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Katarzyna Wieciorek


Universdidade de Lisboa

Active since 2014

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Spliting colour channels in multipage TIFF file
I know how to split channels and save extracted data when an input is a single image. <https://www.mathworks.com/matlabcentral/a...

ungefär 7 år ago | 1 answer | 0

1

answer

Question


Filling array with for loop, non-singleton dimensions and subscripts
I understand the error message but I don't know what to do :( Assignment has more non-singleton rhs dimensions than non-singl...

nästan 9 år ago | 2 answers | 0

2

answers

Question


Filling 2D array with a function, all at once.
Hello, I would like to fill arrays of given dimensions by a function. % Alfas e betas [ms^-1] alfan(1:nn,1:np) = ...

nästan 9 år ago | 1 answer | 0

1

answer

Question


Persistent fileSeparator while calling function in a script
I wrote the script that calls few functions, they were written in order to optimize work of the script. My error is Trabalh...

ungefär 9 år ago | 1 answer | 0

1

answer

Question


Finding time points/intervals when frequency of the signal is about exact value
I would like to find at what time frequency of my signal is about 2 Hz. I know how to do fft of my signal but it does not let me...

mer än 9 år ago | 2 answers | 0

2

answers

Question


Low-pass filter applied in frequency domain after fft2 and before ifft2
Part of my task is to filter an image in frequency domain. Filter has to be low-pass with cut-off frequency (K0) determined by u...

mer än 9 år ago | 1 answer | 2

1

answer

Answered
Searching a cell array of percentile scores based on age and gender
I would try <http://www.mathworks.com/help/matlab/ref/find.html find> [row,col] = find(X==score(id)) and extract percentile f...

mer än 9 år ago | 0

Answered
How to get a RGB matrix from a figure generated by MATLAB
is imread inefficient too? <http://www.mathworks.com/help/matlab/ref/imread.html imread>

mer än 9 år ago | 0

Answered
How to have a GUI interface to ask users to input variables and then show a 3D surface based on their inputs?
1. I've found this tutorials very useful: http://matlabgeeks.com/category/tips-tutorials/gui/ http://www.mathworks.com/help/m...

mer än 9 år ago | 2

Answered
setting a time limit for input of a data
Maybe you thought about this already: http://www.mathworks.com/help/matlab/ref/toc.html#outputarg_elapsedTime - using a variable...

mer än 9 år ago | 0

Question


Non linear greybox modelling: iddata - input arguments
Warning and error: SIP Warning: There are more output channels in the data object than samples. Check if the output data mat...

mer än 9 år ago | 1 answer | 1

1

answer

Question


Generating Gaussian filters in a loop
I want to filter an image with generated in a loop Gaussian filters and compare results. *Error: In an assignment A(I) = B,...

mer än 9 år ago | 0 answers | 0

0

answers

Question


Determining vector Xq and Yq for interp2 with scale
Hello, I am studying how to make interpolation in image processing. My error: _Undefined function or variable 'scale'. E...

mer än 9 år ago | 1 answer | 0

1

answer

Question


Multiplication - array by double, vector by double, saving to variable
Hi, I have two similar problems so I decided to put them together in one question. 1. I want to multiply array of randoms ...

mer än 9 år ago | 1 answer | 0

1

answer

Question


Subscript indices must either be real positive integers or logicals.
Hi, I see I am really bad at indexing so if someone could tell me some general rules (but less general than in online tutoria...

mer än 9 år ago | 2 answers | 0

2

answers

Question


Function 'subsindex' is not defined for values of class 'cell'.
Hi, I understand what error says but I don't know how to improve my function. I am not sure what exactly is seen as cell and ...

mer än 9 år ago | 1 answer | 2

1

answer

Question


Saving many strings in cell to .txt readable for Unity, error with fprintf
Dear all, I'm pasting all code to let you find all mistakes I made. The error is located in line with fprintf in the end. Mr ...

nästan 10 år ago | 1 answer | 0

1

answer

Question


How to make indices integers/logicals while filling 3D matrix with data?
Hello, I got error: 'Subscript indices must either be real positive integers or logicals.' While filling 3D matrix using t...

mer än 10 år ago | 1 answer | 0

1

answer