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J. Alex Lee


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How can I limit the number of point/markers drawn per pixel in a plot to one
One idea is to resample the points in log-space just for plotting, this way on a log plot you get the same pixel density (in the...

3ヶ月 前 | 0

回答済み
Properties validation in subclass with multiple superclass but same ancestor
i just tried this MWE on 2025a update1 and it did not give me an error on instantiating EBike9000. classdef vehicle < handle ...

3ヶ月 前 | 1

| 採用済み

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how to estimate parameters for oscillation data with ODE system model
Disclaimer, I don't have experience with this specific question but I am interested and want to try to help. First thing I'd do...

3ヶ月 前 | 0

質問


autocomplete filenames paths function input
I am trying to get custom function input autocompletion for a filename and can't get it to work how I want: I have a function l...

7ヶ月 前 | 1 件の回答 | 1

1

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How to count the number of non-nan values for combination of multiple variables
Not sure what d and e need to be, but i think this should at least partially help a = [1,1,1,2,2,2,2]'; b = [660, 661, 661, 66...

1年以上 前 | 0

回答済み
Creating histograms of a matrix with weights in separate matrix
I know this is old, but wanted to provide another answer based on another relevant Matlab Answers post in case anyone else may b...

1年以上 前 | 0

回答済み
Join tables based on times that are within 3 hours of each other
This may be one such "optimization", though i have no idea if it is faster, but it maybe is less "brute force"? A = table(["AAA...

約2年 前 | 0

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回答済み
A compact way to replace zeros with Inf in a matrix
You can implicitly index "linearly" for any arrays - it will do all the ind2sub and sub2ind in the background: % Input A = [0 ...

約2年 前 | 2

| 採用済み

質問


Escape characters in compose with array input and minus sign *edit* with "empty" string ""
I have trouble understanding the conditions under which compose() works when passing combination of "empty" strings "", escape c...

約2年 前 | 1 件の回答 | 1

1

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convert patch structure to graph() object?
Found a more built-in way but you have to convert the structure to a triangulation % create structure by isosurface [x,y,z] = ...

2年以上 前 | 0

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convert patch structure to graph() object?
Are you sure your method is giving you the graph you want? It looks like it counts edges twice, but not exactly. So my question...

2年以上 前 | 0

回答済み
How to plot contour on a curved surface for the below problem?
This is how I would do it with the bump. % parameters z_root=0; z_top=150; Ri0 = 80; trunk.TRes = 360/5; trunk.ZRes = 3...

2年以上 前 | 1

回答済み
plot every column in an excel sheet and the corresponding column in the second sheet in same box plot with header name as chart title.
T1 = readtable("example.xlsx","Sheet","TF off TS","NumHeaderLines",1); T2 = readtable("example.xlsx","Sheet","No twist free off...

3年弱 前 | 0

回答済み
Markers on UIAxes in App Designer
you probably need to issue plot commands specifying "parent" as the app.UIAxes

3年弱 前 | 0

回答済み
Solution of Fick's Second Law of Diffusion Equation
I agree with the general idea in Torsten's answer using FD and method of lines. Specifically what ode solver to use on the discr...

3年弱 前 | 2

回答済み
Detect when UIfigure is open
the best i have been able to do is to not use appdesigner itself to create ui components and start the app very bare bones so th...

3年弱 前 | 0

回答済み
Plot Stiffness of Unidirectional Composite in Polar Coordinate System
theta and rho are respectively angle and radius...so for example t = linspace(0,2*pi,500)'; r = cos(t).^4 + .5; polarplot(t,r...

3年弱 前 | 0

| 採用済み

回答済み
Slower program due to an additional figure window
I think your issue is that call to getframe() needs app.UIAxes to be supplied, that is, getframe(app.UIAxes) otherwise it wil...

3年弱 前 | 0

回答済み
Filled contour with whiteout regions based on xyz data
If you can tolerate manually identifying white-out regions (just by a single set of coordinates somewhere in the region, such as...

3年弱 前 | 1

回答済み
Curvature of a 2D image
The calculation of arc length and curvature using arc length parameterization and its derivatives, given "perfect coordinates", ...

約3年 前 | 0

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回答済み
How to group statistics by 2 variables for plotting?
are you looking for something like this? load("VolcRegion_clust.mat") T = cell2table(VolcType_clust,"VariableNames",["Region...

約3年 前 | 1

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回答済み
Increasing speed by fixing axis and grid outside of a loop
I think what Torsten is getting after is: do you intend to keep the history of all the previous pairs you plotted? But I'm goin...

約3年 前 | 0

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回答済み
morphing a surface over 3D data
It's hard to give specific ideas without knowing the shape, but... "The final goal is to obtain a triangulated surface that con...

約3年 前 | 0

回答済み
how to remove jumps?
Are you looking at the diff() of the signals? Maybe you can find the locations of the jumps as where the largest absolute value ...

約3年 前 | 0

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回答済み
How to draw a ball by plot3?
like this? but it doesn't use plot3 [x,y,z] = sphere(64); p = surf(x,y,z,"FaceColor","interp","EdgeColor","none"); p.CData = ...

約3年 前 | 0

回答済み
条件ごとに計算させるにはどうすればよいか
Gomen, kana tukaemasen. mask ni kanshiteha "logical indexing" wo search shitemitekudasai: link @(x)fun ni kanshiteha "anonymou...

約3年 前 | 2

回答済み
条件ごとに計算させるにはどうすればよいか
Do you know about the function "atan2", which might be helpful M1 = readmatrix("tmp.txt"); tc = 1/1000000; % no need to...

約3年 前 | 2

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回答済み
Using readtable (or similar) to import multiple ranges of data
it's hard to say without seeing the csv file, but it sounds like the data is not really tabular, and you may be better off using...

約3年 前 | 0

回答済み
I want to store tables in a for loop to excel
Assuming the columns in the table are always the same, and you generate multiple versions of a table in the loop, and want to sa...

約3年 前 | 0

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回答済み
How to combine group of plots into one with separate marker
Assuming that each figure only has 1 axes and you want the first axes to be the one you want to copy into fig(1) = open('f1.fig...

約3年 前 | 0

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