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January 15, 2023 15:58
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<?xml version="1.0" encoding="UTF-8"?> | |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN" "http://www.w3.org/Math/DTD/mathml2/xhtml-math11-f.dtd"> | |
<html xmlns="http://www.w3.org/1999/xhtml"> | |
<head> | |
<meta name="GENERATOR" content="LyX 2.3.7" /> | |
<meta http-equiv="Content-type" content="text/html;charset=UTF-8" /> | |
<title>Autovalores desde endomorfismo</title> | |
<style type='text/css'> | |
/* Layout-provided Styles */ | |
h1.title { | |
font-size: x-large; | |
margin-bottom: 1ex; | |
text-align: center; | |
} | |
div.standard { | |
margin-bottom: 2ex; | |
} | |
div.plain_layout { | |
text-align: left; | |
} | |
div.Shadowbox { border: solid gray medium; border-bottom: solid black 1ex; border-right: solid black 1ex; padding: 0.5ex; } | |
</style> | |
</head> | |
<body dir="auto"> | |
<h1 class="title" id='magicparlabel-1'>Autovalores desde endomorfismo</h1> | |
<div class="standard" id='magicparlabel-2'>Sea el endomorfismo de <math xmlns="http://www.w3.org/1998/Math/MathML"> | |
<mrow> | |
<msup> | |
<mrow> | |
<mstyle mathvariant='double-struck'><mi>R</mi> | |
</mstyle> | |
</mrow> | |
<mrow><mn>3</mn> | |
</mrow> | |
</msup> | |
</mrow></math>en <math xmlns="http://www.w3.org/1998/Math/MathML"> | |
<mrow> | |
<msup> | |
<mrow> | |
<mstyle mathvariant='double-struck'><mi>R</mi> | |
</mstyle> | |
</mrow> | |
<mrow><mn>3</mn> | |
</mrow> | |
</msup> | |
</mrow></math> definido por: <math display="block" xmlns="http://www.w3.org/1998/Math/MathML"> | |
<mrow> | |
<mrow><mi>f</mi><mo form='prefix' fence='true' stretchy='true' symmetric='true'>(</mo> | |
<mrow><mi>x</mi><mo>,</mo><mi>y</mi><mo>,</mo><mi>z</mi> | |
</mrow> | |
<mo form='postfix' fence='true' stretchy='true' symmetric='true'>)</mo> | |
<mo>=</mo><mo form='prefix' fence='true' stretchy='true' symmetric='true'>(</mo> | |
<mrow> | |
<mover> | |
<mrow> | |
<mrow><mi>x</mi><mo>+</mo><mi>y</mi><mo>+</mo><mi>z</mi> | |
</mrow> | |
</mrow><mo stretchy="true">⏞</mo> | |
</mover><mo>,</mo> | |
<munder> | |
<mrow> | |
<mrow><mn>2</mn><mi>y</mi><mo>+</mo><mi>z</mi> | |
</mrow> | |
</mrow><mo stretchy="true">⏟</mo> | |
</munder><mo>,</mo> | |
<mover> | |
<mrow> | |
<mrow><mn>3</mn><mi>z</mi> | |
</mrow> | |
</mrow><mo stretchy="true">⏞</mo> | |
</mover> | |
</mrow> | |
<mo form='postfix' fence='true' stretchy='true' symmetric='true'>)</mo> | |
<mo>,</mo> | |
</mrow> | |
</mrow></math></div> | |
<div class="standard" id='magicparlabel-89'>calcule sus autovalores.</div> | |
<div class="standard" id='magicparlabel-97'><hr /> | |
</div> | |
<div class="standard" id='magicparlabel-120'>Reexpresamos en endomorfismo con suma de vectores:<math display="block" xmlns="http://www.w3.org/1998/Math/MathML"> | |
<mrow> | |
<mrow><mi>f</mi><mo form='prefix' fence='true' stretchy='true' symmetric='true'>(</mo> | |
<mrow><mi>x</mi><mo>,</mo><mi>y</mi><mo>,</mo><mi>z</mi> | |
</mrow> | |
<mo form='postfix' fence='true' stretchy='true' symmetric='true'>)</mo> | |
<mo>=</mo><mo form='prefix' fence='true' stretchy='true' symmetric='true'>(</mo> | |
<mrow><mn>1</mn><mo>,</mo><mn>0</mn><mo>,</mo><mn>0</mn> | |
</mrow> | |
<mo form='postfix' fence='true' stretchy='true' symmetric='true'>)</mo> | |
<mo>+</mo><mo form='prefix' fence='true' stretchy='true' symmetric='true'>(</mo> | |
<mrow><mn>1</mn><mo>,</mo><mn>2</mn><mo>,</mo><mn>0</mn> | |
</mrow> | |
<mo form='postfix' fence='true' stretchy='true' symmetric='true'>)</mo> | |
<mo>+</mo><mo form='prefix' fence='true' stretchy='true' symmetric='true'>(</mo> | |
<mrow><mn>1</mn><mo>,</mo><mn>1</mn><mo>,</mo><mn>3</mn> | |
</mrow> | |
<mo form='postfix' fence='true' stretchy='true' symmetric='true'>)</mo> | |
<mo>,</mo> | |
</mrow> | |
</mrow></math></div> | |
<div class="standard" id='magicparlabel-185'>de manera que podemos expresarlo matricialmente como <math xmlns="http://www.w3.org/1998/Math/MathML"> | |
<mrow><mi>F</mi> | |
</mrow></math>:</div> | |
<div class="standard" id='magicparlabel-198'><math display="block" xmlns="http://www.w3.org/1998/Math/MathML"> | |
<mrow> | |
<mrow><mi>F</mi><mo>=</mo><mo form='prefix' fence='true' stretchy='true' symmetric='true' lspace='thinmathspace'>(</mo> | |
<mtable> | |
<mtr> | |
<mtd><mn>1</mn> | |
</mtd> | |
<mtd><mn>0</mn> | |
</mtd> | |
<mtd><mn>0</mn> | |
</mtd> | |
</mtr> | |
<mtr> | |
<mtd><mn>1</mn> | |
</mtd> | |
<mtd><mn>2</mn> | |
</mtd> | |
<mtd><mn>0</mn> | |
</mtd> | |
</mtr> | |
<mtr> | |
<mtd><mn>1</mn> | |
</mtd> | |
<mtd><mn>1</mn> | |
</mtd> | |
<mtd><mn>3</mn> | |
</mtd> | |
</mtr> | |
</mtable><mo form='postfix' fence='true' stretchy='true' symmetric='true' lspace='thinmathspace'>)</mo><mn>.</mn> | |
</mrow> | |
</mrow></math></div> | |
<div class="standard" id='magicparlabel-206'>Los autovalores de <math xmlns="http://www.w3.org/1998/Math/MathML"> | |
<mrow><mi>F</mi> | |
</mrow></math>:</div> | |
<div class="standard" id='magicparlabel-218'><math display="block" xmlns="http://www.w3.org/1998/Math/MathML"> | |
<mrow> | |
<mi>⋯ | |
</mi> | |
</mrow></math></div> | |
<div class="standard" id='magicparlabel-222'>De manera que el resultado es:</div> | |
<div class="standard" id='magicparlabel-225'><div class='Shadowbox'><div class="plain_layout" id='magicparlabel-260'><math display="block" xmlns="http://www.w3.org/1998/Math/MathML"> | |
<mrow> | |
<mrow> | |
<msub> | |
<mrow><mi> λ </mi> | |
</mrow> | |
<mrow><mn>1</mn> | |
</mrow> | |
</msub><mo>=</mo><mn>3</mn><mo>,</mo><mspace width="40px" /> | |
<msub> | |
<mrow><mi> λ </mi> | |
</mrow> | |
<mrow><mn>2</mn> | |
</mrow> | |
</msub><mo>=</mo><mn>2</mn><mo>,</mo><mspace width="40px" /> | |
<msub> | |
<mrow><mi> λ </mi> | |
</mrow> | |
<mrow><mn>3</mn> | |
</mrow> | |
</msub><mo>=</mo><mn>1</mn> | |
</mrow> | |
</mrow></math></div> | |
</div></div> | |
</body> | |
</html> |
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