tag:blogger.com,1999:blog-23483102851504961472012-02-16T13:13:59.417-08:00El crecimiento del Tiempo en la Geometría LínealCarlosnoreply@blogger.comBlogger11100tag:blogger.com,1999:blog-2348310285150496147.post-22908740065374732572007-04-30T08:34:00.000-07:002007-04-30T09:08:34.941-07:00<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://bp0.blogger.com/_VWWs6JoXVrI/RjYSxkJyH1I/AAAAAAAAAG0/Mx4PHWIS3-M/s1600-h/escala.JPG"><img style="margin: 0pt 10px 10px 0pt; float: left; cursor: pointer;" src="http://bp0.blogger.com/_VWWs6JoXVrI/RjYSxkJyH1I/AAAAAAAAAG0/Mx4PHWIS3-M/s400/escala.JPG" alt="" id="BLOGGER_PHOTO_ID_5059251874124930898" border="0" /></a><br /><p style="color: rgb(255, 255, 0);" align="justify"><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://bp0.blogger.com/_VWWs6JoXVrI/RjYUXkJyH2I/AAAAAAAAAG8/O1zO4Pcs7wQ/s1600-h/phi%C3%A7.JPG"><img style="margin: 0pt 10px 10px 0pt; float: left; cursor: pointer;" src="http://bp0.blogger.com/_VWWs6JoXVrI/RjYUXkJyH2I/AAAAAAAAAG8/O1zO4Pcs7wQ/s400/phi%C3%A7.JPG" alt="" id="BLOGGER_PHOTO_ID_5059253626471587682" border="0" /></a></p><br /><br /><p style="color: rgb(255, 255, 0);" align="justify"><br /><br /></p><p style="color: rgb(255, 255, 0);" align="justify"><br />La proporción áurea está formulada ya en los <em>Elementos</em> de Euclides (s.-III), en una construcción geométrica denominada <em>División de un segmento en media y extrema razón</em>. La idea es tan simple como perfecta: El todo se divide en dos partes tal que, la razón proporcional entre la parte menor y la mayor, es igual a la existente entre la mayor y el total, es decir, la suma de ambas.</p> <p style="color: rgb(255, 255, 0);" align="justify">El segmento de partida es AB. Para aplicarle la Sección Áurea se le coloca perpendicularmente en un extremo (B) otro segmento que mida exactamente la mitad. Se define así un triángulo rectángulo con los catetos en proporción 1:2. Pues bien, a la hipotenusa se le resta el cateto menor (arco de la derecha) y la diferencia, que llevamos al segmento AB con otro arco, es la sección áurea de éste. La parte menor Bfi es a la mayor Afi como ésta es a la suma AB.</p><br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://bp1.blogger.com/_VWWs6JoXVrI/RjYNI0JyH0I/AAAAAAAAAGs/anE8nHhDRXM/s1600-h/segmento+phi.JPG"><img style="margin: 0pt 10px 10px 0pt; float: left; cursor: pointer;" src="http://bp1.blogger.com/_VWWs6JoXVrI/RjYNI0JyH0I/AAAAAAAAAGs/anE8nHhDRXM/s400/segmento+phi.JPG" alt="" id="BLOGGER_PHOTO_ID_5059245676487122754" border="0" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://bp1.blogger.com/_VWWs6JoXVrI/RjYNF0JyHzI/AAAAAAAAAGk/T07bilB4sr0/s1600-h/segmento+phi2.JPG"><img style="margin: 0pt 10px 10px 0pt; float: left; cursor: pointer;" src="http://bp1.blogger.com/_VWWs6JoXVrI/RjYNF0JyHzI/AAAAAAAAAGk/T07bilB4sr0/s400/segmento+phi2.JPG" alt="" id="BLOGGER_PHOTO_ID_5059245624947515186" border="0" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://bp0.blogger.com/_VWWs6JoXVrI/RjYNBkJyHyI/AAAAAAAAAGc/uEZiLWkDmFg/s1600-h/segmento+phi2.2.JPG"><img style="margin: 0pt 10px 10px 0pt; 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