Christian Mathiesen

Aarhus University, Institute of Geoscience

Last seen: 2年以上前 | 2020 年からアクティブ

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質問

Alternative to scatter plot
I have a 3x100k matrix of scattered XYZ data over an an area that I wish to plot. So far I have been using scatter plot to visua...

3年弱前 | 1 件の回答 | 0

1

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質問

Inverse distance weighting based on direction
This problem is a bit specific, so I'll try to be as clear as I can. I have 1554 points along the coast of Greenland where mater...

約3年前 | 1 件の回答 | 0

1

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質問

Boundary/polygon around coastline of Greenland
I have a big dataset of the topography of Greenland. x and y are in stereographic coordinates, with x being a vector of length 1...

約3年前 | 2 件の回答 | 0

2

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質問

Interpolating over a grid
Hello. I have a grid of x and y coordinates and I would like to interpolate some z values over this grid. The grid constitues an...

3年以上前 | 1 件の回答 | 0

1

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質問

Using griddata with two points
I have three datasets, containing x, y and z data. The datasets contains two, seven and fourteen points respectively. My goal is...

3年以上前 | 1 件の回答 | 0

1

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質問

Locating z-values at certain x-values
Hi. I have a 3643x3 matrix containing x and y positions, as well as depth of seafloor depth along a seismic line in the Greenl...

3年以上前 | 1 件の回答 | 0

1

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質問

Calculating the error between true point and interpolation
Hi. I have 35 points where x is distance in meters, and z is seismic depth in seconds. I have made a 1d spline and k-nearest int...

3年以上前 | 1 件の回答 | 0

1

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解決済み

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

5年弱前