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MATLAB GUI error when filling textboxes with data from file
Try using cell indexing in these lines: set(handles.hostbox, 'String', A(1)) set(handles.usernamebox, 'String', A(2)) ...

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How can I find the peaks of a cfit object?
|test.coefs| is giving you the coefficients of the cubic splines that make up the fit. If I interpret your intention correctly,...

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how to take out extreme event annually from the data.
Slightly new approach, given your comment on the previous answer. This one creates |hr|, |vhr|, and |ehr|, which are 20-by-22-b...

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Help with creating new column inside a matrix with new data.
It looks like you have to pad with 0 to get 63 full days (you have 62 days + 23 hours), so why not just do that at the beginning...

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how to take out extreme event annually from the data.
The |reshape| function is going to be your friend here. I think I've interpreted your intention correctly, in which case, your ...

más de 10 años hace | 0

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How to evaluate my integral
Hard to say what's causing the error without seeing the actual MATLAB code you used. But regardless, if you just want the numer...

más de 10 años hace | 0

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Radio Buttons in panel
Panels are basically just cosmetic. Use a |uibuttongroup| to manage the exclusivity behavior you want. Compare: figure ...

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Using the optimization toolbox
Yes, Optim TB allows you to just specify the objective function (as a minimization problem -- change the sign if you want maximi...

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Eliminated zero value in the matrix.
Personally, I'd question whether this is a great idea. A distance matrix is supposed to be square and symmetric, with |dist(j,k...

casi 11 años hace | 1

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How to ensure that dynamically create symbolically variables are real?
This, maybe? names = strcat(List,index,{' '}) eval(['syms ',names{:},'real']) eval(['A = [',names{:},']']) Ergh. ...

casi 11 años hace | 0

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create vectors associated with each entry of an array and save them in a new matrix
The easy, brute-force way is just to append the new return from |linspace| to |W| each time. Start with |W| as an empty array: ...

casi 11 años hace | 1

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Problem reading an excel csp file using Matlab
The error message is indicating a problem with opening the file. The file identifier returned by |fopen| does not refer to a va...

casi 11 años hace | 0

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Solving Inequalitis in Matlab
I'm not sure what you mean that the solution to x^2 > 5 "is not correct". When I do syms x solve(x^2 > 5,x) I get th...

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how can i solve y'=t/t^2+1 by programming a runge kutta 4'th order method ?
# As written, this can't be done, because there's a singularity at t = 0 # Assuming that you actually mean y' = t/(t^2 + 1)... ...

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How can I create shortcuts by commands?
If you're running 12b or later, why not just <http://www.mathworks.com/help/matlab/creating_guis/app-creation.html package and d...

casi 11 años hace | 0

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save data from a for loop - problems with size
This code doesn't run on its own, but by eye it looks like |x2|, |X2|, |y2|, etc are all 3-by-1 column vectors, so |R2| and |R3|...

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i want to divide 256*256 image into 8*8 blocks and store the 8*8 blocks in the matrix or 2d array something.
Your question isn't quite clear because an image is already a matrix/2D array. (Actually, a true-color image is a 3D array.) S...

casi 11 años hace | 1

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Help modifying matlab script for text file
How about this: filename = 'C:\Users\jmille76\Documents\MNVR\20140206\wnw\R2_10k_b1M_l1400.txt'; fileID = fopen(filename...

casi 11 años hace | 0

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plotting a graph of time vs gear...updated
If I interpret this correctly, you're trying to see which gear you're in at time |t|? So you need to calculate |v| from |t|, th...

casi 11 años hace | 1

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Generate and Increment var names containing numbers and strings
See dpb's comment on why creating variable names like this is a bad idea, but... assuming you have a valid reason for creating s...

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Not enough input arguments
The error message you're getting seems to indicate a problem with how you're calling the function, rather than the function itse...

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Difficulty Assigning String Values after Regexp
Maybe this is oversimplifying, but I think this does what you're trying to do: GoodObject = {'brother', 'sister', 'mother',...

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deleting part of a list of strings
Assuming you have an n-by-1 cell array of strings to start with (and you'd like an n-by-1 cell arrays of strings at the end), he...

más de 11 años hace | 0

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using vectors as inputs for a function
_"this is not working"_ What is the error message you're getting? Is there any reason to have |HestonCallPriceF| be a functi...

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Selectively set parameters to fit to 0 in lsqnonlin
Have you tried using the bounds to fix the parameters to be zero? You could set the lower bound to 0 and the upper bound to |re...

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Conditional cumsum - how to create?
There may be better ways, but this works: d = [true;diff(input)<0]; idx = find(d); output = input(idx(cumsum(d))); ...

más de 11 años hace | 2

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Reading specific data from a txt/csv file
If you have a recent version of MATLAB, you can use the Import Tool to do it interactively, then generate the code. Or you can ...

más de 11 años hace | 1

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For loop iterations random noise
|Phi_2| is |Phi_1| plus a *single* random value. Without delving into the details of the ensuing math, I'm going to guess that'...

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how suppress output from a user defined function ?
I don't understand why the values are being displayed in the first place. As long as everything ends with a semicolon, there sh...

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