{"id":2691,"date":"2016-02-02T17:18:31","date_gmt":"2016-02-02T22:18:31","guid":{"rendered":"http:\/\/blog.espol.edu.ec\/icm00794\/?p=2691"},"modified":"2026-08-18T09:36:24","modified_gmt":"2026-08-18T14:36:24","slug":"3eva2015tii_t3-funciones-matrices-rotar-extraer","status":"publish","type":"post","link":"https:\/\/blog.espol.edu.ec\/algoritmos101\/fp-3eva20\/3eva2015tii_t3-funciones-matrices-rotar-extraer\/","title":{"rendered":"3Eva2015TII_T3 funciones matrices rotar, extraer"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"3EvaIIT2015\">3ra Evaluaci\u00f3n II T\u00e9rmino 2015-2016, Febrero 16, 2016 \/ICM00794<\/h2>\n\n\n\n<p><strong>Tema 3<\/strong>. (25 puntos)<\/p>\n\n\n\n<figure class=\"wp-block-image alignright\"><img loading=\"lazy\" decoding=\"async\" width=\"394\" height=\"221\" src=\"http:\/\/blog.espol.edu.ec\/algoritmos101\/files\/2015\/03\/rotarmatriz.gif\" alt=\"rotar matriz\" class=\"wp-image-1756\" \/><\/figure>\n\n\n\n<p>a. Elabore una funci\u00f3n <code><em><strong>rotando<\/strong><\/em>(<strong><em>matriz<\/em><\/strong>, <strong>k<\/strong>)<\/code> que reciba una matriz de tama\u00f1o <strong>n<\/strong>x<strong>m<\/strong> y realice la rotaci\u00f3n de sus datos con el valor <strong>k<\/strong> de 1, 2 o 3 que corresponden a los m\u00faltiplos de 90\u00b0 de rotaci\u00f3n a la derecha.<\/p>\n\n\n\n<p><strong>Nota<\/strong>: NO use la funci\u00f3n <code>numpy.rot90(m, k)<\/code>, se debe mostrar las operaciones realizadas con los elementos de la matriz para la rotaci\u00f3n<\/p>\n\n\n\n<p>b. Realice una funci\u00f3n <code><em><strong>extraeresquina<\/strong><\/em>(<strong><em>matriz<\/em><\/strong>, <strong>k<\/strong>, <strong><em>t<\/em><\/strong>)<\/code> que dada una matriz, extraiga una parte de la esquina <strong><em>k<\/em><\/strong>, de tama\u00f1o <strong><em>t<\/em><\/strong>.<\/p>\n\n\n\n<p>Los valores de <strong>k<\/strong> corresponden a la esquina de inter\u00e9s:<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-table\"><table><tbody><tr><td>0<\/td><td>superior izquierda<\/td><\/tr><tr><td>1<\/td><td>superior derecha<\/td><\/tr><tr><td>2<\/td><td>inferior derecha<\/td><\/tr><tr><td>3<\/td><td>inferior izquierda<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>Ejemplo:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>matriz = &#091;&#091;0,<strong>4,0<\/strong>],\n          &#091;5,<strong>6,7<\/strong>]]<\/code><\/pre>\n<\/div>\n<\/div>\n\n\n\n<pre class=\"wp-block-code\"><code>&gt;&gt;<strong>extraeresquina<\/strong>(matriz,1,2)\n&#091;&#091;4 0]\n &#091;6 7]]<\/code><\/pre>\n\n\n\n<p><strong>R\u00fabrica<\/strong>: definir funci\u00f3n (5 puntos), literal a dimensi\u00f3n resultante (5 puntos), rotaci\u00f3n (5 puntos), rotar k veces (5 puntos), literal b (5 puntos)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p>Ver matriz en figura \u201creferencia\u201d del tema siguiente.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1144\" height=\"620\" src=\"http:\/\/blog.espol.edu.ec\/algoritmos101\/files\/2015\/03\/codigoQR_zoom.gif\" alt=\"Codigo QR\" class=\"wp-image-1754\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>3ra Evaluaci\u00f3n II T\u00e9rmino 2015-2016, Febrero 16, 2016 \/ICM00794 Tema 3. (25 puntos) a. Elabore una funci\u00f3n rotando(matriz, k) que reciba una matriz de tama\u00f1o nxm y realice la rotaci\u00f3n de sus datos con el valor k de 1, 2 o 3 que corresponden a los m\u00faltiplos de 90\u00b0 de rotaci\u00f3n a la derecha. Nota: [&hellip;]<\/p>\n","protected":false},"author":8043,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"wp-custom-template-entrada-fp-ejercicios","format":"standard","meta":{"footnotes":""},"categories":[122],"tags":[148,155],"class_list":["post-2691","post","type-post","status-publish","format-standard","hentry","category-fp-3eva20","tag-arreglos-matrices","tag-funciones"],"_links":{"self":[{"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/posts\/2691","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/users\/8043"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/comments?post=2691"}],"version-history":[{"count":8,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/posts\/2691\/revisions"}],"predecessor-version":[{"id":25463,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/posts\/2691\/revisions\/25463"}],"wp:attachment":[{"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/media?parent=2691"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/categories?post=2691"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/tags?post=2691"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}