{"id":25305,"date":"2022-11-26T04:04:34","date_gmt":"2022-11-26T03:04:34","guid":{"rendered":"https:\/\/xmau.com\/wp\/notiziole\/?p=25305"},"modified":"2022-11-24T15:11:03","modified_gmt":"2022-11-24T14:11:03","slug":"journey-from-natural-numbers-to-complex-numbers","status":"publish","type":"post","link":"https:\/\/xmau.com\/notiziole\/2022\/11\/26\/journey-from-natural-numbers-to-complex-numbers\/","title":{"rendered":"<em>Journey from Natural Numbers to Complex Numbers<\/em>"},"content":{"rendered":"<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/xmau.com\/notiziole\/wp-content\/uploads\/sites\/6\/2022\/11\/9780367613334.jpg?resize=121%2C200&#038;ssl=1\" alt=\"\" width=\"121\" height=\"200\" class=\"alignleft size-full wp-image-25306\" \/> Un punto positivo di questo libretto \u00e8 la ricerca di esempi della vita reale, e non semplicemente dalla necessit\u00e0 di completare le operazioni, per spiegare come mai il sistema numerico \u00e8 stato ampliato dai numeri naturali agli interi ai razionali. (Il passaggio agli interi con il dare e avere \u00e8 tra l&#8217;altro tipicamente indiano: i numeri negativi sono nati proprio in questo modo). A parte questo, per\u00f2, ho trovato il libro piuttosto confusionario, mischiando livelli diversi; non lo consiglierei per capire come si \u00e8 arrivati ai complessi.<\/p>\n<p>(Nita H. Shah e Vishnuprasad D. Thakkar, <a href=\"https:\/\/amzn.to\/3eERFSH\"><em>Journey from Natural Numbers to Complex Numbers <\/em><\/a>, CRC Press 2020, pag. 80, &euro; 11.84, ISBN 9781003105244 )<br \/>\nVoto: 2\/5 <\/p>\n","protected":false},"excerpt":{"rendered":"<p>approccio abbastanza confusionario<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":3,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"","footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[950,534],"tags":[],"class_list":["post-25305","post","type-post","status-publish","format-standard","hentry","category-rec-2022","category-recensioni"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/phh2yV-6A9","jetpack-related-posts":[{"id":25367,"url":"https:\/\/xmau.com\/notiziole\/2022\/12\/03\/from-natural-numbers-to-quaternionsebook\/","url_meta":{"origin":25305,"position":0},"title":"From Natural Numbers to Quaternions(ebook)","author":".mau.","date":"2022-12-03","format":false,"excerpt":"approccio algebrico","rel":"","context":"In &quot;rec-2022&quot;","block_context":{"text":"rec-2022","link":"https:\/\/xmau.com\/notiziole\/category\/recensioni\/rec-2022\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/xmau.com\/notiziole\/wp-content\/uploads\/sites\/6\/2022\/12\/97833319694276.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":19882,"url":"https:\/\/xmau.com\/notiziole\/2020\/02\/01\/where-do-numbers-come-from-libro\/","url_meta":{"origin":25305,"position":1},"title":"Where do numbers come from? (libro)","author":".mau.","date":"2020-02-01","format":false,"excerpt":"Come rileggere la matematica","rel":"","context":"In &quot;rec-2020&quot;","block_context":{"text":"rec-2020","link":"https:\/\/xmau.com\/notiziole\/category\/recensioni\/recensioni-2020\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/xmau.com\/notiziole\/wp-content\/uploads\/sites\/6\/2020\/01\/9781108738385.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":33014,"url":"https:\/\/xmau.com\/notiziole\/2025\/07\/09\/numbers-for-masochists\/","url_meta":{"origin":25305,"position":2},"title":"Numbers for Masochists","author":".mau.","date":"2025-07-09","format":false,"excerpt":"Non vi \u00e8 mai venuta voglia di fattorizzare numeri a mente?","rel":"","context":"In &quot;mate-light-2025&quot;","block_context":{"text":"mate-light-2025","link":"https:\/\/xmau.com\/notiziole\/category\/matematica_light\/matelight-2025\/"},"img":{"alt_text":"ho perso","src":"https:\/\/i0.wp.com\/xmau.com\/notiziole\/wp-content\/uploads\/sites\/6\/2025\/07\/isthisprime.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":22305,"url":"https:\/\/xmau.com\/notiziole\/2021\/06\/05\/an-illustrated-theory-of-numbers-libro\/","url_meta":{"origin":25305,"position":3},"title":"An Illustrated Theory of Numbers (libro)","author":".mau.","date":"2021-06-05","format":false,"excerpt":"Approccio non convenzionale","rel":"","context":"In &quot;rec-2021&quot;","block_context":{"text":"rec-2021","link":"https:\/\/xmau.com\/notiziole\/category\/recensioni\/recensioni-2021\/"},"img":{"alt_text":"[copertina]","src":"https:\/\/i0.wp.com\/xmau.com\/notiziole\/wp-content\/uploads\/sites\/6\/2021\/06\/9781470434939.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":32220,"url":"https:\/\/xmau.com\/notiziole\/2025\/04\/26\/from-counting-to-continuum-libro\/","url_meta":{"origin":25305,"position":4},"title":"From Counting to Continuum (libro)","author":".mau.","date":"2025-04-26","format":false,"excerpt":"Ancora un modo per vedere come si costruiscono i numeri, e ancora nuove idee.","rel":"","context":"In &quot;rec-2025&quot;","block_context":{"text":"rec-2025","link":"https:\/\/xmau.com\/notiziole\/category\/recensioni\/recensioni-2025\/"},"img":{"alt_text":"copertina","src":"https:\/\/i0.wp.com\/xmau.com\/notiziole\/wp-content\/uploads\/sites\/6\/2025\/04\/9781009538671.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":29471,"url":"https:\/\/xmau.com\/notiziole\/2024\/08\/10\/fibonacci-numbers-and-the-golden-ratio-ebook\/","url_meta":{"origin":25305,"position":5},"title":"Fibonacci Numbers and the Golden Ratio (ebook)","author":".mau.","date":"2024-08-10","format":false,"excerpt":"Interessanti soprattutto gli esercizi","rel":"","context":"In &quot;rec-2024&quot;","block_context":{"text":"rec-2024","link":"https:\/\/xmau.com\/notiziole\/category\/recensioni\/recensioni-2024\/"},"img":{"alt_text":"copertina","src":"https:\/\/i0.wp.com\/xmau.com\/notiziole\/wp-content\/uploads\/sites\/6\/2024\/08\/9788740315592.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]}],"jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/xmau.com\/notiziole\/wp-json\/wp\/v2\/posts\/25305","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xmau.com\/notiziole\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xmau.com\/notiziole\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xmau.com\/notiziole\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xmau.com\/notiziole\/wp-json\/wp\/v2\/comments?post=25305"}],"version-history":[{"count":2,"href":"https:\/\/xmau.com\/notiziole\/wp-json\/wp\/v2\/posts\/25305\/revisions"}],"predecessor-version":[{"id":25308,"href":"https:\/\/xmau.com\/notiziole\/wp-json\/wp\/v2\/posts\/25305\/revisions\/25308"}],"wp:attachment":[{"href":"https:\/\/xmau.com\/notiziole\/wp-json\/wp\/v2\/media?parent=25305"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xmau.com\/notiziole\/wp-json\/wp\/v2\/categories?post=25305"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xmau.com\/notiziole\/wp-json\/wp\/v2\/tags?post=25305"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}