{"id":24,"date":"2025-12-22T23:17:16","date_gmt":"2025-12-22T20:17:16","guid":{"rendered":"https:\/\/blogs.e-me-4all.eu\/Michalis_klk\/?page_id=24"},"modified":"2025-12-22T23:17:16","modified_gmt":"2025-12-22T20:17:16","slug":"training","status":"publish","type":"page","link":"https:\/\/blogs.e-me-4all.eu\/Michalis_klk\/training\/","title":{"rendered":"Training"},"content":{"rendered":"<div>\u0388\u03bd\u03b1 Neural Network \u03bc\u03b1\u03b8\u03b1\u03af\u03bd\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c0\u03b1\u03c1\u03b1\u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1 (training).<\/div>\n<div><\/div>\n<div>\u0392\u03b1\u03c3\u03b9\u03ba\u03ac \u03b2\u03ae\u03bc\u03b1\u03c4\u03b1:<\/div>\n<div>\u2022 \u0394\u03af\u03bd\u03bf\u03c5\u03bc\u03b5 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5 (X) \u03ba\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 (y).<\/div>\n<div>\u2022 \u03a4\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf \u03ba\u03ac\u03bd\u03b5\u03b9 \u03c0\u03c1\u03cc\u03b2\u03bb\u03b5\u03c8\u03b7 (\u0177).<\/div>\n<div>\u2022 \u03a5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c4\u03bf \u03bb\u03ac\u03b8\u03bf\u03c2 (loss).<\/div>\n<div>\u2022 \u039c\u03b5 backpropagation \u03b5\u03bd\u03b7\u03bc\u03b5\u03c1\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c4\u03b1 \u03b2\u03ac\u03c1\u03b7 (weights) \u03ce\u03c3\u03c4\u03b5 \u03c4\u03bf loss \u03bd\u03b1 \u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9.<\/div>\n<div><\/div>\n<div>\u038c\u03c1\u03bf\u03b9 \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03c3\u03c5\u03bd\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2:<\/div>\n<div>\u2022 epoch: \u03ad\u03bd\u03b1 \u03c0\u03ad\u03c1\u03b1\u03c3\u03bc\u03b1 \u03b1\u03c0\u03cc \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1.<\/div>\n<div>\u2022 batch: \u03bc\u03b9\u03ba\u03c1\u03cc \u03ba\u03bf\u03bc\u03bc\u03ac\u03c4\u03b9 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03ac\u03b8\u03b5 \u03c6\u03bf\u03c1\u03ac.<\/div>\n<div>\u2022 learning rate: \u03c0\u03cc\u03c3\u03bf \u03bc\u03b5\u03b3\u03ac\u03bb\u03b1 \u03b2\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03ac\u03bd\u03b5\u03b9 \u03b7 \u03bc\u03ac\u03b8\u03b7\u03c3\u03b7.<\/div>\n<div>\u2022 overfitting: \u03cc\u03c4\u03b1\u03bd \u03b1\u03c0\u03bf\u03c3\u03c4\u03b7\u03b8\u03af\u03b6\u03b5\u03b9 \u03c4\u03b1 training data \u03ba\u03b1\u03b9 \u03b4\u03b5\u03bd \u03b3\u03b5\u03bd\u03b9\u03ba\u03b5\u03cd\u03b5\u03b9.<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0388\u03bd\u03b1 Neural Network \u03bc\u03b1\u03b8\u03b1\u03af\u03bd\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c0\u03b1\u03c1\u03b1\u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1 (training). \u0392\u03b1\u03c3\u03b9\u03ba\u03ac \u03b2\u03ae\u03bc\u03b1\u03c4\u03b1: \u2022 \u0394\u03af\u03bd\u03bf\u03c5\u03bc\u03b5 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b5\u03b9\u03c3\u03cc\u03b4\u03bf\u03c5 (X) \u03ba\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 (y). \u2022 \u03a4\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf \u03ba\u03ac\u03bd\u03b5\u03b9 \u03c0\u03c1\u03cc\u03b2\u03bb\u03b5\u03c8\u03b7 (\u0177). \u2022 \u03a5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c4\u03bf \u03bb\u03ac\u03b8\u03bf\u03c2 (loss). \u2022 \u039c\u03b5 backpropagation \u03b5\u03bd\u03b7\u03bc\u03b5\u03c1\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c4\u03b1 \u03b2\u03ac\u03c1\u03b7 (weights) \u03ce\u03c3\u03c4\u03b5 \u03c4\u03bf &hellip; <\/p>\n<div class=\"more-link-wrapper\"><a href=\"https:\/\/blogs.e-me-4all.eu\/Michalis_klk\/training\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Training&#8221;<\/span><\/a><\/div>\n","protected":false},"author":63269,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-24","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.e-me-4all.eu\/Michalis_klk\/wp-json\/wp\/v2\/pages\/24","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.e-me-4all.eu\/Michalis_klk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.e-me-4all.eu\/Michalis_klk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.e-me-4all.eu\/Michalis_klk\/wp-json\/wp\/v2\/users\/63269"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.e-me-4all.eu\/Michalis_klk\/wp-json\/wp\/v2\/comments?post=24"}],"version-history":[{"count":0,"href":"https:\/\/blogs.e-me-4all.eu\/Michalis_klk\/wp-json\/wp\/v2\/pages\/24\/revisions"}],"wp:attachment":[{"href":"https:\/\/blogs.e-me-4all.eu\/Michalis_klk\/wp-json\/wp\/v2\/media?parent=24"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}