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How to delete rows from a cell array that do not satisfy a certain condition?
Hi, things get much easier, if you use arrays instead of individual variable names: % combine names and scores into a ta...

5年以上前 | 2

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Graph plotting of dy by dx
Hi Kabit, if you have only the data (I assume a time vector and the corresponding values), the simplest is to use the functio...

5年以上前 | 0

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S-Function String Parameter C++
Hi Nils, I didn't take a look into the zip file but could it be that you did the same mistake as I, namely, really passing a ...

5年以上前 | 1

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Changing file directories under C:\Program Files
Hi, when you open the desktop shortcut properties you should be able to set the "working folder" to the folder you like. Then...

5年以上前 | 0

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difference in ode45 and rk4 code
Hi Debashis, I think there is a misunderstanding: ode45 uses the result from the 5th order RK method for the solution, wherea...

5年以上前 | 2

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Is it possible to create a UI around MATLAB functions in C++?
Hi Ivan, there are several possibilities: you can use <https://uk.mathworks.com/products/matlab-compiler-sdk.html MATLAB Comp...

5年以上前 | 0

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Matrix dimensions and unbalanced bracket problem
Hi Jeff, I would rather use indexing instead of multiplication, something like u = zeros(size(t)); % first 2 micros...

5年以上前 | 0

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S-Function String Parameter C++
Hi Nils, just to be sure: did you check the number of parameters you passed? I guess you are sure that there is at least one ...

5年以上前 | 0

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Convert data type from int to double in Matlab app designer
Hi Abdulla, generally speaking by using "double": x = int32(42); % x is an integer xd = double(x); % x is a double ...

5年以上前 | 4

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Web app not able to perform xlsread/xlswrite
Hi Giulio, have you tried to first build up the full path to the Excel file? So instead of only the file name provide the ful...

5年以上前 | 0

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How can I turn a string into a function and obtain the result?
Hi Brent, maybe you can describe a little more what you are trying to achieve? Your "function" has no input, so you could bas...

5年以上前 | 0

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How to run no longer supported P-Code for newer version of Matlab?
Hi, unfortunately no. You will need to ask the author to re-create the p-coded file in a newer version of MATLAB. Titus

5年以上前 | 1

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Timer stops randomly in the middle of its callback
Hi, what did you write into your timer function, directly some code or the call of a MATLAB (.m) file? If you put your code i...

6年以上前 | 0

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MATLAB Fcn not yet supported by Simulink coder
Hi, are you using the "Fcn" block or the "MATLAB Fcn" block? I.e., the one with "f(u)" displayed on the block or the MATLAB l...

6年以上前 | 0

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Input values must be binary (0 or 1)
Hi, I admit I don't know this block. But the error tells you that only values zero and one are allowed. So you need to change...

6年以上前 | 0

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mrdivide undocumented feature?
Hi, I think you might have mixed up A and B from the doc with A and x from your computation: A/x In this case your A ...

6年以上前 | 0

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Reading a .csv file with datastore in MATLAB R2011b
Hi Patrick, that same person in this case recommends to use textscan, which is available in R2011b and is some sort of a pred...

6年以上前 | 0

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When using fmincon can I have a variable be constrainted by either a range OR zero?
Hi, programmatically: yes, you can always formulate something like this as a non linear constraint. But the optimizer (and th...

6年以上前 | 1

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Importing large .csv files into MATLAb but confined by limits of excel
Hi Patrick, the importer you mention will use xlsread in the background and yes, would be limited by the same limit. But: ...

6年以上前 | 0

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Give priority to gui callback over code
Hi, the pause allows interruption of the code, so yes, it is needed. You can * use a much smaller time like pause(0.001) ...

6年以上前 | 1

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MATLAB call compiled MCC program
Hi, unfortunately both will not work. The compiled code will need to run an instance of the MATLAB Compiler Runtime (MCR), bu...

6年以上前 | 1

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Problem with factorial recursive function
Hi, two minor changes are needed: function x = fact(n) x = ones(size(n)); idx = (n>1); if any(idx) x(idx) = n(...

7年以上前 | 1

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Readtable 00:00:00 is missing
Hi, I'm not sure if there is really a problem. I think it's just a question of display. Take a look at this code fragment: ...

7年以上前 | 0

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How to use 'jar' in matlab m file?
Hi, this should work right away: pt = CoordPoint(126.97553009053178, 37.56456569639763); ktmPt = TransCoord.getTransCoo...

7年以上前 | 0

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How can i minimize
Hi Jeffrey, if I'm not mistaken, this should work: % let the vector of unknowns be [u1 u2 u3 u4 lambda], then we % ha...

8年弱前 | 0

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How can i minimize
Hi Jeffrey, I'm not sure I fully understand. If u1, u2, u3, u4 and x (=x1,x2,x3) are given, the computing lambda is trivial. ...

8年弱前 | 0

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How can i minimize
Hi Jeffrey, there is probably some missing information. I guess it's clear that h>=0. Since there are no restrictions on x1, ...

8年弱前 | 0

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Empirical PDF data?
Hi Bret, what do you mean by "empirical data". Are you looking for a draw of numbers that is e.g. normally distributed? In th...

8年弱前 | 0

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How to implement a set in MATLAB?
Hi, if I see it correctly, your "set" is meant to be a set of numbers? In this case you might simply use a vector in MATLAB. ...

8年弱前 | 1

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How to save .mat file as a variable to load for later?
Hi, use the functional form of load. Let's say the images in your .mat file are stored as variables im1, im2, im3, ... then y...

8年弱前 | 0