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Max Heimann


Last seen: 6 jours il y a |  Actif depuis 2022

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Question


iscellstr warning "To support string in addition to cellstr, include a call to 'isstring'" unavoidable?
When using the iscellstr function MATLAB always generates a warning "To support string in addition to cellstr, include a call to...

environ 2 mois il y a | 2 réponses | 0

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A résolu


Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

environ 2 ans il y a

A résolu


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

environ 2 ans il y a

A résolu


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

environ 2 ans il y a

Question


How to escape a portion of a string in regular expressions
Hello, i want to dynamically create a regular expression from an input string. However i only want a small subset of expression...

plus de 2 ans il y a | 1 réponse | 0

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I can't manage to stack plot 2 columns with the right graph size
You can alter the axis range with 'xlim' figure('name','examplefigure') % plot data subplot(2,2,1) plot(1:10,rand(1,10)) % ...

plus de 2 ans il y a | 0

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I can't use the '.' in matlab simulink block.
What do you want to do? Simply writing '.' as the gain value wont work. If you are struggling with actually entering the symbol...

plus de 2 ans il y a | 0

Réponse apportée
Doesn't addpath support adding multiple folder paths at the same time?
According to the addpath documentation (mathworks.com/help/matlab/ref/addpath.html), you can add multiple paths at the same time...

plus de 2 ans il y a | 1

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Is it possible to change dynamically the PATH?
You can use the "mfilename" command to get the path of the currently running script and define a relative path from there. [fna...

presque 3 ans il y a | 0

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Question


Determine the (pixel) width of a string
Hi, I want to scale some ui elements according to the width of a string. E.g. the string 'abcdef' has 6 letters, but is obvious...

presque 3 ans il y a | 1 réponse | 0

1

réponse

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Preallocation: speeding up loop with variable dimensions
Are you sure your code is slow due to non-preallocated elements? If you want to improve the performance i would suggest you use ...

presque 3 ans il y a | 0

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I want to move an object along Y axis up and down. how can I do this? Thanks in advance.
Do you just want to offset the data once or do you want to move it after you already plotted it? For offsetting just once, just...

presque 3 ans il y a | 0

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How to round the number to the integer? ( having other's code)
int16() is a cast into an integer datatype. Those datatypes only support whole numbers and thus the data is rounded via some int...

presque 3 ans il y a | 0

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Multivariable Function from User Input; Pass Function to be Calculated
Its an interesting problem. Generally if you just want to solve some circuit problems with matlab,i would just use a script wher...

presque 3 ans il y a | 0

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How can I export scripted iteration results to base-workspace programmatically in 2017b ?
The error message says you have a variable called "Iteration 1", which is not allowed. Probably no blank spaces are allowed in ...

presque 3 ans il y a | 1

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I have a loop containing about 6 operations, there is a logic statement that applies to 5/6 of the functions.
Something like this? function [status, result] = func(op,a1,a2) status = 0; result = 0; [row1,col1] = size(a1) if row1 ...

presque 3 ans il y a | 0

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Finding the determinant without det(a)
According to the error you are trying to access an index which is not part of the variable. Are you sure a1 is a 3x3 matrix? I...

presque 3 ans il y a | 0

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Accessing code for built-in functions
These functions are not accessible to users as they are MATLABs proprietary code. They are p-coded, which its matlabs way to obs...

presque 3 ans il y a | 2

Réponse apportée
How to extract certain indexes from a vector, but keeping the length the same by filling the rest u with NaNs
You can try something like this: angleVector = rand(1,10); indexVector = [3 4 5 6]; nanVector = NaN(1,length(angleVector)); ...

presque 3 ans il y a | 0

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Sum of different column elements of a matrix
Matlab supports linear indexing of matrices. Which means you can define a vector with all the matrix elements you want to add li...

presque 3 ans il y a | 0

Réponse apportée
How can I obtain the controller output via the command line?
You could use "step" to simulate a step response. Or lsim to simulate other inputs.

presque 3 ans il y a | 0

Réponse apportée
How to use a variavle calculate by a code to another code?
Im not sure i get your point about long code and reused variables. Its also a bit unclear what kind of code we are talking about...

presque 3 ans il y a | 0

Réponse apportée
extrapolate data to cross x axis
In order for this question to be answered you should define what you mean by "nice". Unfortunately your code sample is not runab...

presque 3 ans il y a | 0

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corners of rectangle by center point
Do you want the corners of the 2D projection of a rotated plane? In that case you could simply calculate the 3D position of each...

presque 3 ans il y a | 0

Réponse apportée
Using parallel computing for problem-based optimization
If the program runs fine without parallel computing and errors out with parallel computing the error might be a dynamic array si...

presque 3 ans il y a | 0

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Take images from webcam in every second
How are you keeping track of the 1 second intervals? Maybe the process of taking the image and storing it takes longer than .5 ...

presque 3 ans il y a | 0

Réponse apportée
How do i resolve this error
Try turning the multiplication in the middle into an elementwise multiplication aswell. Also, the last multiplication probably...

presque 3 ans il y a | 0

Réponse apportée
Can I get a solution in Simulink
The error message seems clear. You must define a discrete solver for your simulation. Go to modelling -> model settings -> solv...

presque 3 ans il y a | 0

Réponse apportée
look for data in cell array and avoid certain data during that search
You could try regexp. It accepts cells of strings and returns the indices of the matches for each cell entry. If you want to e...

presque 3 ans il y a | 0

Réponse apportée
How to create a countdown timer ?
If you just want a 30 second delay in you code, you can use this: pause(30) If you want some form of visible timer you could u...

presque 3 ans il y a | 0

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