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dineof #1

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zuiyr opened this issue Mar 17, 2022 · 2 comments
Open

dineof #1

zuiyr opened this issue Mar 17, 2022 · 2 comments

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@zuiyr
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zuiyr commented Mar 17, 2022

hello作者,我想问一下在dineof开始的svd分解时,需要x矩阵维度为mn,m为空间维度,n为时间维度,但是我这里的数据是每天一张海温数据图片,我该怎么将一系列图片合成为一个mn矩阵呢?

@Flionay
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Flionay commented Mar 17, 2022

hello作者,我想问一下在dineof开始的svd分解时,需要x矩阵维度为m_n,m为空间维度,n为时间维度,但是我这里的数据是每天一张海温数据图片,我该怎么将一系列图片合成为一个m_n矩阵呢?

可以去学习一下numpy库

@zuiyr
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zuiyr commented Mar 17, 2022

谢谢解答!!我目前的理解,想麻烦请你看看对不对:比如我每天的海温数据大小是200200的图片,我就把这个矩阵里的元素都遍历出来组成一个大小为40000的列向量(假如已经剔除陆地),然后可以读入n天,组成一个40000n的矩阵,代表海温的时空分布,再对这个矩阵进行后续操作。

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