# Jon

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**Content Feed**

How to loop through each row of a column, then loop through the remaining columns?

It's a little hard to tell without having the values for your matrix data to try this with, but it looks like you should modify ...

12 hours ago | 0

Finding First non-zero derivative to find nature of turning point

Assuming you are always working with polynomials you could try something like this. This code is untested but should help point ...

13 hours ago | 0

How to transfer data between two applications?

In appA add an instance of appB as a property (and assign it in the startup function). In appB assign a property for the data ...

19 hours ago | 0

Hello, Could anyone please help me with this issue. In this code, I want to save the output results after each increment in excel and I am unable to do it. Thanking you .

You don't really explain exactly what your problem is (you just say you "can't do it"). I assume your problem you are complaini...

1 day ago | 0

How to filter the following vector from multiple vectors?

I think this does what you describe % filter matrix mm % parameters threshold = 32 % extract the matrix out of the cell ...

6 days ago | 2

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"Intermediate dot indexing produced a comma-separated list.." error prevents extracting values from nested indexed fields

If you want the max over all of the grades you can do it very simply like this val = max([a.students.grades])

7 days ago | 1

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generating a more detailed contour plot

If you want more contor lines (is this what you mean by resolution?) you can use the additional levels argument to do this, so f...

7 days ago | 0

| accepted

How to properly structure code in appdesigner?

I have been taking an approach where I try to keep the code in the app designer very simple and then define a class which provid...

7 days ago | 1

| accepted

Holding the Previous Value of For Loop and Sum

The problem is that you overwrite your value of data each time the inner loop is executed. If you just want to plot each image ...

9 days ago | 0

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Finding the average temperature of a thermal image

If there is a sufficient difference between the background temperature and the hand temperature, then you could just set a thres...

9 days ago | 0

i need a for loop that outputs certain numbers

incr = 2; % increment value numIter = 3; % number of iteration x = 1; % initial value X = zeros(numIter,2); % array to hold v...

9 days ago | 0

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How can I transform polynomials such that they overlay each other?

Assuming you want them to match at some particular value of x you could do something like this. By the way the first curve in y...

12 days ago | 0

How to calculate th mean/average value for a repetetive time step

You should be able to use MATLAB's movmean https://www.mathworks.com/help/matlab/ref/movmean.html for this without any loops

12 days ago | 0

state space matrix magnitude changes sampling rate

I think that you are just getting a little confused about the time scaling. In the nominal case you can see that the system rea...

13 days ago | 1

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ODE45 projectile angle input

Using ode45 you integrate (solve the differential equations) for the x and y components of the velocity and position. The initi...

13 days ago | 0

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How to execute a task every 20 minutes for 10 hours every day from 7:00 to 17:00

You could use two timers. The first timer would execute with a 24 hour period executing at 7:00AM each day. Its callback functi...

14 days ago | 0

How do I create a loop for this calculation in MATLAB?

Slightly different interpretation of how you want to do loops, I ignored the first comment about 25 iterations. Regardless it se...

14 days ago | 0

How to create table or matrix from these cell array in MATLAB?

I'm not sure what you want to do with the data, but you could organize it in a table where each row is a test (or whatever the 5...

14 days ago | 0

How to combine two matlab functions to get only one?

This would be one approach, in which you keep your original MA_from_TA function, but within Time_of_Flight you call it twice fu...

15 days ago | 1

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Find indexes in cell array

R1={'2B' , '1A' , '1A' , '2B' , '1D' , '1A+1C' ,'1A+1C' , '1D' , '1A+1C' , '1B+1E' , '1B+1E', '1D'} C1={'1A' , '2B' , '1A+1C' ,...

15 days ago | 0

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Splitting a matrix according to there labels

This is one way to do it % make an example data file with last column having either a "label" of 1, % 2, or 3 data = [rand(...

15 days ago | 0

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How to save figures and subplots App Designer

This is a way of making a screen shot of the figure within app designer plot(app.UIAxes,1:100,rand(1,100)) ...

15 days ago | 0

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How to plot data from JSON Structure array

I don't understand what you are expecting to happen in your example code. Your variable downloaded_data is assigned to an array...

16 days ago | 0

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is it possible to further plot Figures previously saved in .fig or .png mode?

Save your figures as .fig files. Then follow the directions in this previous post which explains exactly how to put the figures...

16 days ago | 1

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column number extract using find function..

A = [ 0 500 1000 1500 2000 2500 3000 3500 x1 x2 x3 5500 6000 6500 7000 7500 8000 8500 9000 9500 10000 ] ; matchVals = [500,10...

19 days ago | 0

I'm having this kind of error in the below code g Error using ceil Too many input arguments. Error in g (line 6) CG = ceil(G,1);

Unless the first argument to the ceil function is a duration (time) then ceil only takes one argument. So in your call it doesn'...

19 days ago | 0

4 Dof response with state space formulation and ode45

You may have other errors too, but one thing that doesn't look correct is the multiplication A1*y in your odefun. A1 is an 8x8...

19 days ago | 0

Assigning an iterative variable a script

The problem is that you preallocated suit1, and suit2 as a vector of doubles (numeric values), but then in the loop you assign ...

20 days ago | 0

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Find closest sphere in a cluster with random spheres having different diameters-2

Here is another approach, in which we consider the spheres to be nodes in an undirected graph with edges connecting the nodes wh...

21 days ago | 1

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spectrogram of data set

Please see the documentation and in particular the example shown in https://www.mathworks.com/help/signal/ref/spectrogram.html ...

21 days ago | 0