{"version":2,"relationshipURLBase":"https://codingai-lec03.pages.dev/course/notebook-blocks/79ba67e8303e4c129fed9fa65769fee6.html","relationshipResolution":"Resolve relative relationship URLs against relationshipURLBase; complete records and absolute URLs are in blocks.","title":"中心确实经过优化产生，评价时只分配给冻结中心","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/79ba67e8303e4c129fed9fa65769fee6.html","markdown":"https://codingai-lec03.pages.dev/course/notebook-blocks/79ba67e8303e4c129fed9fa65769fee6.md","pages":[{"id":"reading-opening","title":"中心确实经过优化产生，评价时只分配给冻结中心","unit":"中心确实经过优化产生，评价时只分配给冻结中心","unitId":"notebook-blocks/79ba67e8303e4c129fed9fa65769fee6","chapter":"course","number":1}],"aliases":[{"oldId":"b-193333ae9ea81b8705f80997","targetId":"b-193333ae9ea81b8705f80997","page":"reading-opening","operation":"move","beforeSHA256":"b3bb3626e5e17c0995867f42bedbcb72020e0decf77093d796851d5f10c78af6","afterSHA256":"b3bb3626e5e17c0995867f42bedbcb72020e0decf77093d796851d5f10c78af6","reason":"Same source body in authored semantic page"},{"oldId":"b-875df7f5eedd0244dc271436","targetId":"b-875df7f5eedd0244dc271436","page":"reading-opening","operation":"move","beforeSHA256":"f047e01de9bef2a71983ca5785221f514b43676c270d40a36d7cef8d4886a5b9","afterSHA256":"f047e01de9bef2a71983ca5785221f514b43676c270d40a36d7cef8d4886a5b9","reason":"Same source body in authored semantic page"},{"oldId":"b-7b389d1a4cc4927162987515","targetId":"b-7b389d1a4cc4927162987515","page":"reading-opening","operation":"move","beforeSHA256":"e91f24e4e4ca40e2099a0d81d30db6568f4bf2074b499eeee6e3959617bd97ac","afterSHA256":"e91f24e4e4ca40e2099a0d81d30db6568f4bf2074b499eeee6e3959617bd97ac","reason":"Same source body in authored semantic page"},{"oldId":"b-ba59471b2e21d488ad87c7f7","targetId":"b-ba59471b2e21d488ad87c7f7","page":"reading-opening","operation":"move","beforeSHA256":"74f0ef9a0e12c18b5c762e1998a58610fd064887211de86861e624d8f17a1e93","afterSHA256":"74f0ef9a0e12c18b5c762e1998a58610fd064887211de86861e624d8f17a1e93","reason":"Same source body in authored semantic page"},{"oldId":"b-bb373696059e28736157ed58","targetId":"b-bb373696059e28736157ed58","page":"reading-opening","operation":"move","beforeSHA256":"c8a3337ee3ac32bf969ea9eed7cd58be7c0d944d98b65e9562b96957f76ecd37","afterSHA256":"c8a3337ee3ac32bf969ea9eed7cd58be7c0d944d98b65e9562b96957f76ecd37","reason":"Same source body in authored semantic page"},{"oldId":"b-ee7755185f33fdcacc26a89a","targetId":"b-ee7755185f33fdcacc26a89a","page":"reading-opening","operation":"move","beforeSHA256":"676ed57890182e9efd0f6ff96d6214ab605b80c23d26af5628e0296658ce85a4","afterSHA256":"676ed57890182e9efd0f6ff96d6214ab605b80c23d26af5628e0296658ce85a4","reason":"Same source body in authored semantic page"}],"blocks":[{"id":"b-193333ae9ea81b8705f80997","type":"p","scope":"document","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/79ba67e8303e4c129fed9fa65769fee6.html#b-193333ae9ea81b8705f80997","content":"[LAB 05 · 像素 patch 词典：拟合与重建](/course/notebooks/de39b998077f44cca4b8407085547766.html)","sha256":"b3bb3626e5e17c0995867f42bedbcb72020e0decf77093d796851d5f10c78af6","chapter":{"id":"course","title":"中心确实经过优化产生，评价时只分配给冻结中心"},"unit":{"id":"notebook-blocks/79ba67e8303e4c129fed9fa65769fee6","title":"中心确实经过优化产生，评价时只分配给冻结中心"},"page":{"id":"reading-opening","title":"中心确实经过优化产生，评价时只分配给冻结中心","number":1},"sectionTitle":"中心确实经过优化产生，评价时只分配给冻结中心","currentQuestion":"中心确实经过优化产生，评价时只分配给冻结中心","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":null,"nextBlock":"b-875df7f5eedd0244dc271436","prerequisites":[],"relatedBlocks":[]},{"id":"b-875df7f5eedd0244dc271436","type":"h1","scope":"document","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/79ba67e8303e4c129fed9fa65769fee6.html#b-875df7f5eedd0244dc271436","content":"# 中心确实经过优化产生，评价时只分配给冻结中心","sha256":"f047e01de9bef2a71983ca5785221f514b43676c270d40a36d7cef8d4886a5b9","chapter":{"id":"course","title":"中心确实经过优化产生，评价时只分配给冻结中心"},"unit":{"id":"notebook-blocks/79ba67e8303e4c129fed9fa65769fee6","title":"中心确实经过优化产生，评价时只分配给冻结中心"},"page":{"id":"reading-opening","title":"中心确实经过优化产生，评价时只分配给冻结中心","number":1},"sectionTitle":"中心确实经过优化产生，评价时只分配给冻结中心","currentQuestion":"中心确实经过优化产生，评价时只分配给冻结中心","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-193333ae9ea81b8705f80997","nextBlock":"b-7b389d1a4cc4927162987515","prerequisites":[{"id":"b-193333ae9ea81b8705f80997","url":"#b-193333ae9ea81b8705f80997","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-7b389d1a4cc4927162987515","type":"p","scope":"document","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/79ba67e8303e4c129fed9fa65769fee6.html#b-7b389d1a4cc4927162987515","content":"按问题继续","sha256":"e91f24e4e4ca40e2099a0d81d30db6568f4bf2074b499eeee6e3959617bd97ac","chapter":{"id":"course","title":"中心确实经过优化产生，评价时只分配给冻结中心"},"unit":{"id":"notebook-blocks/79ba67e8303e4c129fed9fa65769fee6","title":"中心确实经过优化产生，评价时只分配给冻结中心"},"page":{"id":"reading-opening","title":"中心确实经过优化产生，评价时只分配给冻结中心","number":1},"sectionTitle":"中心确实经过优化产生，评价时只分配给冻结中心","currentQuestion":"中心确实经过优化产生，评价时只分配给冻结中心","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-875df7f5eedd0244dc271436","nextBlock":"b-ba59471b2e21d488ad87c7f7","prerequisites":[{"id":"b-875df7f5eedd0244dc271436","url":"#b-875df7f5eedd0244dc271436","role":"section-title"},{"id":"b-193333ae9ea81b8705f80997","url":"#b-193333ae9ea81b8705f80997","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-ba59471b2e21d488ad87c7f7","type":"p","scope":"document","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/79ba67e8303e4c129fed9fa65769fee6.html#b-ba59471b2e21d488ad87c7f7","content":"真实MNIST patch的Lloyd拟合、词典中心、保留误差与历史输出","sha256":"74f0ef9a0e12c18b5c762e1998a58610fd064887211de86861e624d8f17a1e93","chapter":{"id":"course","title":"中心确实经过优化产生，评价时只分配给冻结中心"},"unit":{"id":"notebook-blocks/79ba67e8303e4c129fed9fa65769fee6","title":"中心确实经过优化产生，评价时只分配给冻结中心"},"page":{"id":"reading-opening","title":"中心确实经过优化产生，评价时只分配给冻结中心","number":1},"sectionTitle":"中心确实经过优化产生，评价时只分配给冻结中心","currentQuestion":"中心确实经过优化产生，评价时只分配给冻结中心","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-7b389d1a4cc4927162987515","nextBlock":"b-bb373696059e28736157ed58","prerequisites":[{"id":"b-875df7f5eedd0244dc271436","url":"#b-875df7f5eedd0244dc271436","role":"section-title"},{"id":"b-193333ae9ea81b8705f80997","url":"#b-193333ae9ea81b8705f80997","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-bb373696059e28736157ed58","type":"p","scope":"document","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/79ba67e8303e4c129fed9fa65769fee6.html#b-bb373696059e28736157ed58","content":"中心确实经过优化产生，评价时只分配给冻结中心。训练距离下降不证明它保留了类别信息。训练时排除近空白 patch，保留评价包含全部 patch，两项误差的权重不同，不能直接相减当泛化间距。","sha256":"c8a3337ee3ac32bf969ea9eed7cd58be7c0d944d98b65e9562b96957f76ecd37","chapter":{"id":"course","title":"中心确实经过优化产生，评价时只分配给冻结中心"},"unit":{"id":"notebook-blocks/79ba67e8303e4c129fed9fa65769fee6","title":"中心确实经过优化产生，评价时只分配给冻结中心"},"page":{"id":"reading-opening","title":"中心确实经过优化产生，评价时只分配给冻结中心","number":1},"sectionTitle":"中心确实经过优化产生，评价时只分配给冻结中心","currentQuestion":"中心确实经过优化产生，评价时只分配给冻结中心","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-ba59471b2e21d488ad87c7f7","nextBlock":"b-ee7755185f33fdcacc26a89a","prerequisites":[{"id":"b-875df7f5eedd0244dc271436","url":"#b-875df7f5eedd0244dc271436","role":"section-title"},{"id":"b-193333ae9ea81b8705f80997","url":"#b-193333ae9ea81b8705f80997","role":"problem-context"}],"relatedBlocks":[]},{"id":"b-ee7755185f33fdcacc26a89a","type":"p","scope":"document","url":"https://codingai-lec03.pages.dev/course/notebook-blocks/79ba67e8303e4c129fed9fa65769fee6.html#b-ee7755185f33fdcacc26a89a","content":"先记录预测，再请 AI 只把 `N_WORDS` 改成8，并检查输出中心数、形状与 fit/evaluation 分离。目标和保留集固定；不要同时改变 patch 大小。再问需要怎样的标签读出，才能检验类别信息。","sha256":"676ed57890182e9efd0f6ff96d6214ab605b80c23d26af5628e0296658ce85a4","chapter":{"id":"course","title":"中心确实经过优化产生，评价时只分配给冻结中心"},"unit":{"id":"notebook-blocks/79ba67e8303e4c129fed9fa65769fee6","title":"中心确实经过优化产生，评价时只分配给冻结中心"},"page":{"id":"reading-opening","title":"中心确实经过优化产生，评价时只分配给冻结中心","number":1},"sectionTitle":"中心确实经过优化产生，评价时只分配给冻结中心","currentQuestion":"中心确实经过优化产生，评价时只分配给冻结中心","sourceSlides":[],"knowledgeBlock":null,"formulas":[],"previousBlock":"b-bb373696059e28736157ed58","nextBlock":null,"prerequisites":[{"id":"b-875df7f5eedd0244dc271436","url":"#b-875df7f5eedd0244dc271436","role":"section-title"},{"id":"b-193333ae9ea81b8705f80997","url":"#b-193333ae9ea81b8705f80997","role":"problem-context"}],"relatedBlocks":[]}]}