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Reading Excel XY Data and Interpolate
This is a pretty huge question -- it really depends what you're assuming about the data and, consequently, what you're trying to...

11年以上前 | 0

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What does the value s do in my code??
This code is... a bit muddled. At the end of the day, the |s| is not really necessary. The problem you were having before with t...

11年以上前 | 0

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problem with overwritten data when auto saving
I'm not entirely clear on what the crux of the problem is. Are you trying to loop through the directories (nr, nr2, nr3) and wan...

11年以上前 | 0

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I am a beginner using figures and uicontrol
Your |button_callback| function declaration line is commented out, so you literally have an |Undefined function 'button_callback...

12年弱前 | 0

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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)) ...

12年弱前 | 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,...

12年弱前 | 2

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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...

12年弱前 | 0

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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...

12年弱前 | 0

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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 ...

12年弱前 | 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...

12年弱前 | 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 ...

12年弱前 | 0

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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...

12年弱前 | 0

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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...

12年弱前 | 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. ...

12年弱前 | 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: ...

12年弱前 | 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...

12年弱前 | 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...

12年弱前 | 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)... ...

12年弱前 | 0

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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...

12年弱前 | 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|...

12年弱前 | 0

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12年弱前 | 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...

12年弱前 | 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...

12年弱前 | 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...

12年弱前 | 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...

12年弱前 | 0

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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...

12年以上前 | 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',...

12年以上前 | 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...

12年以上前 | 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...

12年以上前 | 0

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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...

13年弱前 | 0

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