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Timeline for sum of positive definite matrix

Current License: CC BY-SA 4.0

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Oct 15, 2018 at 21:11 comment added jason sorry, my question may be too naive, but pls take a look at the updated questions. it is originally from this one "Sum of Gaussian matched by Brownian Motion?", however, if "sum of matrix and its spectrum" is solved, "Sum of Gaussian matched by Brownian Motion?" would be solved.
Oct 15, 2018 at 18:06 vote accept jason
Oct 15, 2018 at 18:06 comment added jason great! your answer is helpful!
Oct 15, 2018 at 14:19 history edited Alexandre Eremenko CC BY-SA 4.0
added 70 characters in body
Oct 15, 2018 at 14:17 comment added Nik Weaver Cool, I did not know this.
Oct 15, 2018 at 14:02 history answered Alexandre Eremenko CC BY-SA 4.0