Answered
Assemble Global Stiffness Matrix
%% INPUTs: A = 2300; % Cross-Sectional Area of member (in mm^2) E = 2*10^5; % Elastic Modulus (i...

2 years ago | 1

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Answered
unable to plot 2 graphs
Maybe something like this: %normal modes of string section 2.25 Stein/Wysession % clear; close all; clc L = 20; %string ...

2 years ago | 0

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My uitable cells do not hold text input?
OK, I see what the problem is now (you were right, it is a problem with the refreshColumnFormat function). This line in refresh...

2 years ago | 0

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Answered
Need help with Tooltip display?
Here is a script you can run, along with an xlsx file containing random colors and names. You can run it as-is, and you can als...

2 years ago | 0

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Answered
i need the code for the below graph.
I don't have the data, so I can't generate that exact plot, but here's a similar one: x = -25:245; y = (x+25).'.*[0.5 0.45]-75...

2 years ago | 0

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Is it possible to zip files one directory up with "zip"
Try this: zip('file1',fullfile(pwd(),'..',{'file2','file3'}))

2 years ago | 0

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Answered
How to stitch together subsets of data from acceleration time histories?
One thing you have to consider is what to do if a peak is within 2 seconds of another peak, so that the two peaks' 3-second-long...

2 years ago | 0

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Replace Before A Specific Character
% calendarDuration array d = calendarDuration(21:24,2,28,10,6,27.34).' % string array dStr = string(d) % replace the years i...

2 years ago | 0

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insert datetime in array
I assume the array is sorted and needs to remain sorted after inserting the new element. One easy way is to concatenate the new...

2 years ago | 0

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change the colors of legent in 2D-plot
In your plot calls, use the LineSpec argument (see this) or 'Color',c input argument pair (see this). Examples: figure hold o...

2 years ago | 0

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change the color of the second Y-axis
yyaxis('left') plot(1:10); yyaxis('right') plot(10:-1:1) ax = gca(); % the current axes is the right axes at this p...

2 years ago | 0

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Plot a point in a GUI with mouse click
Apparently plot changes the axes' ZLim to [-1 1], which you can check by displaying the ZLim before and after the first click. ...

2 years ago | 0

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How can I add query points between two adjacent points of sampled data and perform interpolation?
Calculate the query points exactly as I showed in my answer to your other question https://www.mathworks.com/matlabcentral/answ...

2 years ago | 0

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How can i plot a multiple EEG signal channels ?
https://www.mathworks.com/help/matlab/ref/stackedplot.html Example: fs = 500; tmax = 1; nch = 21; nt = fs*tmax; t = (0:n...

2 years ago | 3

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Answered
How would I import multiple data sets with the same variables
"put them into their own variables" It's better to leave them in the tables. Rather than creating, say, 72 (= 9 variables per t...

2 years ago | 1

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Defining and calling functions in MATLAB
Refer to the following documentation page for a description and examples of how to define and call a function: <https://www.m...

2 years ago | 1

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Answered
Problem in special characters
1. The error, "Unrecognized function or variable 'Newfolder'." means that the variable 'Newfolder' is not defined in the functio...

2 years ago | 0

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Answered
Processing cell arrays as a batch instead of one by one
Perhaps this: fprintf(fid, '%f,%f,%f,%f\n', iniclu{i,:}); Running example: % example data (not sure whether this is similar t...

2 years ago | 1

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Answered
Running compiled AppDesigner app. Error finding getRunningApp
Here's some wild speculation: getRunningApp is only used when the .mlapp is a singleton app (i.e., an app that allows only one i...

2 years ago | 0

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Answered
How to get the sum of each row in a matrix.
% sum over 2nd dimension question_5 = sum(unsumed,2)

2 years ago | 1

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Answered
Selecting a UIAxes from a drop down box and assigning it to ax to be called by other funtions
Seems like you mean this: ax=app.AxisSelectDropDown.Value; ax=app.(ax); b=ax.Children % b(1) is last object added to uiaxe...

2 years ago | 0

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Answered
fprintf function writes irrelevant data into my file
fprintf operates column-wise when given an array as input. So for matrix tmp, fprintf prints tmp(1,1) then tmp(2,1), ..., tmp(en...

2 years ago | 1

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Surf from a numerical array
Yes. You can use the xlim and ylim functions to set the axes limits to the actual region of interest. Example: % some matrix ...

2 years ago | 0

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Answered
Create a boxchart with half-boxes
As you may have realized already, there's no ordering of overlapping red, blue, and two white boxcharts that will give you the l...

2 years ago | 0

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Answered
How do I use for loop to graph this
hold on x = 0:0.025:1; y = flip(x); for n=1:numel(x) plot([x(n),0],[0,y(n)],'k') end plot([1,0,0,1,1],[0,0,1,1,0],'g')...

2 years ago | 0

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Answered
Extracting tables within a cell.
"I would want to have space of column between each files data" See my additions at the end of the loop below for how you can do...

2 years ago | 0

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Answered
Program not printing to a text file properly
At first you make StudentID and Score column vectors StudentID = read(:,1); Score = read(:,2); and later you overwrite those ...

2 years ago | 0

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Answered
Why don't getframe RGB codes agree with plotted polyshape RGB codes?
They don't agree because of the transparency of the polyshape. Default FaceAlpha=0.35: figure h=plot(nsidedpoly(4)); % defaul...

2 years ago | 1

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Answered
How can I add query points between two adjacent points of sampled data？
x = [1;3;4;6;10] n = 4; % number of points to insert in each interval N = numel(x); q = linspace(1,N,(n+1)*(N-1)+1); Xq = in...

2 years ago | 1

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Answered
Why am I getting this error: Incorrect number or types of inputs or outputs for function piecewise.?
piecewise is for symbolic variables and expressions, which you are not using here. You can use logical indexing to define ID. S...

2 years ago | 1

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