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Fix ch03
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docs/chapter3/chapter3_2_1.md

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@@ -8,7 +8,7 @@ Y=XW \tag{1}
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$$
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  其中,$X$为输入,$Y$为输出,$W$为权重。对式(1)变换后可得:
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$$
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W=X^{-1}Y=\left(X^T X\right)^{-1} X^T Y=\left(X^T X\right)^{-1} X^T X W \tag{2}
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W=X^{-1}Y=\left(X^T X\right)^{-1} X^T Y=\left(X^T X\right)^{-1} X^T X Y \tag{2}
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$$
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  泰勒公式用多项式来近似表示函数在某点周围的情况,一元函数$f(x)$在$x_k$处的泰勒展开式如下:

docs/chapter3/chapter3_2_2.md

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -10,7 +10,7 @@ Y=XW \tag{1}
1010
$$
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  其中,$X$为输入,$Y$为输出,$W$为权重。对式(1)变换后可得:
1212
$$
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W=X^{-1}Y=\left(X^T X\right)^{-1} X^T Y=\left(X^T X\right)^{-1} X^T X W \tag{2}
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W=X^{-1}Y=\left(X^T X\right)^{-1} X^T Y=\left(X^T X\right)^{-1} X^T X Y \tag{2}
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$$
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  泰勒公式用多项式来近似表示函数在某点周围的情况,一元函数$f(x)$在$x_k$处的泰勒展开式如下:

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