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Sam Cook


2018년부터 활동

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How can I count how many rows in a table have the same date?
First, you need a range of times (buckets/intervals) to check. This will vary depending on exactly what time periods you're inte...

6년 초과 전 | 0

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How to make a P color plot with two variables
You could use <https://www.mathworks.com/help/matlab/ref/unique.html unique> to get each unique combination of your row data, an...

6년 초과 전 | 0

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Finding an intersection between one data points curve and one linear curve (ax+b)
I think that the <https://www.mathworks.com/help/map/ref/polyxpoly.html polyxpoly> function is what you're looking for. It's par...

6년 초과 전 | 0

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How can I plot in 2D space the projection of area satisfied by inequalities in 3D space and also colour the area as a colour gradient with respect to the values of the Z variable?
You could create a scatter plot of points that satisfy your equations, and color them based on the Z values. range = -5:0.0...

6년 초과 전 | 0

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How to solve the problem that the demeaning of X gives a variable Y that has not exactly a zero mean, probably due to very small values ?
This is a result of the <https://www.mathworks.com/help/matlab/matlab_prog/floating-point-numbers.html#f2-98690 accuracy of floa...

6년 초과 전 | 0

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find puntual maximum in a 3D array.
If you're looking for the local maxima, and you have the Image Processing Toolbox, you can use the <https://www.mathworks.com/he...

6년 초과 전 | 0