选自 | machinelearningmastery
作者 | Jason Brownlee
编译 | 机器之心 参与 | 张倩、刘晓坤
本文介绍了 10 个常见机器学习案例，这些案例需要用线性代数才能得到最好的理解。
线性代数是数学的分支学科，涉及矢量、矩阵和线性变换。
-
如何在处理数据时使用线性代数结构，如表格数据集和图像。
-
数据准备过程中用到的线性代数概念，例如 one-hot 编码和降维。
-
深度学习、自然语言处理和推荐系统等子领域中线性代数符号和方法的深入使用。
<section style="box-sizing: border-box;padding: 0.5em;font-size: 14px;color: rgb(169, 183, 198);line-height: 18px;border-radius: 0px;background: rgb(40, 43, 46);font-family: Consolas, Inconsolata, Courier, monospace;display: block;overflow: auto;letter-spacing: 0px;margin-left: 8px;margin-right: 8px;overflow-wrap: normal !important;word-break: normal !important;"><span style="font-size: 16px;"><span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">5.1</span>,<span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">3.5</span>,<span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">1.4</span>,<span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">0.2</span>,Iris-setosa<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;" /><span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">4.9</span>,<span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">3.0</span>,<span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">1.4</span>,<span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">0.2</span>,Iris-setosa<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;" /><span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">4.7</span>,<span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">3.2</span>,<span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">1.3</span>,<span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">0.2</span>,Iris-setosa<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;" /><span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">4.6</span>,<span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">3.1</span>,<span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">1.5</span>,<span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">0.2</span>,Iris-setosa<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;" /><span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">5.0</span>,<span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">3.6</span>,<span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">1.4</span>,<span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">0.2</span>,Iris-setosa</span></section><section style="box-sizing: border-box;padding: 0.5em;font-size: 14px;color: rgb(169, 183, 198);line-height: 18px;border-radius: 0px;background: rgb(40, 43, 46);font-family: Consolas, Inconsolata, Courier, monospace;display: block;overflow: auto;letter-spacing: 0px;margin-left: 8px;margin-right: 8px;overflow-wrap: normal !important;word-break: normal !important;"><span style="font-size: 16px;">red<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;" />green<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;" />blue<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;" />...</span></section><section style="box-sizing: border-box;padding: 0.5em;font-size: 14px;color: rgb(169, 183, 198);line-height: 18px;border-radius: 0px;background: rgb(40, 43, 46);font-family: Consolas, Inconsolata, Courier, monospace;display: block;overflow: auto;letter-spacing: 0px;margin-left: 8px;margin-right: 8px;overflow-wrap: normal !important;word-break: normal !important;"><span style="font-size: 16px;">red, green, blue<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;" /><span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">1</span>, <span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">0</span>, <span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">0</span><br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;" /><span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">0</span>, <span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">1</span>, <span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">0</span><br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;" /><span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">0</span>, <span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">0</span>, <span style="box-sizing: border-box;color: rgb(174, 135, 250);line-height: inherit;overflow-wrap: inherit !important;word-break: inherit !important;">1</span><br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;" />...</span></section><section style="box-sizing: border-box;padding: 0.5em;font-size: 14px;color: rgb(169, 183, 198);line-height: 18px;border-radius: 0px;background: rgb(40, 43, 46);font-family: Consolas, Inconsolata, Courier, monospace;display: block;overflow: auto;letter-spacing: 0px;margin-left: 8px;margin-right: 8px;overflow-wrap: normal !important;word-break: normal !important;"><span style="font-size: 16px;">y = A . b</span></section>原文链接：https://machinelearningmastery.com/examples-of-linear-algebra-in-machine-learning/
<section data-brushtype="text" style="white-space: normal;max-width: 100%;letter-spacing: 0.544px;color: rgb(62, 62, 62);font-family: "Helvetica Neue", Helvetica, "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;font-size: 16px;widows: 1;word-spacing: 2px;caret-color: rgb(255, 0, 0);background-color: rgb(255, 255, 255);text-align: center;box-sizing: border-box !important;overflow-wrap: break-word !important;"><strong style="max-width: 100%;color: rgb(0, 0, 0);font-family: -apple-system-font, system-ui, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;letter-spacing: 0.544px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;letter-spacing: 0.5px;font-size: 14px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><strong style="max-width: 100%;font-size: 16px;letter-spacing: 0.544px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;letter-spacing: 0.5px;box-sizing: border-box !important;overflow-wrap: break-word !important;">—</span></strong>完<strong style="max-width: 100%;font-size: 16px;letter-spacing: 0.544px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;letter-spacing: 0.5px;font-size: 14px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><strong style="max-width: 100%;font-size: 16px;letter-spacing: 0.544px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;letter-spacing: 0.5px;box-sizing: border-box !important;overflow-wrap: break-word !important;">—</span></strong></span></strong></span></strong></section><pre style="max-width: 100%;letter-spacing: 0.544px;color: rgb(62, 62, 62);font-size: 16px;widows: 1;word-spacing: 2px;caret-color: rgb(255, 0, 0);background-color: rgb(255, 255, 255);text-align: center;box-sizing: border-box !important;overflow-wrap: break-word !important;"><pre style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="max-width: 100%;letter-spacing: 0.544px;white-space: normal;font-family: -apple-system-font, system-ui, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="margin-top: 15px;margin-bottom: 25px;max-width: 100%;opacity: 0.8;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="max-width: 100%;letter-spacing: 0.544px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section powered-by="xiumi.us" style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="margin-top: 15px;margin-bottom: 25px;max-width: 100%;opacity: 0.8;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="margin-bottom: 15px;padding-right: 0em;padding-left: 0em;max-width: 100%;color: rgb(127, 127, 127);font-size: 12px;font-family: sans-serif;line-height: 25.5938px;letter-spacing: 3px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;color: rgb(0, 0, 0);box-sizing: border-box !important;overflow-wrap: break-word !important;"><strong style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;font-size: 16px;font-family: 微软雅黑;caret-color: red;box-sizing: border-box !important;overflow-wrap: break-word !important;">为您推荐</span></strong></span></section><section style="margin-top: 5px;margin-bottom: 5px;padding-right: 0em;padding-left: 0em;max-width: 100%;min-height: 1em;font-family: sans-serif;letter-spacing: 0px;opacity: 0.8;line-height: normal;box-sizing: border-box !important;overflow-wrap: break-word !important;">干货 | 算法工程师超实用技术路线图</section><section style="margin-top: 5px;margin-bottom: 5px;padding-right: 0em;padding-left: 0em;max-width: 100%;min-height: 1em;font-family: sans-serif;letter-spacing: 0px;opacity: 0.8;line-height: normal;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="font-size: 14px;">Github上10个超好看的可视化面板，nice！</span></section><section style="margin-top: 5px;margin-bottom: 5px;padding-right: 0em;padding-left: 0em;max-width: 100%;min-height: 1em;font-family: sans-serif;letter-spacing: 0px;opacity: 0.8;line-height: normal;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="font-size: 14px;">吴恩达上新：生成对抗网络（GAN）专项课程</span><br /></section><section style="margin-top: 5px;margin-bottom: 5px;padding-right: 0em;padding-left: 0em;max-width: 100%;min-height: 1em;font-family: sans-serif;letter-spacing: 0px;opacity: 0.8;line-height: normal;box-sizing: border-box !important;overflow-wrap: break-word !important;">拿到2021年灰飞烟灭的算法岗offer的大佬们是啥样的？<br /></section><section style="margin-top: 5px;margin-bottom: 5px;padding-right: 0em;padding-left: 0em;max-width: 100%;min-height: 1em;font-family: sans-serif;letter-spacing: 0px;opacity: 0.8;line-height: normal;color: rgb(0, 0, 0);box-sizing: border-box !important;overflow-wrap: break-word !important;">你一定从未看过如此通俗易懂的YOLO系列解读 (下)</section></section></section></section></section></section></section></section></section>
本篇文章来源于: 深度学习这件小事
本文为原创文章，版权归知行编程网所有，欢迎分享本文，转载请保留出处！
内容反馈