{"id":4076,"date":"2019-08-29T09:40:17","date_gmt":"2019-08-29T14:40:17","guid":{"rendered":"http:\/\/blog.espol.edu.ec\/matg1013\/?p=4076"},"modified":"2025-12-13T03:47:50","modified_gmt":"2025-12-13T08:47:50","slug":"2eva2019ti_t1-esfuerzo-en-pulso-cardiaco","status":"publish","type":"post","link":"https:\/\/blog.espol.edu.ec\/algoritmos101\/mn-2eva20\/2eva2019ti_t1-esfuerzo-en-pulso-cardiaco\/","title":{"rendered":"2Eva2019TI_T1 Esfuerzo en pulso cardiaco"},"content":{"rendered":"\n

2da Evaluaci\u00f3n I T\u00e9rmino 2019-2020. 27\/Agosto\/2019. MATG1013<\/h2>\n\n\n\n
\n

Tema 1<\/strong>. <\/p>\n<\/div>\n\n\n\n

\"Pulso<\/figure>\n\n\n\n

(30 Puntos) La conducci\u00f3n el\u00e9ctrica del coraz\u00f3n se identifica en un electrocardiograma por segmentos de ondas P, R, T.<\/p>\n\n\n\n

Mediante un sensor se obtuvo lecturas de un pulso cardiaco y se requiere obtener una medida del esfuerzo mediante el valor Xrms<\/sub> expresado como:<\/p>\n\n\n X_{rms} = \\sqrt{\\frac{1}{t_n-t_0}\\int_{t_0}^{t_n}[f(t)]^2dt} <\/span>\n\n\n\n

t<\/th>0.0<\/td>0.04<\/td>0.08<\/td>0.1<\/td>0.11<\/td>0.12<\/td>0.13<\/td>0.16<\/td>0.20<\/td>0.23<\/td>0.25<\/td><\/tr>
f(t)<\/th>10<\/td>18<\/td>7<\/td>-8<\/td>110<\/td>-25<\/td>9<\/td>8<\/td>25<\/td>9<\/td>9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

a. Aproxime el valor Xrms<\/sub> usando el integral en todo el intervalo [0,0.25], minimice el error usando preferiblemente m\u00e9todos de Simpson.<\/p>\n\n\n\n

b. Estime la cota de error para el valor Xrms<\/sub> encontrado
Justifique sus respuestas escribiendo todas las expresiones<\/p>\n\n\n\n

R\u00fabrica<\/strong>: literal a, expresiones (16 puntos), valor (8 puntos), literal b (6 puntos)<\/p>\n\n\n\n

\n\n\n\n
t  = [0.0,0.04,0.08,0.1,0.11,0.12,0.13,0.16,0.20, 0.23,0.25]\nft = [10.0, 18, 7, -8, 110, -25, 9, 8, 25, 9, 9]<\/code><\/pre>\n\n\n\n
Referencia<\/strong>: [1] Valor cuadr\u00e1tico medio, https:\/\/es.wikipedia.org\/wiki\/Media_cuadr%C3%A1tica<\/a><\/p>\n\n\n\n
[2] Sensor de pulso cardiaco arduino, http:\/\/blog.espol.edu.ec\/edelros\/pulso-cardiaco\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
2da Evaluaci\u00f3n I T\u00e9rmino 2019-2020. 27\/Agosto\/2019. MATG1013 Tema 1. (30 Puntos) La conducci\u00f3n el\u00e9ctrica del coraz\u00f3n se identifica en un electrocardiograma por segmentos de ondas P, R, T. Mediante un sensor se obtuvo lecturas de un pulso cardiaco y se requiere obtener una medida del esfuerzo mediante el valor Xrms expresado como: t 0.0 0.04 […]<\/p>\n","protected":false},"author":8043,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"wp-custom-template-entrada-mn","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[59],"class_list":["post-4076","post","type-post","status-publish","format-standard","hentry","category-mn-2eva20","tag-integracion-numerica"],"_links":{"self":[{"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/posts\/4076","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/users\/8043"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/comments?post=4076"}],"version-history":[{"count":6,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/posts\/4076\/revisions"}],"predecessor-version":[{"id":17456,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/posts\/4076\/revisions\/17456"}],"wp:attachment":[{"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/media?parent=4076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/categories?post=4076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.espol.edu.ec\/algoritmos101\/wp-json\/wp\/v2\/tags?post=4076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}