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How can I isolate a set of data points on a graph using conditionals?
The data doesn't need to be "linear" to use indexing to select the data that you want. For example: x = 1:10; y = rand(1, 10)...

9 månader ago | 0

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how to automate this manual code containing if else conditons?
Here is one approach. I eliminated the extraneous parameter ini for this example. I'm not sure I understand the role of the Ti...

9 månader ago | 1

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How to modify the slopes of the sawtooth wave?
It doesn't really make sense to me to talk about angles when referring to a time history of a signal. If you were to plot the s...

9 månader ago | 1

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Interphase - How to bring back default view?
If you are talking about the editor being split into multiple subwindows as shown below, go to the View tab in the tool strip an...

9 månader ago | 0

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Answered
Convert Julian Date + Time in GMT to calendar day + Time in EST
It's not pretty, but it works. yr = '2024'; %<<< renamed to avoid shadowing the year function JDDD = 'J025'; % Julian date GM...

9 månader ago | 1

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how can i compute Aij?
It appears to work. I ran it for only 2 values of k as it was timing out here in Answers when running with 20 values of k. Wha...

9 månader ago | 0

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Extract single-digit and double-digit numbers at the same time from a cell array with "regexp"
a={'1','3','6-10','11-20'}; b=regexp(a,'[0-9]+','match'); %<<< add the + to match multiple numeric characters b{:}

9 månader ago | 1

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Answered
How to match mean and standard deviation of 2 datasets for data that cannot be less than 0
Your model data doesn't look at all like the observed data, so I'm not surprised that trying to force their statistics to match ...

10 månader ago | 0

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confirm valid file identifier before flcose?
If you call fopen on the file identifier when the file is closed it will return empty (instead of returning the filename). So, ...

10 månader ago | 0

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Answered
Why is the error in the attached code?
After adding end to all of the functions so that this would even run, you get an dimension error (see below). You are trying as...

10 månader ago | 0

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Need for help for performance improvement or refactoring methods on this code
Wow! That code gets weird really fast. First, you haven't posted code that will actually run. You've shown three functions ...

11 månader ago | 0

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How can I break a long column vector (281820X1) into 140 short column vectors (2013X1)?
Use reshape data = (1:281820)'; cols = 140; rows = numel(data) / cols; data_reshaped = reshape(data, [rows cols]); whos ...

11 månader ago | 0

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Answered
How to include a negative number in initial conditions for Eulers method code?
It is always better to post example code as text rather than a screenshot. Nevertheless... Since the first element of x is -1 ...

11 månader ago | 0

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Plotting .mat file
That mat file doesn't contain anything interesting to plot. load metro.mat whos AudioInfo

12 månader ago | 0

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Load .txt file into matrix form
That looks like a good candidate for readmatrix. mtx = readmatrix('X_deg_10.txt'); size(mtx)

12 månader ago | 0

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what's the index exceed error?
On the second pass through the for k = 1:20 loop, you are trying to access the second row of sig, but it only has one row.

12 månader ago | 0

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How can I import this data with a for loop?
You were very close. x = [3 5 7 9 11 12 14 15 16 17]; for i = 1:numel(x) fn = sprintf('PendulumTestData/TD%d/IK/HR_1.mot'...

12 månader ago | 1

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Adding zeros to a column vector to match a larger column vector
new_x= [x; zeros(length(y)-length(x), 1)]; % ^ ^ switch the arguments to zeros % use ...

12 månader ago | 0

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Plots: aligning categorical y-axis labels
% create dummy data y = [1,2,3]; x = [5,10,20]; err = 0.5*ones(size(y)); % draw plot figure(1) yyaxis right errorbar(x,...

12 månader ago | 1

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Answered
Resolution of plot code errors
Why are you trying to do this with symbolic variables? It works using simple numeric variables. x = linspace(-5, 5, 500); y =...

12 månader ago | 0

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Issue with delete(obj)
Here are some modifications that should get you closer to what you wan't. Note the comments I've added in the code to point out...

12 månader ago | 0

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Answered
for loop does not iterate
Array indices in Matlab must be positive integers (or logical). You are trying to us xroots, a vector of complex numbers as the...

ungefär ett år ago | 0

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How to save the result of each loop separately
Perhaps this (using a cell array)? y = [3 4]; for i = 1:length(y) x{i} = zeros(y(i), 2) end

ungefär ett år ago | 1

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How would I plot this and then achieve minimum and maximum.
x = 0:0.1:15; % y=(x)^3/3-11(x)^2/2+24x << you were missing multiplication operators * % and the powers need to be .^ (element...

ungefär ett år ago | 0

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Hexadecimal Data Convert to signed int32
The hex2dec function assumes unsigned integer unless you tell it otherwise. You can either typecast the unsigned result to sign...

ungefär ett år ago | 2

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wildcard in filename for readtable does not work
You must call readtable with a valid filename for an existing file. It will not accept wildcards. You could use uigetfile to o...

ungefär ett år ago | 0

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Indexing with min and numel
vector1 = 1:5 vector2 = 2:7 N = max(numel(vector1), numel(vector2)) [n,I] = min([numel(vector1),numel(vector2)]) I'm not sur...

ungefär ett år ago | 1

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Code gets stuck loading when I try to run it.
In your SEGMENT 1 code you have this line where you are updating time (even though the comment says "Height Update"). I don't s...

ungefär ett år ago | 0

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Answered
how to plot signals on the same scale
For the green one, just subtract the first element of the capacity vector from the entire vector in your plot command. For exam...

ungefär ett år ago | 1

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how to obtain the data from the middle of the binary file using fread in MATLAB?
The second argument to the fread function is the size of the data to read, not an index, as you appear to be trying to use it. ...

ungefär ett år ago | 0