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Sierra


Last seen: Today Active since 2022

Programming Languages:
MATLAB
Spoken Languages:
Korean

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Question


how to calculate kernel covariance function in Gaussian Process Regression?
I have data X(x1,x2,x3) which is 24445x3 and y is also 24445 x 1. I calculated kernel function matrix using this : https://kr.m...

14 giorni ago | 0 answers | 0

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Question about using regressionLearner app
I ussd regressionLearner app to perporm Gaussian Process Regression. and It was easy for me to use. But I want to do one mor...

23 giorni ago | 0 answers | 0

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Question


how to make vector as response value using gaussian process regression?
I want to predict 'Vertices' coulmn with fitrgp(gaussian process regression). gprMdl = fitrgp(a,'Vertices','KernelFunction','...

circa un mese ago | 0 answers | 0

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How to insert vector to table?
for example, I want to insert vector into NoshellRings. I've tried but error occured. It said that The value cannot be replac...

circa un mese ago | 1 answer | 0

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answer

Question


How to use Gaussian Process with multiple inputs and outputs?
As far as I know, GPR in matlab only supports one input and on output. So I searched a lot of function in file exchange. But I c...

circa un mese ago | 0 answers | 0

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Question


I want to calculate mean trajectory using Dynamic Time Warping.
x-axis is number of data point an y-axis is longitude. I want to mean line from aligned singal. but it only returns dist 45.8...

circa un mese ago | 0 answers | 0

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answers

Question


Patch error when I plot x,y,z
I wanted to plot the patch. but the 'z' value returns only zero in plot. I want to plot 3 patches with same x,y value. only 'z'...

circa un mese ago | 1 answer | 0

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answer

Question


how to insert same scalar as length of something?
Let's suppose, A = [1, 2, 3, 4, 5] and B = [0]. I want to make second [0,0,0,0,0] whose length is 5. Please Let me know ...

circa un mese ago | 2 answers | 0

2

answers

Question


the 'polyarea' function dose not work well. how to solve it?
I want to calculate area of four polyshapes. the result from one polygon seems wrong.(VFR_lon_merged, VFR_lat_merged) It return...

circa un mese ago | 1 answer | 0

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answer

Question


how to fill the circle with hexagonal grid ?
I want to plot hexagonal grid in geoplot. but i don't know how to do. I attached the coordinates data and the image what i expe...

circa 2 mesi ago | 0 answers | 0

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Question


how to plot hexagonal grid in geoplot?
I want to plot hexagonal grid in geoplot. but i don't know how to do. I attached the coordinates data and the image what i expe...

circa 2 mesi ago | 0 answers | 0

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answers

Question


is it possible to plot hexagonal grid in geoplot?
I want to plot hexagonal grid in geoplot. but i don't know how to do. Please Let me know. Thanks.

circa 2 mesi ago | 0 answers | 0

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answers

Question


how to plot hexagon inside boundary?
I have boundary coordinates and I want to fill the patch with hexagons just like honeycomb. Pleast let me know how to do this...

circa 2 mesi ago | 1 answer | 0

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answer

Question


how to generate synthetic data using probability?
I have trajectories data. and I wanna make synethetic trajectories using probability, if possible, using gaussian process. ...

2 mesi ago | 1 answer | 0

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answer

Question


how to generate new data using Gaussian Process?
I have 2dtrajectories(longitude, latitude). I want to make(or generate) similar trajectories to trajectories i have using Gaus...

2 mesi ago | 0 answers | 0

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Question


how to know the coordinates when I know the one coordinates, angle and distance between two coordinates?
I know one coordinates (126.4303, 37.4951), angle(108 degrees(true north)), and distance ( 8 nautical mile). I want to know the...

2 mesi ago | 1 answer | 0

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answer

Question


how to geoplot with color after projinv?
before projinv, I made this plot. and after projinv, I plotted this polyshape in geoplot, and i found that there are unconnct...

3 mesi ago | 0 answers | 0

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answers

Question


how to use a polybuffer without changing the polygon's shape?
I've used polybuffer. but when the d(distance) is a largen number, the buffer is someting like circle(round). so I used sqaure ...

3 mesi ago | 1 answer | 0

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answer

Question


is it possible to use polybuffer to geopolyshape?
I've tried but it didn't work. Thanks.

3 mesi ago | 0 answers | 0

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answers

Question


how to do union of geopolyshape?
I made several geopolyshapes in geoplot. but I want to merge every geopolyshape to one geopolyshape, I've used union of plot...

3 mesi ago | 0 answers | 1

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answers

Question


how to make a patch on geoplot?
I made a patch on plot. i wanted to make a same patch on a geoplot. but it didn't work. It would be good if you explain wit...

3 mesi ago | 2 answers | 0

2

answers

Question


the plot and the patch is totally different from same data, how to solve it?
for i = 1:length(trajectory) plot3(trajectory(i).Longitude, trajectory(i).Latitude, trajectory(i).Altitude) hold o...

3 mesi ago | 0 answers | 0

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answers

Question


how to set a range of data instead of percentile?
I want to set a range of data instead of percentile I used percentile to do this before. but big problem occured when the numb...

3 mesi ago | 2 answers | 0

2

answers

Question


how to make two other points to make a plane?
I'm trying to use function now. [I,check]=plane_line_intersect(n,V0,P0,P1) % n: normal vector of the Plane % V0:...

3 mesi ago | 0 answers | 0

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Question


how to find a normal vector?
for example, there are 2 points. P0(4,3,2) ,P1(8,5,4) and the vector ->P0P1 I know that In three dimension, there are infinite ...

3 mesi ago | 1 answer | 0

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answer

Question


how to use multiple 'for loop' for one function?
intersection_point = []; for i = 1:length(mean_trajectory_double)-1 for j = 1:length(RKSI_Arr_33R) for k ...

3 mesi ago | 1 answer | 0

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answer

Question


how to plot a plane using equations of planes?
I want to plot a plane using normal vecotr which is perpendicular to a plane. my data is lon,lat,alt data(3D). I used this ...

3 mesi ago | 2 answers | 0

2

answers

Question


how to project trajectories on a plane which is made from normal vector?
Hello Everyone, I have trouble projecting trajectories on a plane. First, there are a lot of trajectories which is consist of d...

4 mesi ago | 0 answers | 0

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answers

Question


Is it possible to make a circle containing specific points?
I want to make a circle using 'percentile'. for example, If the percentile is 100, the circle contains every points. I know ho...

4 mesi ago | 1 answer | 0

1

answer

Question


How to do vector projection?
I have longitude, latitude data(aircraft's trajectory data). and I want to use a vecotr projection to make a second image. ...

4 mesi ago | 1 answer | 0

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answer

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