{"id":19740,"date":"2022-09-07T12:25:00","date_gmt":"2022-09-07T15:25:00","guid":{"rendered":"https:\/\/mindthegraph.com\/blog\/?p=16586"},"modified":"2022-10-18T08:39:17","modified_gmt":"2022-10-18T11:39:17","slug":"sigmoid-pattern","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/sl\/sigmoidni-vzorec\/","title":{"rendered":"Kaj je sigmoidni vzorec in tri stopnje krivulje?"},"content":{"rendered":"<p>Ne glede na to, ali gradite lastno nevronsko mre\u017eo ali model rasti kvasovk, je treba razumeti pomen sigmoidnega vzorca ali funkcije. U\u010denje zapletenih problemov je razlo\u017eeno s sigmoidno funkcijo in krivuljami rasti.&nbsp;<\/p>\n\n\n\n<p>Pri merjenju rasti je suha masa bolj dosleden kazalnik rasti. Na\u0161e meritve rasti obi\u010dajno temeljijo na tem, koliko smo zrasli v vi\u0161ino ali pridobili na te\u017ei, saj organizma ne morete preprosto izhlapeti.&nbsp;<\/p>\n\n\n\n<p>Sigmoidne funkcije omogo\u010dajo numeri\u010dno ocenjevanje parametrov, saj so diferencirane. V tem blogu si oglejmo, kaj je sigmoidni vzorec ali funkcija.&nbsp;<\/p>\n\n\n\n<h2><strong><strong><strong><strong><strong>Kaj je vzorec sigme?<\/strong><\/strong><\/strong><\/strong><\/strong><\/h2>\n\n\n\n<p>Pomembno je poudariti, da imajo \u0161tevilni organizmi med svojim \u017eivljenjem ve\u010d razli\u010dnih faz rasti. Za kvantifikacijo tak\u0161nih vzorcev se lahko uporabi merljiva spremenljivka velikosti ali te\u017ee skozi \u010das.&nbsp;<\/p>\n\n\n\n<p>Sigmoidni vzorec se pogosto pojavlja v razmerah, ki so na splo\u0161no konsistentne in kjer spremenljivka nara\u0161\u010da najprej eksponentno, nato linearno in nazadnje asimptoti\u010dno. Pri izrisu krivulje v obliki \u010drke S ali sigmoidne funkcije lahko opazimo, da je ta v obliki \u010drke S.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2022\/08\/population-growth-curve_med.jpeg\"><img decoding=\"async\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2022\/08\/population-growth-curve_med.jpeg\" alt=\"\" class=\"wp-image-16591\"\/><\/a><\/figure><\/div>\n\n\n<p>Normalna porazdelitev je vklju\u010dena v sigmoidne krivulje skupaj s \u0161tevilnimi drugimi kumulativnimi porazdelitvenimi funkcijami. Nevronska mre\u017ea jih uporablja tudi kot aktivacijsko funkcijo.<\/p>\n\n\n\n<h2><strong><strong>Kak\u0161en je pomen sigmoidnega vzorca?<\/strong><\/strong><\/h2>\n\n\n\n<p>Zaradi monotonosti, zveznosti in diferenciacije sigmoidne funkcije ter njene izpeljanke je preprosto oblikovati in posodobiti ena\u010dbe za u\u010denje razli\u010dnih parametrov.&nbsp;<\/p>\n\n\n\n<p>Pri izrisu velikosti populacije v odvisnosti od \u010dasa je mo\u017ena trajektorija rasti prikazana s-krivuljo. Da bi razumeli \u017eivljenjski cikel organizma, moramo upo\u0161tevati ta vidik.&nbsp;<\/p>\n\n\n\n<p>Poleg tega se lahko sigmoidne funkcije uporabljajo v nevronskih mre\u017eah za modeliranje kompleksnih odlo\u010ditvenih funkcij, saj nelinearne funkcije povzro\u010dajo nelinearne omejitve.<\/p>\n\n\n\n<h2><strong><strong>Sigmoidni vzorec je sestavljen iz treh stopenj<\/strong><\/strong><\/h2>\n\n\n\n<p>Krivulja ima tri osnovne faze: pospe\u0161eno fazo\/obdobje, prehodno fazo\/obdobje in plato fazo\/obdobje.<\/p>\n\n\n\n<h3><strong><strong>Eksponentna faza<\/strong><\/strong><\/h3>\n\n\n\n<p>V zgodnjih fazah bi bila rast populacije razmeroma po\u010dasna (obdobje zamika), saj bi bilo malo reproduktivnih osebkov \u0161iroko razpr\u0161enih.&nbsp;<\/p>\n\n\n\n<p>Ker je nataliteta ve\u010dja od mortalitete, se \u0161tevilo prebivalcev nenehno pove\u010duje. Energije je v izobilju, odpornost proti podnebnim spremembam pa je minimalna, zato je stopnja umrljivosti nizka.<\/p>\n\n\n\n<h3><strong><strong>Prehodna faza<\/strong><\/strong><\/h3>\n\n\n\n<p>Zaradi rasti prebivalstva je virov vse manj, kar povzro\u010da boj za pre\u017eivetje. Rast prebivalstva se upo\u010dasni zaradi zmanj\u0161evanja rodnosti in pove\u010devanja umrljivosti.<\/p>\n\n\n\n<h3><strong><strong>Faza Plateau<\/strong><\/strong><\/h3>\n\n\n\n<p>S\u010dasoma bo nara\u0161\u010dajo\u010da stopnja umrljivosti enaka proizvodnji novih organizmov, zato se bo rast prebivalstva ustavila.&nbsp;<\/p>\n\n\n\n<p>Zaradi omejevalnih sil je prebivalstvo preseglo zmo\u017enosti okolja, da bi se spoprijelo z nara\u0161\u010danjem. Verjetno je, da velikost populacije na tej to\u010dki ne bo stalna, temve\u010d bo nihala okoli nosilne zmogljivosti za ohranjanje enakomernega \u0161tevila.<\/p>\n\n\n\n<h2><strong><strong><strong><strong>Ekskluzivna znanstvena vsebina, ki so jo ustvarili znanstveniki&nbsp;<\/strong><\/strong><\/strong><\/strong><\/h2>\n\n\n\n<p>Kako je z va\u0161im dokumentom? Ali ste iskali ilustracije, ki ustrezajo va\u0161i raziskavi? S storitvijo Mind the Graph vam pomagamo.&nbsp;<\/p>\n\n\n\n<p>V knji\u017enici, ki je napolnjena s tiso\u010di ilustracij, lahko izbirate med razli\u010dnimi kategorijami. Z na\u0161im lastnim izdelovalcem plakatov lahko v hipu pripravite fantasti\u010den plakat.&nbsp;<\/p>\n\n\n\n<p>Poleg tega lahko na\u0161i strokovnjaki prilagodijo ilustracije po va\u0161ih \u017eeljah.<\/p>\n\n\n\n<div class=\"is-layout-flex wp-block-buttons\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background\" href=\"https:\/\/mindthegraph.com\/science_figures\" style=\"border-radius:50px;background-color:#dc1866\" target=\"_blank\" rel=\"noreferrer noopener\">Ustvarjanje u\u010dinkovitih znanstvenih figur v nekaj minutah<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:11px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Nevronske sinapse Infografika\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/2DwIBRzuH5A?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>V tem \u010dlanku si oglejmo, kaj je sigmoidni vzorec ali funkcija in vse njihove razli\u010dne stopnje. <\/p>","protected":false},"author":27,"featured_media":19783,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[38],"tags":[554,775,777,909,962],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is a Sigmoid Pattern and The 3 Stages Of The Curve?<\/title>\n<meta name=\"description\" content=\"Let&#039;s take a look at what a sigmoid pattern or function is and all the different stages of them in this article.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mindthegraph.com\/blog\/sl\/sigmoidni-vzorec\/\" \/>\n<meta property=\"og:locale\" content=\"sl_SI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is a Sigmoid Pattern and The 3 Stages Of The Curve?\" \/>\n<meta property=\"og:description\" content=\"Let&#039;s take a look at what a sigmoid pattern or function is and all the different stages of them in this article.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mindthegraph.com\/blog\/sl\/sigmoidni-vzorec\/\" \/>\n<meta property=\"og:site_name\" content=\"Mind the Graph Blog\" \/>\n<meta property=\"article:published_time\" content=\"2022-09-07T15:25:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-10-18T11:39:17+00:00\" \/>\n<meta name=\"author\" content=\"Aayushi Zaveri\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"What is a Sigmoid Pattern and The 3 Stages Of The Curve?\" \/>\n<meta name=\"twitter:description\" content=\"Let&#039;s take a look at what a sigmoid pattern or function is and all the different stages of them in this article.\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Aayushi Zaveri\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"What is a Sigmoid Pattern and The 3 Stages Of The Curve?","description":"Let's take a look at what a sigmoid pattern or function is and all the different stages of them in this article.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/mindthegraph.com\/blog\/sl\/sigmoidni-vzorec\/","og_locale":"sl_SI","og_type":"article","og_title":"What is a Sigmoid Pattern and The 3 Stages Of The Curve?","og_description":"Let's take a look at what a sigmoid pattern or function is and all the different stages of them in this article.","og_url":"https:\/\/mindthegraph.com\/blog\/sl\/sigmoidni-vzorec\/","og_site_name":"Mind the Graph Blog","article_published_time":"2022-09-07T15:25:00+00:00","article_modified_time":"2022-10-18T11:39:17+00:00","author":"Aayushi Zaveri","twitter_card":"summary_large_image","twitter_title":"What is a Sigmoid Pattern and The 3 Stages Of The Curve?","twitter_description":"Let's take a look at what a sigmoid pattern or function is and all the different stages of them in this article.","twitter_misc":{"Written by":"Aayushi Zaveri","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/mindthegraph.com\/blog\/sigmoid-pattern\/","url":"https:\/\/mindthegraph.com\/blog\/sigmoid-pattern\/","name":"What is a Sigmoid Pattern and The 3 Stages Of The Curve?","isPartOf":{"@id":"https:\/\/mindthegraph.com\/blog\/#website"},"datePublished":"2022-09-07T15:25:00+00:00","dateModified":"2022-10-18T11:39:17+00:00","author":{"@id":"https:\/\/mindthegraph.com\/blog\/#\/schema\/person\/bbd0a706ff2842e8aff298830658ddbd"},"description":"Let's take a look at what a sigmoid pattern or function is and all the different stages of them in this article.","breadcrumb":{"@id":"https:\/\/mindthegraph.com\/blog\/sigmoid-pattern\/#breadcrumb"},"inLanguage":"sl-SI","potentialAction":[{"@type":"ReadAction","target":["https:\/\/mindthegraph.com\/blog\/sigmoid-pattern\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/mindthegraph.com\/blog\/sigmoid-pattern\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/mindthegraph.com\/blog\/"},{"@type":"ListItem","position":2,"name":"What is a Sigmoid Pattern and The 3 Stages Of The Curve?"}]},{"@type":"WebSite","@id":"https:\/\/mindthegraph.com\/blog\/#website","url":"https:\/\/mindthegraph.com\/blog\/","name":"Mind the Graph Blog","description":"Your science can be beautiful!","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/mindthegraph.com\/blog\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"sl-SI"},{"@type":"Person","@id":"https:\/\/mindthegraph.com\/blog\/#\/schema\/person\/bbd0a706ff2842e8aff298830658ddbd","name":"Aayushi Zaveri","image":{"@type":"ImageObject","inLanguage":"sl-SI","@id":"https:\/\/mindthegraph.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/b2a0d532f6fba932612a6cef1fc289c0?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/b2a0d532f6fba932612a6cef1fc289c0?s=96&d=mm&r=g","caption":"Aayushi Zaveri"},"description":"Aayushi Zaveri majored in biotechnology engineering. She is currently pursuing a master's degree in Bioentrepreneurship from Karolinska Institute. She is interested in health and diseases, global health, socioeconomic development, and women's health. As a science enthusiast, she is keen in learning more about the scientific world and wants to play a part in making a difference.","sameAs":["http:\/\/linkedin.com\/in\/aayushizaveri"],"url":"https:\/\/mindthegraph.com\/blog\/sl\/author\/aayuyshi\/"}]}},"_links":{"self":[{"href":"https:\/\/mindthegraph.com\/blog\/sl\/wp-json\/wp\/v2\/posts\/19740"}],"collection":[{"href":"https:\/\/mindthegraph.com\/blog\/sl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mindthegraph.com\/blog\/sl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/sl\/wp-json\/wp\/v2\/users\/27"}],"replies":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/sl\/wp-json\/wp\/v2\/comments?post=19740"}],"version-history":[{"count":1,"href":"https:\/\/mindthegraph.com\/blog\/sl\/wp-json\/wp\/v2\/posts\/19740\/revisions"}],"predecessor-version":[{"id":19784,"href":"https:\/\/mindthegraph.com\/blog\/sl\/wp-json\/wp\/v2\/posts\/19740\/revisions\/19784"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/sl\/wp-json\/wp\/v2\/media\/19783"}],"wp:attachment":[{"href":"https:\/\/mindthegraph.com\/blog\/sl\/wp-json\/wp\/v2\/media?parent=19740"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/sl\/wp-json\/wp\/v2\/categories?post=19740"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/sl\/wp-json\/wp\/v2\/tags?post=19740"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}