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         <title><![CDATA[SISTEME DE ECUATII LINIARE]]></title>
        <description><![CDATA[Sunt aici prezentaţi algoritmii ( la baza cărora stau teoremele Rouch&eacute; şi Kronecker-Capelli ) utilizaţi pentru studierea compatibilităţii unui sistem linar de m ecuaţii cu n necunoscute şi calcularea eventualelor soluţii.]]></description>
        <link>http://www.profesoronline.ro/sisteme_de_ecuatii_liniare.html?axBA2064xABexBA53</link>
        <lastBuildDate>Sun, 15 Jan 2012 22:50:24 +0200</lastBuildDate>
        <pubDate>Sun, 15 Jan 2012 22:50:24 +0200</pubDate>
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					<title><![CDATA[TEORIE]]></title>
					<description><![CDATA[Definitii:1) Fie&nbsp;A = (aij) &euro; Mmn (C) si numerele complexe&nbsp;b1, b2, ... , bm.Sistemul de ecuatii de forma$latex ##begin{cases}a_{11}x_1+a_{12}x_2+...+a_{1n}x_n=b_1####a_{21}x_1+a_{22}x_2+...+a_{2n}x_n=b_2######cdots####a_{m1}x_1+a_{m2}x_2+...+a_{mn}x_n=b_m##end{cases}$ se numeste sis...]]></description>
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					<pubDate>Sun, 11 Jan 2009 00:57:12 +0200</pubDate>
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					<title><![CDATA[EXEMPLUL 1]]></title>
					<description><![CDATA[Suport teoretic:Sistem de ecuatii liniare, teorema lui Rouch&eacute;, rangul matricei sistemului, minor principal, minori caracteristici, ecuatii principale, ecuatii secundare, necunoscute principale, necunoscute secundare, sistem compatibil dublu nedeterminat.Enunt:Sa se rezolve in multimea nume...]]></description>
					<link>http://www.profesoronline.ro/exemplul_1.html?axBA2064xABdxBA2560xABbxBAartDet</link>
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					<pubDate>Sat, 21 Aug 2010 20:15:00 +0300</pubDate>
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					<title><![CDATA[EXEMPLUL 2]]></title>
					<description><![CDATA[Suport teoretic:Sistem liniar omogen, proprietatile logaritmilor.Enunt:Sa se rezolve sistemul liniar si omogen de mai jos, unde 0 &lt; a &lt; 1, b &gt; 1:$latex ##begin{cases}xlog_ab+y+log_ba+z=0####xlog_ab+y+zlog_ba=0####x+ylog_ab+zlog_ba=0##end{cases}.$Raspuns:S = {(0, 0, 0)}.]]></description>
					<link>http://www.profesoronline.ro/exemplul_2.html?axBA2064xABdxBA2623xABbxBAartDet</link>
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					<pubDate>Fri, 05 Nov 2010 21:37:00 +0200</pubDate>
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					<title><![CDATA[EXEMPLUL 3]]></title>
					<description><![CDATA[Suport teoretic:Sisteme liniare, clase de resturi modulo n, corp comutativ, regula lui Cramer.Enunt:Sa se rezolve in multimea claselor de resturi modulo&nbsp;7 urmatorul sistem de ecuatii liniare:$latex ##begin{cases}##hat{2}x+y+##hat{3}z=##hat{1}####x+y+##hat{2}z=##hat{1}######hat{3}x+##hat{2}y+...]]></description>
					<link>http://www.profesoronline.ro/exemplul_3.html?axBA2064xABdxBA2867xABbxBAartDet</link>
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					<pubDate>Thu, 16 Jun 2011 11:11:00 +0300</pubDate>
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					<title><![CDATA[EXEMPLUL 4]]></title>
					<description><![CDATA[Suport teoretic:Sisteme de ecuatii liniare cu parametru, rangul unei matrice, minor principal, minor caracteristic, sisteme incompatibile.&nbsp;Enunt:Sa se rezolve in R&sup3; sistemul de ecuatii liniare$latex ##begin{cases}x-y+az=1####x+y-az=1####ax+y-z=-1####x+y+z=0##end{cases},$ unde parametrul...]]></description>
					<link>http://www.profesoronline.ro/exemplul_4.html?axBA2064xABdxBA2985xABbxBAartDet</link>
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					<pubDate>Sun, 08 Jan 2012 18:17:00 +0200</pubDate>
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