPol 2 5 (consPol 0 9 polCero)))\n   \u03bb> ejPol2 = consPol 4 3 (consPol 2 5 (consPol 0 3 polCero))\n   \u03bb> ejPol1\n   x^5 + 5*x^4 + 5*x^2 + 9\n   \u03bb> ejPol2\n   3*x^4 + 5*x^2 + 3\n   \u03bb> restaPol ejPol1 ejPol2\n   x^5 + 2*x^4 + 6\n<\/pre>\n<p><b>Soluciones<\/b><\/p>\n<p>A continuaci\u00f3n se muestran las <a href=\"#haskell\">soluciones en Haskell<\/a> y las <a href=\"#python\">soluciones en Python<\/a>.<\/p>\n<p><a name=\"haskell\"><\/a><br \/>\n<b>Soluciones en Haskell<\/b><\/p>\n<pre lang=\"haskell\">\nimport TAD.Polinomio (Polinomio, polCero, consPol)\nimport Pol_Suma_de_polinomios (sumaPol)\nimport Pol_Crea_termino (creaTermino)\nimport Pol_Producto_polinomios (multPorTerm)\n\nrestaPol :: (Num a, Eq a) => Polinomio a -> Polinomio a -> Polinomio a\nrestaPol p q  =\n  sumaPol p (multPorTerm (creaTermino 0 (-1)) q)\n<\/pre>\n<p><a name=\"python\"><\/a><br \/>\n<b>Soluciones en Python<\/b><\/p>\n<pre lang=\"python\">\nfrom typing import TypeVar\n\nfrom src.Pol_Crea_termino import creaTermino\nfrom src.Pol_Producto_polinomios import multPorTerm\nfrom src.Pol_Suma_de_polinomios import sumaPol\nfrom src.TAD.Polinomio import Polinomio, consPol, polCero\n\nA = TypeVar('A', int, float, complex)\n\ndef restaPol(p: Polinomio[A], q: Polinomio[A]) -> Polinomio[A]:\n    return sumaPol(p, multPorTerm(creaTermino(0, -1), q))\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Usando el tipo abstracto de los polinomios, definir la funci\u00f3n restaPol :: (Num a, Eq a) => Polinomio a -> Polinomio a -> Polinomio a tal que restaPol p q es el polinomio obtenido rest\u00e1ndole a p el q. Por ejemplo, \u03bb> ejPol1 = consPol 5 1 (consPol 4 5 (consPol 2 5 (consPol 0&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"footnotes":"","_jetpack_memberships_contains_paid_content":false},"categories":[581],"tags":[265],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/8102"}],"collection":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/comments?post=8102"}],"version-history":[{"count":1,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/8102\/revisions"}],"predecessor-version":[{"id":8103,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/8102\/revisions\/8103"}],"wp:attachment":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/media?parent=8102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/categories?post=8102"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/tags?post=8102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}