Se llama entorno de centro a y radio r<\/strong>, y se denota por E_{r<\/sub>(a)<\/strong> o E(a,r)<\/strong>, al intervalo abierto (a-r, a+r).<\/strong><\/p>\n}

E_{r<\/sub>(a) = (a-r, a+r)<\/strong><\/p>\n}

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

Los entornos se expresan con ayuda del valor absoluto.<\/p>\n

E_{r<\/sub>(0) = (-r, r)<\/strong> se expresa también |x| < r<\/strong>, o bien, -r < x < r<\/strong>.<\/p>\n}

E_{r<\/sub>(a) = (a-r, a+r)<\/strong> se expresa también |x-a| < r<\/strong>, o bien, a a-r < x < a+r<\/strong>. <\/p>\n}

Entornos laterales:<\/h2>\n
Por la izquierda<\/p>\n
E_{r<\/sub>(a^{-<\/sup>) = (a-r, a]<\/strong><\/p>\n}}
$\"Explicaciones$ <\/p>\n
Por la derecha <\/p>\n
E_{r<\/sub>(a^{+<\/sup>) = [a, a+r)<\/strong><\/p>\n}}
$\"Explicaciones$ <\/p>\n
Entorno reducido <\/h2>\n
Se emplea cuando se quiere saber qué pasa en las proximidades del punto, sin que interese lo que ocurre en dicho punto. <\/p>\n
**E_{r<\/sub>^{*<\/sup>(a) = { x (a-r, a+r), x \u2260 a} <\/strong><\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"}}**
Se llama entorno de centro a y radio r, y se denota por Er(a) o E(a,r), al intervalo abierto (a-r, a+r). Er(a) = (a-r, a+r) Los entornos se expresan con ayuda del valor absoluto. Er(0) = (-r, r) se expresa también |x| < r, o bien, -r < x < r. Er(a) = (a-r, a+r) […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","advgb_blocks_editor_width":"","advgb_blocks_columns_visual_guide":"","footnotes":""},"categories":[377],"tags":[375],"class_list":["post-115780","post","type-post","status-publish","format-standard","hentry","category-aritmetica","tag-e"],"acf":[],"author_meta":{"display_name":"Andra","author_link":"https:\/\/www.superprof.es\/diccionario\/author\/andra"},"featured_img":null,"coauthors":[],"tax_additional":{"categories":{"linked":["Aritm\u00e9tica<\/a>"],"unlinked":["Aritm\u00e9tica<\/span>"]},"tags":{"linked":["e<\/a>"],"unlinked":["e<\/span>"]}},"comment_count":"0","relative_dates":{"created":"Publicado 6 a\u00f1os hace","modified":"Actualizado 6 a\u00f1os hace"},"absolute_dates":{"created":"Publicado el 29 enero 2020","modified":"Actualizado el 29 enero 2020"},"absolute_dates_time":{"created":"Publicado el 29 enero 2020 18 h 21 min","modified":"Actualizado el 29 enero 2020 18 h 21 min"},"featured_img_caption":"","series_order":"","_links":{"self":[{"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/posts\/115780","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/comments?post=115780"}],"version-history":[{"count":0,"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/posts\/115780\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/media?parent=115780"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/categories?post=115780"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.superprof.es\/diccionario\/wp-json\/wp\/v2\/tags?post=115780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}