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        <dc:date>2011-06-21T03:56:51+00:00</dc:date>
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        <title>pi</title>
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        <description>Estimação de pi por simulação

Simulação em quadrado/circulo

Agulha de Buffon

Diferentes abordagens para a estimativa de π através do experimento da agulha de Buffon, realizadas pelos participantes do curso:

Éder


buffon.eder &lt;- function(n,l=1,a=1){
    if(a&lt;l){cat('Erro: a &lt; l, deve ser a &gt; l\n')}
    if(a&gt;=l){
        theta &lt;- runif(n,0,pi)
        dist &lt;- runif(n,0,a/2)
        inter &lt;- sum(dist &lt;= l/2*sin(theta))
        phi_est &lt;- round((n/inter)*(2*l/a),12)
        cat('Número Simulaçã…</description>
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