Rik

Last seen: Today | Active since 2017

E-mails with feedback/questions about FEX submissions are welcomed. In general I will post e-mails about Answers on the related page, unless there is good cause not to do so.

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New. to Matlab, can you help me with the code?
A much better solution is to learn Matlab with a tutorial. You may consider doing the Onramp tutorial (which is provided for fre...

ungefär 19 timmar ago | 1

Answered
Have problem in solution
It looks like you want different things to happen depending on the value of Erf: for every element smaller than 2 you want y to ...

ungefär 22 timmar ago | 0

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How can I obtain the permutation of 3 binary variables?
The easiest way to do this is with bin2dec. You can loop from 0 to 2^n-1 to get all combinations. To convert the character array...

2 dagar ago | 0

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Answered
how to find the answer of:
Use the inverse of tan: atan B=atan(log10(50)/exp(0.53))

3 dagar ago | 0

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Answered
How to create an independent loop?
If you want something to be independent, you need to use a function: for n=1:200 my_fun(n,struct_with_your_other_variables...

3 dagar ago | 1

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Answered
How to unstructure the structure data?
If you use the normal dot indexing with a struct array, that will generate a comma separated list. You can put that between bra...

6 dagar ago | 1

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Answered
find function using wildcards
You can use the patterns introduced in R2020b: str={'/* GeoForschungsZentrum Potsdam ...

7 dagar ago | 1

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Answered
How can I use fprintf to print matrix by column?
fprintf tranverses the input in a column-major order. If you want to change that, you can't, so you will have to flip the array ...

8 dagar ago | 0

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I wrote this code and it didn't work and its gave me " Unrecognized function or variable 'seq' " error , What I can do to sole this error??
Apparently your code doesn't guarantee the creation of the seq variable. Since it only occurs in block starting with Test=='T', ...

8 dagar ago | 0

Answered
How to check for data normality using kstest?
If you want to test if your data is from a standard normal distribution you should not change it before calling kstest. If yo...

8 dagar ago | 0

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Answered
How can I mouse pick up and move
You can do this with the WindowButtonDownFcn (or the equivalent for uifigures: ButtonDownFcn). Inside that callback you can ret...

10 dagar ago | 0

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How can i read in a .txt file without the first column gets saved?
I prefer not to mix tasks. I first read my file, then I do the processing. It is generally a lot easier to remove parts of char ...

10 dagar ago | 0

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Mathmatica saving Matlab files as Wolfram Mathmatica Package files
Your files have not changed, only the description your OS displays. You should look up a guide for your specific OS. On windo...

11 dagar ago | 0

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Answered
graph with two formulas
You probably want the errorbar function: x = 1:10:100; y = [20 30 45 40 60 65 80 75 95 90]; err = 8*ones(size(y)); errorbar(...

11 dagar ago | 0

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Solved

The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

11 dagar ago

Answered
Pressure drop script is not running
If you have problems with a function, you should really check the documentation. The input function does not work like you expe...

11 dagar ago | 0

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Answered
How to extract common points from a csv file with same Id?
The easiest way is probably with histcounts (or histc on old releases).

14 dagar ago | 0

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Is the Raspberry pi MATLAB and SIMULINK support package compatible with the raspberry pi 400?
The Pi 400 is identical to the Pi 4 in most relevant aspects, so I think you can expect it to work.

14 dagar ago | 0

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How to add 3th moving ball
If you replace numbered variables with arrays you can use simple loops with indexing. With your current setup you will have to c...

14 dagar ago | 0

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Replacing for loop in the function
What you want is not possible. Depending on what f is there might be ways to avoid the loop and use vector-operations instead, b...

16 dagar ago | 1

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Why do I get the error '??? Output argument ‹variable› (and maybe others) not assigned during call to ‹function›.' ?
The error is in getgamspath. Consider this function: function [output1,output2]=IncorrectFunction output2=1; end Running it ...

16 dagar ago | 0

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how to define and write the first line of a function while one of the inputs are a matrix with strings as entries (strings are defined in the body of function)
You can only have variable names in your function signature, not any indexing. function PS=level2(NOH,NOC,tetta,A)

19 dagar ago | 0

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Answered
How to load multiple .mat files containing timetables into the workspace and concatenate them vertically
If you use struct2cell (either inside your loop or in a cellfun) you can extract the data itself. Then you should be able to use...

21 dagar ago | 0

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what is the alternative of cd in .executable app ?
You can use && to execute another command if the first one completes successfully: doscmd = [... 'cd /d "' pathTargetFiles...

21 dagar ago | 0

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Answered
Getting wrong results while calling a function.
Some numbers cannot be represented exactly in binary. You will either need to round both numbers to make sure they have the exac...

22 dagar ago | 1

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How to access recent comments in the FileExchange?
In the activity feed you can select the 'Files' section, where you can see only the FEX-related activities. You do need to remem...

24 dagar ago | 1

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Answered
How the number of times n of the patchwork increase?
You don't check if your image is actually large enough to allow 6000 unique indices. You should either reduce the number of samp...

26 dagar ago | 1

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Answered
Plot median values in a bin (binned plot)
You can try <https://www.mathworks.com/matlabcentral/fileexchange/98239-gridbin gridbin>. I haven't used it myself, but it se...

26 dagar ago | 0

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Answered
Compiler Toolbox - Generate Portable versions
To my knowledge this is only possible if all target machines have Matlab installed (or the MCR). An alternative would be to u...

26 dagar ago | 0

Answered
lsqnonlin for 2 independent variables
You should merge x and y to a single variable (i.e. a 2 element vector). That way you can do this with a single call to lsqnonli...

26 dagar ago | 0

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