<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[RSS Feed]]></title><description><![CDATA[RSS Feed]]></description><link>https://ecency.com</link><image><url>https://ecency.com/logo512.png</url><title>RSS Feed</title><link>https://ecency.com</link></image><generator>RSS for Node</generator><lastBuildDate>Tue, 30 Jun 2026 21:38:24 GMT</lastBuildDate><atom:link href="https://ecency.com/created/kronecker-product/rss.xml" rel="self" type="application/rss+xml"/><item><title><![CDATA[用张量积构造正交超立方存在的缺陷]]></title><description><![CDATA[作者 : 贺深泽 设 X 是 n×m 阵列, Y 是 u×v 阵列，它们的张量积(Kronecker product)定义为一个 nu×mv 阵列。 Z=X⊗Y=(xijY|i=1,2,...,n; j=1,2,...m) 即 x11Y,x12Y,...,x1mY x21Y,x22Y,...,x2mY ...,...,..., xn1Y,xn2Y,...,xnmY]]></description><link>https://ecency.com/@shenzehe/6diznd</link><guid isPermaLink="true">https://ecency.com/@shenzehe/6diznd</guid><category><![CDATA[ohc]]></category><dc:creator><![CDATA[shenzehe]]></dc:creator><pubDate>Wed, 18 Jul 2018 00:53:57 GMT</pubDate><enclosure url="https://i.ecency.com/p/54TLbcUcnRm3sWQK3HKkuAMedF1JSX7yKgEqYjnyTKPwrcNQzk9DqQ19hbjN7jNKSeX6KLBgYA78xfrPBwLH5SRLRTrUbd2PLbo5QrvoJ9LZzdsja5uBVYY5STLPtc2xTFyobS7SW?format=match&amp;mode=fit" length="0" type="false"/></item></channel></rss>