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Chris


Last seen: Today Active since 2018

You know how you can sort of see a flashlight through your hand? Red and near-IR photons scatter throughout the tissue and are infrequently absorbed. I study how to use that effect to measure tissue health. Pic not really related.

Programming Languages:
Python, C, MATLAB
Professional Interests:

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Answered
how to rotate image using function notation
If you're using imwarp, you might as well use imrotate, no? You'd be using the function imrotate() to rotate an image, if that's...

en dag ago | 2

Answered
How do I input a table column of values into a formula?
The problem, as pointed out by Stephen, is that you are accessing the table data with parantheses, which creates another table. ...

2 dagar ago | 0

| accepted

Answered
Question regarding how to make a game similar to snake in MATLAB.
You could introduce a "grow" bit for each snake. Set it to false initially. grow = false; If a snake collides with an apple, s...

9 dagar ago | 0

| accepted

Answered
Calling matlab.engine.connect_matlab() twice freezes Python
names = matlab.engine.find_matlab() if 'MY_SESSION' in names: eng = matlab.engine.connect_matlab('MY_SESSION') You can de...

9 dagar ago | 0

Answered
Converting an array slicer to Python
Here's a demonstration. import numpy as np lo = -200 hi = 20 x = np.ones((27000,1)) udata = np.ones((27000,10)) columnMa...

10 dagar ago | 0

| accepted

Answered
How to merge and slice arrays of different sizes?
Perhaps you'd be better off with a cell array. ydata = randi(9,1,8) ydata = num2cell(ydata) udata = num2cell(randi(9,1,8)) u...

10 dagar ago | 0

Answered
disp(‘hello world’);
disp ('hello world'); Your apostrophes are wrong. How did you generate them? Here is your version: disp (‘hello world’); You ...

12 dagar ago | 0

Solved


expand intervals vol.2
Similar to problem <http://www.mathworks.co.uk/matlabcentral/cody/problems/2528 2528>. This is a more general case, when bounds ...

13 dagar ago

Solved


expand intervals
You're given a row vector of an even number of monotonically increasing integers. Each pair of consecutive integers is the lower...

13 dagar ago

Solved


Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

13 dagar ago

Solved


Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

13 dagar ago

Question


I'd like to plot some points over an image in a dialog.
I want to be able to select one point with a left-click, a second point with a right-click, but I'm running into all sorts of tr...

13 dagar ago | 1 answer | 0

1

answer

Answered
Matlab App Designer get axes name from button click
I would add a tag (under "Identifiers") to the UIAxes. Then: function UIAxesSelectedCallback(app, event) selectedA...

15 dagar ago | 0

Answered
How to do this temporal plot
Here's one way. For importing data, perhaps something like data=transpose(readmatrix('filename.xlsx',Range','A2:N2002')); Empt...

19 dagar ago | 0

| accepted

Answered
How do I create a property in a class that is a direct handle to another class object
@Captain Karnage like so? mydef = myDefinition; a = myDefinedObject([],mydef,[]); whos mydef a a.type a.type()

21 dagar ago | 0

Answered
How to put name axes in 3D surf graph
Same way you would with a 2D plot. xlabel('Gy') ylabel('mm') zlabel('mm')

23 dagar ago | 0

| accepted

Answered
I want to do a knob for salt and pepper noise but the value of the noise dose not change
function UIAxesButtonDown(app, event) % The default button style doesn't have a value. % chang...

25 dagar ago | 0

| accepted

Question


Is there exist() functionality for packages/namespaces?
https://www.mathworks.com/help/matlab/matlab_oop/scoping-classes-with-packages.html Create a package and put it somewhere in Ma...

ungefär en månad ago | 1 answer | 0

1

answer

Answered
Need help with car suspension dampening, current code is exp growing.
Looking at the image, a_w and a_c are independent of previous acceleration values. Aw(end+1) = -(1/Mw)*((Cw+Cs)*Zw(end) + Cs*Zc...

2 månader ago | 0

Answered
Generating PDF and Overplotting from Subset of Data Using Gaussian Mixture Model
I believe the area under the curve of these PDFs is 1. One way to work around that (though probably not the most correct way) w...

2 månader ago | 0

| accepted

Answered
Something unexpected occured when I installed the Bioinformatics toolbox
https://www.mathworks.com/support/contact_us.html Click "Create Service Request" and follow the instructions.

2 månader ago | 0

Answered
"Manually" adjusting the position of tiles in a tiled layout using Property Inspector
If you have something simple in mind, it's likely you can do so without manually adjusting things: figure('Color',[.8,.8,.8]) %...

3 månader ago | 0

Answered
How to have only one output from each cell ? (Live Scripts)
These are "sections" in Matlab parlance, because "cell" is taken. There are three display modes for live scripts which can be t...

3 månader ago | 0

| accepted

Answered
Passing variable from MATLAB APP Designer Edit Field to a variable inside a .m file.
m-file: function myFun(x) disp(x); end GUI: Properties x end function x_valueEditFieldValueChanged(app...

3 månader ago | 0

| accepted

Answered
Calculate the coordinates of nodes in a plot3
This is one figure in the x-y plane. The z coordinates should be constant, wherever you choose to set z. If you had several imag...

3 månader ago | 0

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Answered
How do I prevent rewriting of data in my structure array within a for loop?
Perhaps something like: if buttoncounter<=5 LEN = numel(data1g1); for i=1:buttoncounter % ... dat...

3 månader ago | 0

Answered
removing outlier from data
It's a sliding window. From the text in the function: % B = RMOUTLIERS(A,..., MOVMETHOD, WL) uses a moving window method to ...

3 månader ago | 0

| accepted

Answered
Matlab RunTime and argc/argv as input arguments of an app?
(1) Is it possible to open this new app in the same instance of Matlab RunTime (that is running the calling app)? I agree, does...

3 månader ago | 1

| accepted

Answered
Hoe to Empty Line Discover!
if isempty(tline) % do something, or nothing? end

3 månader ago | 0

Answered
Linear indexing over a subset of dimensions
B = permute(A,[2,3,1]);

3 månader ago | 1

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