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Adam Danz


University of Rochester

367 total contributions since 2014

University of Rochester, NY
New Bulgarian University, Sofia Bulgaria

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Answered
App Designer - I cannot add rows when using uitable
This was recently addressed here (copied below). You need to add data to the table and that will control the number or rows. ...

6 hours ago | 0

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Answered
Using Matfile() in combination with a variable
The mat file object is similar to a structure array. Use parentheses to access fields dynamically. m = matfile('myMat.mat'); ...

6 hours ago | 0

Answered
Error after clicking in pushbutton "Parent must be a scalar graphics handle."
Whenever you're troubleshooting an error in this forum, include the entire error message and indicate what line is causing the e...

18 hours ago | 2

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Answered
equation for the sum of sinusoids
"I'm not sure I understand the pi/3, pi/4, etc. used in the x1-x4 equations below. Can anyone explain why this is included?" A ...

21 hours ago | 0

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Answered
After requesting input of str2func, how do I make sure the user wrote a valid function?
The solution below uses a try/catch statement nested within a while loop that tests the function. If the function passes, the w...

1 day ago | 0

Answered
find how many times a signal becomes above a certain signal
I think what you mean is that you want to count the number of times a continuous signal goes below 80 and then later goes above ...

1 day ago | 0

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Answered
How do I add a Table in App Designer?
To add data to a UItable in App Designer, use the startupFcn() after creating the table in the UI. From the App Designer in d...

1 day ago | 0

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Answered
Using save(Filename) in a Callbackfunction of a button
"I was under the impression, that if i use save only the functions workspace will be saved." Yep, as confirmed by, help save ...

1 day ago | 1

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Answered
How to make a plot move in random directions
It's unclear what you mean by a 'circle' and to 'run around' but hopefully this code will get you started. At the top of the c...

5 days ago | 0

Answered
text style in Matlab
Set the FontName property. Here are some examples. title('myTitle', 'FontName', 'Times') xlabel('myLabel', 'FontName', 'Aria...

5 days ago | 1

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Answered
Return average of grades as a column vector?
You don't need a for-loop. The function cellfun() applies a function to all elements of a cell array. Check this out and apply...

5 days ago | 0

Answered
Draw lines from both axis to point in plot
Draw vertical and horizontal reference lines First you should set the axis limits, then plot the lines. Here's a demo figure ...

5 days ago | 0

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How can I instruct my Matlab code to continue running after an error in Simulink?
Try using a try/catch plot doc try

5 days ago | 0

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Answered
Please help! "Error: Function definitions are not permitted in this context. "
I see what's wrong in your screen shot. You're entering the entire function in the command window. That's not how you run func...

5 days ago | 0

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Answered
Add or remove a row of four horizontal Edit Field (Numeric) boxes in appdesigner on button push?
Edit boxes are single lined and single lined edit controls cannot have multi-lined text. So you can't add a row to an edit box....

5 days ago | 0

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Answered
How to find the mode of a string array (no longer works in 2018b)
The documentation for both 2018a and 2018b indicate that the first input to mode() "can be a numeric array, categorical array, d...

5 days ago | 0

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Answered
how can i seperate the value exp(1i*2*pi*bbbb);
The question is unlcear. Given d1 from [d1 = bb1 * exp(a)], are you asking how to get exp(a)? If so, exp(a) = log(d1/bb1);

5 days ago | 0

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Answered
how to put function's out put plot in Guide axes
Suppose your function produces the following figure figure; axHand = axes; hold(axHand, 'on') plot(rand(10)); plot(rand(...

5 days ago | 0

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Answered
Check if a 2D Point lies on a given Arc or not
My solution calculates the euclidean distance between the 'test point' to all points on the arc. If the minimum distance is bel...

5 days ago | 0

Answered
How can I convert a character vector that includes date time and random text to datetime format?
This fits the pattern in your example but it is not robust to pattern changes. t = '2018-05-19_07.11.16_test6.csv'; dtchar...

5 days ago | 0

Answered
xlabel with non italic mu in latex
You can enter the µ character directly; no need for latex. xlabel('{\itt} / µs', 'interpreter', 'tex')

5 days ago | 0

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Answered
How to plot lines instead of symbols in loop
The reason a line will not show but single markers will is because you're only plotting one point at a time within the loop. A ...

6 days ago | 0

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Answered
determining time interval between peaks using a for loop
I agree with jonas, a for-loop is unneeded. I also agree that anyone would need a sample dataset to determine the best approach...

6 days ago | 0

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Answered
How to delete line in GUI axes with multiple lines?
The reason why the code doesn't remember the handle to l_1 is because once the callback function is finished, the variables no l...

6 days ago | 1

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Answered
Removing data from one vector and corresponding vector
"I can understand how I would remove my temperature outliers, however because these are 2 separate vectors (both 20000x1, for ex...

7 days ago | 1

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Answered
Free hand drawing in Matlab with output is XY coordinate of trajectory.
This might be what you're looking for. ginput() allows you to click on a graph as many times as you'd like and it returns a 2-co...

7 days ago | 0

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Answered
Fron Python to Matlab
I can't run your code right now in python so I can't compare the results but most of these lines should be the correct conversio...

7 days ago | 0

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Answered
I keep getting 'Index exceeds array bounds.' my code doesn't like r(i)
Initially in your code, t is a vector. t = [0 pi/4 pi/2 3*pi/4 pi] t = 0 0.7854 1.5708 2.3562 ...

8 days ago | 0

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Answered
How to load a .mat file and make all the variables from that .mat file to be global variables?
You don't want to make all the mat variable global. That will open a can of worms. If variables in the mat file are needed in ...

8 days ago | 0

Answered
How do i accept only numbers as input to forward to a switch case ?
This should solve both problems. Replace your first line with this. velocity = []; while isempty(velocity) try ...

8 days ago | 0

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