Answered
How to get the summation of every row in 3 columns
The <http://www.mathworks.com/help/matlab/ref/sum.html "sum"> function allows you to specify the dimension on which to perform t...

8 years ago | 0

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Answered
Hi everyone. I am new to MATLAB and i need help evaluating the following question especially part (b) since i dont quite understand it. I am not convinced my code answers the question asked.Thank you.
Hey George, This is a pretty confusingly-worded quesiton. Walter is right that <http://www.mathworks.com/help/matlab/ref/menu...

8 years ago | 0

Answered
We write a program that finds a positive n number of integers. So, if all the integers from 1 to n in the form 1 + 2 + 3 + ⋯ + n are summed up, the result is between 100 and 1000. At the same time, the three numbers of this sum are the same (like 333
So you could solve this with a complete brute-force method, but let's not because that's no fun. If I were to approach this prob...

8 years ago | 0

Answered
How to merge two figures with multiple plots
Hello Rokas, Rather than copying the axes from the second figure, I think you could just copy the line objects or whatever el...

8 years ago | 3

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Answered
4D plot - Radiation pattern
Hello Süleyman, I think there's a slight misunderstanding happening here. <http://www.mathworks.com/help/matlab/ref/surf.html...

8 years ago | 1

Answered
How to Text Scan and remove columns full of zeros?
Hello Ibro, I'd highly recommend <http://www.mathworks.com/help/matlab/ref/readtable.html "readtable"> over <http://www.mathw...

8 years ago | 0

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Answered
How to have a selected code in matlab?
Hello Saba, The easiest way would probably to bring up the image with <http://www.mathworks.com/help/matlab/ref/imshow.html "...

8 years ago | 1

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Answered
using solve when it involve trigonometrics
If you make the corrections as Steven suggested, you'll get: Warning: Cannot solve symbolically. Returning a numeric approx...

8 years ago | 0

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Answered
MATLAB encontered an internal problem when i open m file on editor
Both of these crashes are caused by a recent Windows update, and should be fixed by an even more recent Windows update. Updating...

9 years ago | 0

Answered
Segmentation violation detected ?
As Cristiano said, this should have been resolved with a recent Windows update to fix their earlier update. For more details, se...

9 years ago | 0

Answered
Genetic Algorithm (Plot Function)
Hello Joe, I understand that you are looking to plot the current output of the model as the genetic algorithm is running. I b...

10 years ago | 0

Answered
pathdef.m, MATLAB upgrade, and Linux
Hello Jason, When a new version of MATLAB is installed, it will not try to get the old "pathdef" file out of the old version ...

10 years ago | 0

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Answered
Is there a way to programmatically insert the only the zoom, pan, and data cursors in MATLAB
Hello Ryan, One trick you can use, rather than having to search for each button by tag, is to turn all handle visibility to '...

10 years ago | 1

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Answered
Drawing a circle to get radius from the binary results of image data
Hello Youssef, There is actually <http://www.mathworks.com/help/images/examples/detect-and-measure-circular-objects-in-an-ima...

10 years ago | 0

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Answered
Why is 'eig' slower for tridiagonalized matrices ?
Hello Douglas, The brief answer is that it isn't anymore. In R2013a, there was an improvement in the handling of tridiagonali...

10 years ago | 1

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Answered
Summing multiple variables in a function
Hello Siong, I am a bit confused about what you are trying to do here. If you are trying to get a numeric value for "vl1" and...

10 years ago | 0

Answered
How to apply Hamming window to a column of 30000 rows and window only first 250 of them
Hello Sriihari, I understand that you have some big data that you need to analyze in MATLAB, and would find it easier to anal...

10 years ago | 1

Answered
Schur decomposition and QR algorithm for eigenvalue problems
Hello Ruye, I understand that you are wondering how MATLAB could produce an upper-triangular matrix with Schur decomposition,...

10 years ago | 0

Answered
Jacobian matrix of neural network
Hello Rita, The number of rows in the Jacobian output by "defaultderiv" is the sum of the number of weights and biases for th...

10 years ago | 3

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Answered
"Intlinprog stopped because it exceeded its allocated memory.": how can i increase allocated memory and/or number of nodes?
Hello José, "intlinprog" uses memory to store the original problem, and subproblems to be analyzed. For smaller problems, the...

10 years ago | 0

Answered
how to prevent resize function called before mouse release?
Hello Ramiro, GUI windows redrawing while changing the window size is related to the Windows setting, "Show window contents w...

10 years ago | 1

Answered
lsqr result strongly depends on weights
Hello Matteo, Your code is a bit involved and specific for me to determine if it would be expected that the image values woul...

10 years ago | 0

Answered
How to calculate the running average of points falling inside the circle ??? and plotting the running average ??
Hello Mohammed, If I am understanding you correctly, you would like to figure out the average of all the points within the ci...

10 years ago | 1

Answered
Little shift of the image after upgrade from Matlab2011 to Matlab2015.
Hello Eric, I believe that you are saying that, when a figure showing an image is printed to a PostScript (.ps) file, the ima...

10 years ago | 1

Answered
When i plot a grayscale image and check the value of a pixel using data cursor, it shows me the values between 0 and 1 which looks reasonable but it has a RGB scale. Can a grayscale image has RGB Values ?
Hi Anvinder, The Data Cursor displays color values as they are displayed, rather than as the image data is stored. So for a g...

10 years ago | 0

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Answered
Hi, I want a 2d array of rows and columns filled with floating point numbers (matrix) which can be converted to a grayscale image.
Hello Anvinder, I understand that you are looking to display a grayscale image based on values from a matrix. As jgg said, "m...

10 years ago | 0

Answered
Any way to get 2015a working with two environments?
Hello David, I understand that you would like to be able to save the multiple sessions of MATLAB, and be able to choose which...

10 years ago | 1

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Answered
How can you nicely format box plots spread unevenly across the x axis?
Hello Laurence, I understand that you would like the box plot to be a little more easily viewed, both in box width and box sp...

10 years ago | 0

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Answered
I have plotted a histogram with values from 0-30 with a total of 8 class intervals. I want to display bin edges but I have version R2014 and it does not have histcounts for input of type double. Is there another way of doing this without histcounts?
Hello Jackie, I understand that you are looking to determine the edge-values of the bins in MATLAB R2014a. In your case, the ...

10 years ago | 0

Answered
Shortcut to rerun last command
Hello Simone, I understand that you would like to be able to rerun the last command entered in the command window without nee...

10 years ago | 3