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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)) ...

약 8년 전 | 0

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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 ...

약 8년 전 | 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...

약 8년 전 | 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...

8년 이상 전 | 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. ...

8년 이상 전 | 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: ...

8년 이상 전 | 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...

8년 이상 전 | 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...

8년 이상 전 | 1

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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...

8년 이상 전 | 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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URGENT!!! Matlab Symbolic Variable Error???
The reason you're getting the error is because one branch of the |if| construct defines an element of |Diagonal| directly from |...

8년 이상 전 | 1

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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...

8년 이상 전 | 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...

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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...

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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...

약 9년 전 | 0

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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',...

약 9년 전 | 0

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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...

약 9년 전 | 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))); ...

약 9년 전 | 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 ...

9년 이상 전 | 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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