Comments (8)
Visualize-ML
commented on June 6, 2024
确实是，外积这个词在不同语境有不同含义，应该更明确说明。请继续批评，谢谢。
…On Sun, Oct 29, 2023 at 7:59 AM 带师 ***@***.***> wrote:
该栏目的第一句话为：“矩阵乘法的第二视角叫做外积展开”。
个人认为这里的“外积”指的是“张量积”而不是“叉积”，所以叫“张量积”会更准确且不容易让人迷惑一些。
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ZiyuLin-DASHi
commented on June 6, 2024
您好，再次打扰您，我对一个地方有些疑惑。Chatper13.4 P325 “谱分解格拉姆矩阵”栏目。
在公式13.33下面一行，“由于yj是单位矩阵”，您是否想说“由于vj是单位向量”。
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Visualize-ML
commented on June 6, 2024
不打扰，欢迎批评指正！这个确实写错了，你是对的！谢谢你
…On Thu, Nov 9, 2023 at 9:51 PM 带师 ***@***.***> wrote:
您好，再次打扰您，我对一个地方有些疑惑。Chatper13.4 P325 “*谱分解格拉姆矩阵*”栏目。
在公式13.33下面一行，“*由于yj是单位矩阵*”，您是否想说“*由于vj是单位向量*”。
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ZiyuLin-DASHi
commented on June 6, 2024
您的回复太快了！
Chapter14.5 P345 图14.7，好像v1和v2标反了。
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ZiyuLin-DASHi
commented on June 6, 2024
纸质书的P393的“如图17.24(a)所示”多打了一个2，P422的“式(18.4w5)也等价于”应该是(18.46)，我看电子版上面没有类似的问题，可能已经更改，冒昧打扰。
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Visualize-ML
commented on June 6, 2024
谢谢你，v1和v2确实反了。
后面排版确实有些小问题。请继续批评指正！
鸢尾花书有纠错赠书活动，下一批次赠送《编程不难》 + 签名卡。把你加到赠书名单里吧！请给我的邮箱发送你的邮寄信息。邮箱在PDF左下角。
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…On Sun, Nov 12, 2023 at 7:12 AM 带师 ***@***.***> wrote:
纸质书的P393的“*如图17.24(a)所示*”多打了一个2，P422的“*式(18.4w5)也等价于*
”应该是(18.46)，我看电子版上面没有类似的问题，可能已经更改，冒昧打扰。
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ZiyuLin-DASHi
commented on June 6, 2024
非常感谢！已经给您发了邮件。
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ZiyuLin-DASHi
commented on June 6, 2024
Chapter18.2 P411 "梯度平行”栏目
①红色箭头所指处，似乎少了一个“是”。
②还有一个问题，同在这一页上，第3段说，f(x)在x点处切线就是h(x)，请问这里的"h(x)”是否应该为"h(x)=0"
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Related Issues (20)
- 第一章 47 页脚标是不有问题
- Ch14_p10_Eq. (41) (42) 表述问题 HOT 1
- Ch17_p5_Eq. (8) 文字描述中格式错误 HOT 4
- Ch18_p4_p5 一些细节问题 HOT 4
- Ch18_p.15 Fig. 13(a) 标注错误 HOT 1
- Ch18_p17. Eq. (22) KKT条件 极小值标注 HOT 1
- Ch18_p20. Eq. (43) - (45) 第四个优化问题求解过程 HOT 2
- Ch19_p17_Fig.15 补充描述 HOT 1
- Ch20_p27_Eq. (82) 切向量推导过程 HOT 2
- Ch21_p17 Eq. (49) 偏微分下标
- Ch21_p18 Fig. 11-14 举例时没有把函数解析式给出来 HOT 1
- C22_p4 Eq.(1) 随机变量notation HOT 1
- C22_p7 \mu_X 下标显示问题 HOT 1
- C23_p14 Eq.(16) typo HOT 1
- C23_p16 一处表达不清 HOT 1
- C24_p12 U V 列向量 / 行向量 下标 HOT 1
- C25_p16 typo HOT 1
- formula erro HOT 1
- 图文中标号小错误 HOT 1
- english translation HOT 1
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