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Update RGN.0.2.md
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assets/src/RGN/RGN.0.2.md

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@@ -23,4 +23,4 @@ AI的开发离不开算法那我们就接下来开始学习算法吧!
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<img width="100" align="center" src="../../images/162.jpg" />
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</p>
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当X不是列满秩时,或者某些列之间的线性相关性比较大时,<img width="100" align="center" src="../../images/164.jpg" />的行列式接近于0,即<img width="100" align="center" src="../../images/164.jpg" />接近于奇异,上述问题变为一个不适定问题,此时,计算<img width="100" align="center" src="../../images/165.jpg" />时误差会很大,传统的最小二乘法缺乏稳定性与可靠性。
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当X不是列满秩时,或者某些列之间的线性相关性比较大时,<img width="70" align="center" src="../../images/164.jpg" />的行列式接近于0,即<img width="70" align="center" src="../../images/164.jpg" />接近于奇异,上述问题变为一个不适定问题,此时,计算<img width="100" align="center" src="../../images/165.jpg" />时误差会很大,传统的最小二乘法缺乏稳定性与可靠性。

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