{"id":1544,"date":"2010-01-23T04:30:00","date_gmt":"2010-01-22T17:30:00","guid":{"rendered":"https:\/\/www.homebrewradio.us\/blog\/2010\/01\/23\/does-math-lead-to-understanding\/"},"modified":"2025-07-21T11:42:50","modified_gmt":"2025-07-21T01:42:50","slug":"does-math-lead-to-understanding","status":"publish","type":"post","link":"https:\/\/www.homebrewradio.us\/blog\/2010\/01\/23\/does-math-lead-to-understanding\/","title":{"rendered":"Does Math Lead to Understanding?"},"content":{"rendered":"<p><a onblur=\"try {parent.deselectBloggerImageGracefully();} catch(e) {}\" href=\"https:\/\/www.homebrewradio.us\/blog\/wp-content\/uploads\/2010\/01\/ArmstrongHeadshotCA.jpg\"><img decoding=\"async\" style=\"margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 175px; height: 225px;\" src=\"https:\/\/www.homebrewradio.us\/blog\/wp-content\/uploads\/2010\/01\/ArmstrongHeadshotCA.jpg\" alt=\"\" id=\"BLOGGER_PHOTO_ID_5429820594788781042\" border=\"0\" \/><\/a><span style=\"font-weight: bold;\">In <a href=\"http:\/\/stores.lulu.com\/store.php?fAcctID=3999032\">&#8220;SolderSmoke &#8212; The Book&#8221; <\/a>I describe the quest for deep understanding of the circuits that we build and use. There is some discussion in the book of the role of mathematics in this quest. A while back a reader e-mailed me on this subject. In the hope of stimulating a discussion, I&#8217;ll present the key paragraph from that e-mail here (the author will, for now, remain anonymous):<\/span><\/p>\n<p><span style=\"color: rgb(0, 0, 153);\">I appreciate your quotes from Feynman, Asimov, etc. about not<br \/>really being able<\/span><span style=\"color: rgb(0, 0, 153);\"> to fully understand everything. As a <\/span><span style=\"color: rgb(0, 0, 153);\" class=\"il\">math<\/span><span style=\"color: rgb(0, 0, 153);\"> teacher<br \/>I can say that one of the <\/span><span style=\"color: rgb(0, 0, 153);\">biggest misunderstandings about <\/span><span style=\"color: rgb(0, 0, 153);\" class=\"il\">math<\/span><span style=\"color: rgb(0, 0, 153);\"><br \/>is that it &#8220;explains&#8221; the phenomena of<\/span> <span style=\"color: rgb(0, 0, 153);\">physics and engineering.<br \/>(Science and <\/span><span style=\"color: rgb(0, 0, 153);\" class=\"il\">math<\/span><span style=\"color: rgb(0, 0, 153);\"> teachers are notorious for saying<\/span> <span style=\"color: rgb(0, 0, 153);\">to a student<br \/>who has just asked a &#8220;why&#8221; question things like, &#8220;well the <\/span><span style=\"color: rgb(0, 0, 153);\" class=\"il\">math<\/span><span style=\"color: rgb(0, 0, 153);\"> is<\/span><br \/><span style=\"color: rgb(0, 0, 153);\">a little bit more complicated than what you can handle right now.<br \/>Wait until<\/span><span style=\"color: rgb(0, 0, 153);\">you have had a year or so of calculus.&#8221;) In reality it&#8217;s<br \/>the exact opposite!<\/span><span style=\"color: rgb(0, 0, 153);\"> The <\/span><span style=\"color: rgb(0, 0, 153);\" class=\"il\">math<\/span><span style=\"color: rgb(0, 0, 153);\"> equations actually hide the answers.<br \/>They are very good at accurately<\/span><span style=\"color: rgb(0, 0, 153);\"> describing phenomena, or at<br \/>predicting what will happen next, but they can never<\/span><span style=\"color: rgb(0, 0, 153);\"> answer the<br \/>question of why one equation works and another does not. We<br \/>get very <\/span><span style=\"color: rgb(0, 0, 153);\">comfortable with allowing the familiar <\/span><span style=\"color: rgb(0, 0, 153);\" class=\"il\">math<\/span><span style=\"color: rgb(0, 0, 153);\"> equations<br \/>to hide our inability to<\/span> <span style=\"color: rgb(0, 0, 153);\">really answer the &#8220;whys.&#8221;<\/p>\n<p><span style=\"color: rgb(0, 0, 0);\"><span style=\"font-weight: bold;\">This really resonated with me. In my effort to get a better grasp of mixer theoy a lot of people seemed to be simply pointing me to the trig equations, and equating a knowledge of those equations with an understanding of how the mixer circuits really work.<\/p>\n<p>Of course, I don&#8217;t mean to be anti-math here, but I thought the e-mail on the limits of mathematics was very interesting.<\/span> <span style=\"font-weight: bold;\">In &#8220;Empire of the Air&#8221; Tom Lewis wrote, &#8220;At Columbia, Edwin Howard Armstrong developed another trait that displeased some of the staff and would annoy others later in life: his distrust of mathematical explanations for phenomena of the physical world. All too often he found his professors taking refuge in such abstractions when faced with a difficult and seemingly intractable conundrum&#8230; Time and again as an undergraduate at Columbia, Armstrong had refused to seek in mathematics a refuge from physical realities.&#8221;<\/span><br \/><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In &#8220;SolderSmoke &#8212; The Book&#8221; I describe the quest for deep understanding of the circuits that we build and use. There is some discussion in the book of the role of mathematics in this quest. A while back a reader e-mailed me on this subject. In the hope of stimulating a discussion, I&#8217;ll present the &hellip; <a href=\"https:\/\/www.homebrewradio.us\/blog\/2010\/01\/23\/does-math-lead-to-understanding\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Does Math Lead to Understanding?&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":1545,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[224,282,34],"tags":[],"class_list":["post-1544","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-armstrong-e-howard","category-mathematics","category-mixer-theory"],"_links":{"self":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/1544","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/comments?post=1544"}],"version-history":[{"count":1,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/1544\/revisions"}],"predecessor-version":[{"id":1546,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/1544\/revisions\/1546"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media\/1545"}],"wp:attachment":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media?parent=1544"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/categories?post=1544"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/tags?post=1544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}