{"id":8068,"date":"2023-04-24T06:00:31","date_gmt":"2023-04-24T04:00:31","guid":{"rendered":"http:\/\/www.glc.us.es\/~jalonso\/exercitium\/?p=8068"},"modified":"2023-04-18T13:58:45","modified_gmt":"2023-04-18T11:58:45","slug":"24-abr-23","status":"publish","type":"post","link":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/24-abr-23\/","title":{"rendered":"TAD de los polinomios: Construcci\u00f3n de t\u00e9rminos"},"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   creaTermino :: (Num a, Eq a) => Int -> a -> Polinomio a\n<\/pre>\n<p>tal que (creaTermino n a) es el t\u00e9rmino a*x^n. Por ejemplo,<\/p>\n<pre lang=\"text\">\n   creaTermino 2 5  ==  5*x^2\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)\n\ncreaTermino :: (Num a, Eq a) => Int -> a -> Polinomio a\ncreaTermino n a = consPol n a polCero\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 hypothesis import given\nfrom hypothesis import strategies as st\n\nfrom src.TAD.Polinomio import (Polinomio, consPol, polCero)\n\nA = TypeVar('A', int, float, complex)\n\n# 1\u00aa soluci\u00f3n\n# ===========\n\ndef creaTermino(n: int, a: A) -> Polinomio[A]:\n    return consPol(n, a, polCero())\n\n# 2\u00aa soluci\u00f3n\n# ===========\n\ndef creaTermino2(n: int, a: A) -> Polinomio[A]:\n    r: Polinomio[A] = polCero()\n    return r.consPol(n, a)\n\n# Equivalencia de las definiciones\n# ================================\n\n# La propiedad es\n@given(st.integers(min_value=0, max_value=9),\n       st.integers(min_value=-9, max_value=9))\ndef test_creaTermino(n: int, a: int) -> None:\n    assert creaTermino(n, a) == creaTermino2(n, a)\n\n# La comprobaci\u00f3n es\n#    > poetry run pytest -q Pol_Crea_termino.py\n#    1 passed in 0.21s\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Usando el tipo abstracto de los polinomios, definir la funci\u00f3n creaTermino :: (Num a, Eq a) => Int -> a -> Polinomio a tal que (creaTermino n a) es el t\u00e9rmino a*x^n. Por ejemplo, creaTermino 2 5 == 5*x^2 Soluciones A continuaci\u00f3n se muestran las soluciones en Haskell y las soluciones en Python. Soluciones en&#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\/8068"}],"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=8068"}],"version-history":[{"count":2,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/8068\/revisions"}],"predecessor-version":[{"id":8070,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/posts\/8068\/revisions\/8070"}],"wp:attachment":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/media?parent=8068"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/categories?post=8068"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/exercitium\/wp-json\/wp\/v2\/tags?post=8068"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}