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	<id>https://enciklopedija.cc/index.php?action=history&amp;feed=atom&amp;title=Dijagonala</id>
	<title>Dijagonala - Povijest promjena</title>
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	<updated>2026-07-17T05:59:17Z</updated>
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	<entry>
		<id>https://enciklopedija.cc/index.php?title=Dijagonala&amp;diff=477525&amp;oldid=prev</id>
		<title>WikiSysop: bnz</title>
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		<updated>2022-04-12T23:41:52Z</updated>

		<summary type="html">&lt;p&gt;bnz&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;←Starija inačica&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Inačica od 12. travanj 2022. u 23:41&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Redak 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Redak 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;!--&#039;&#039;&#039;Dijagonala&#039;&#039;&#039;--&amp;gt;&lt;/del&gt;[[Datoteka:Diagonals.svg|mini|desno|250px|Šesterokut s dijagonalama]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Datoteka:Diagonals.svg|mini|desno|250px|Šesterokut s dijagonalama]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Datoteka:Cube diagonals.svg|thumb|desno|Dijagonale kocke s duljinom stranice 1. {{nadcrta|AC&amp;#039;}} (plavo) je prostorna dijagonala duljine {{korijen|3}} dok je {{nadcrta|AC}} (crveno) plošna dijagonala duljine {{korijen|2}}]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Datoteka:Cube diagonals.svg|thumb|desno|Dijagonale kocke s duljinom stranice 1. {{nadcrta|AC&amp;#039;}} (plavo) je prostorna dijagonala duljine {{korijen|3}} dok je {{nadcrta|AC}} (crveno) plošna dijagonala duljine {{korijen|2}}]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>WikiSysop</name></author>
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	<entry>
		<id>https://enciklopedija.cc/index.php?title=Dijagonala&amp;diff=46065&amp;oldid=prev</id>
		<title>WikiSysop: Bot: Automatski unos stranica</title>
		<link rel="alternate" type="text/html" href="https://enciklopedija.cc/index.php?title=Dijagonala&amp;diff=46065&amp;oldid=prev"/>
		<updated>2021-08-21T08:36:06Z</updated>

		<summary type="html">&lt;p&gt;Bot: Automatski unos stranica&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Nova stranica&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;!--&amp;#039;&amp;#039;&amp;#039;Dijagonala&amp;#039;&amp;#039;&amp;#039;--&amp;gt;[[Datoteka:Diagonals.svg|mini|desno|250px|Šesterokut s dijagonalama]]&lt;br /&gt;
[[Datoteka:Cube diagonals.svg|thumb|desno|Dijagonale kocke s duljinom stranice 1. {{nadcrta|AC&amp;#039;}} (plavo) je prostorna dijagonala duljine {{korijen|3}} dok je {{nadcrta|AC}} (crveno) plošna dijagonala duljine {{korijen|2}}]]&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Plošna dijagonala&amp;#039;&amp;#039;&amp;#039; (dija- + [[Grčki jezik|grč.]] γωνία: kut) je [[dužina]] koja spaja dva nesusjedna [[vrh (geometrija)|vrha]] nekog [[mnogokut]]a ili [[poliedar|poliedra]].&amp;lt;ref name=&amp;quot;enciklopedija&amp;quot;&amp;gt;[http://www.enciklopedija.hr/Natuknica.aspx?ID=15086 dijagonala] &amp;lt;small&amp;gt;Hrvatska enciklopedija, pristupljeno 4. siječnja 2014.&amp;lt;/small&amp;gt;&amp;lt;/ref&amp;gt; Iz svakog vrha moguće je povući &amp;#039;&amp;#039;n&amp;#039;&amp;#039; - 3 dijagonala ako je &amp;#039;&amp;#039;n&amp;#039;&amp;#039; broj vrhova jer iz nekog vrha možemo povući dijagonalu do ostalih &amp;#039;&amp;#039;n&amp;#039;&amp;#039; vrhova, osim početnog vrha i njemu susjednih. Mnogokut s &amp;#039;&amp;#039;n&amp;#039;&amp;#039; vrhova ima {{matematika|&amp;#039;&amp;#039;n&amp;#039;&amp;#039; &amp;amp;middot; (&amp;#039;&amp;#039;n&amp;#039;&amp;#039; - 3) / 2}} dijagonala. U uporabi su i izrazi: poprečnica, prečac, prečica, prokutnica&amp;lt;ref&amp;gt;[http://hjp.znanje.hr/index.php?show=search_by_id&amp;amp;id=f1dnWhM%3D&amp;amp;keyword=dijagonala dijagonala] HJP, pristupljeno 4. siječnja 2014.&amp;lt;/ref&amp;gt;. Duljina dijagonale [[kvadrat]]a iznosi {{matematika|&amp;#039;&amp;#039;a&amp;#039;&amp;#039;{{korijen|2}}}} gdje je &amp;#039;&amp;#039;a&amp;#039;&amp;#039; duljina stranice kvadrata.&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Prostorna dijagonala&amp;#039;&amp;#039;&amp;#039; je dužina koja spaja dva vrha [[poliedar|poliedra]] koji ne pripadaju istoj strani.&amp;lt;ref name=&amp;quot;enciklopedija&amp;quot; /&amp;gt; Duljina prostorne dijagonalne [[kocka|kocke]] iznosi {{matematika|&amp;#039;&amp;#039;a&amp;#039;&amp;#039;{{korijen|3}}}} gdje je &amp;#039;&amp;#039;a&amp;#039;&amp;#039; duljina stranice kocke.&lt;br /&gt;
&lt;br /&gt;
== U matrici ==&lt;br /&gt;
&lt;br /&gt;
U [[matrica (matematika)|matrici]] &amp;#039;&amp;#039;n&amp;#039;&amp;#039; × &amp;#039;&amp;#039;n&amp;#039;&amp;#039;, &amp;#039;&amp;#039;glavna dijagonala&amp;#039;&amp;#039; je skup polja od &amp;#039;&amp;#039;1,1&amp;#039;&amp;#039; do &amp;#039;&amp;#039;n,n&amp;#039;&amp;#039;,&amp;lt;ref&amp;gt;{{citiranje weba|url=http://www.mathwords.com/m/main_diagonal.htm|title=Main Diagonal of a Matrix|language=engleski|publisher=Mathwords}}&amp;lt;/ref&amp;gt; a &amp;#039;&amp;#039;sporedna dijagonala&amp;#039;&amp;#039; je skup polja od &amp;#039;&amp;#039;1,n&amp;#039;&amp;#039; do &amp;#039;&amp;#039;n,1&amp;#039;&amp;#039;.&amp;lt;ref&amp;gt;{{citiranje weba|url=http://struna.ihjj.hr/naziv/sporedna-dijagonala-matrice/32630/|title=Sporedna dijagonala matrice|work=Hrvatsko strukovno nazivlje}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;math&amp;gt;\begin{pmatrix}&lt;br /&gt;
 1 &amp;amp; 0 &amp;amp; 0 \\&lt;br /&gt;
 0 &amp;amp; 1 &amp;amp; 0 \\&lt;br /&gt;
 0 &amp;amp; 0 &amp;amp; 1&lt;br /&gt;
\end{pmatrix}&amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
U ovom slučaju polja koja pripadaju glavnoj dijagonali imaju vrijednost 1.&lt;br /&gt;
&lt;br /&gt;
&amp;lt;math&amp;gt;\begin{pmatrix}&lt;br /&gt;
 0 &amp;amp; 0 &amp;amp; 1 \\&lt;br /&gt;
 0 &amp;amp; 1 &amp;amp; 0 \\&lt;br /&gt;
 1 &amp;amp; 0 &amp;amp; 0&lt;br /&gt;
\end{pmatrix}&amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Ovdje polja s vrijednošću 1 pripadaju sporednoj dijagonali.&lt;br /&gt;
&lt;br /&gt;
== Izvori ==&lt;br /&gt;
{{izvori}}&lt;br /&gt;
&lt;br /&gt;
[[Kategorija:Geometrija]]&lt;/div&gt;</summary>
		<author><name>WikiSysop</name></author>
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