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Dec 13, 2018 at 11:09 history edited Xiaoxiong Lin CC BY-SA 4.0
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Dec 13, 2018 at 9:54 history edited Xiaoxiong Lin CC BY-SA 4.0
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Dec 13, 2018 at 9:53 comment added Xiaoxiong Lin function f() is a projection from vector S to another vector S. so a linear transform of the old state S to a new state S. Linear transform means taking the weighted sum of the S_{i-1} for each entry of the S_i, which can be written in a matrix form Q * S, where each row of Q is one set of weights. You can think that every state (e.g. X=i) has a probability to turn in to another sate (X=j), to describe the every possible transfer, you need a n-by-n matrix.
Dec 11, 2018 at 17:54 comment added ColorStatistics I still don't fully understand the linearity bit. You say "linearity means the function f() can be expressed as a linear transform..". Can you expand on what a linear transform is? And a linear transform of what?
Dec 10, 2018 at 22:20 history bounty ended ColorStatistics
Dec 10, 2018 at 22:18 vote accept ColorStatistics
Dec 10, 2018 at 12:47 history undeleted Xiaoxiong Lin
Dec 10, 2018 at 12:47 history edited Xiaoxiong Lin CC BY-SA 4.0
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Dec 10, 2018 at 12:33 history deleted Xiaoxiong Lin via Vote
Dec 10, 2018 at 12:31 history answered Xiaoxiong Lin CC BY-SA 4.0