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# Jakub

Last seen: 6 maanden ago Active since 2012

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Question

Differet color of bars in Polarhistogram
Is there a way how to assign colors to individual bars in Polarhistogram?

ongeveer 2 jaar ago | 0 answers | 1

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Improving the consistency of the NNMF function
According to my experiences I only use 'als' algorithm and with many replicates which usually gives me better estimate. So somet...

meer dan 2 jaar ago | 0

Question

Why is wcoher function not reccomended?
Why in the new release of Matlab wcoher is not reccomended and wcoherence should be used instead? I did not find explanation any...

bijna 6 jaar ago | 1 answer | 1

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Question

Cone of influence for higher scales
I have troubles working with conofinf function. It supposed to do a cone of influence for selected wavelet. It works ver well fo...

bijna 6 jaar ago | 0 answers | 0

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Question

How to interpret angle of CWT and XWT?
what does the angle of auto-spectrum and cross-spectrum tells me? both calculated by continuous wavelet transform. <</matlabc...

bijna 6 jaar ago | 0 answers | 0

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Question

Why is wavelet coherence almost always one?
I still quite dont understand modulus of wavelet coherence. Even in Matlab demos cwt, xwt and phase of wcoher is explained b...

bijna 6 jaar ago | 0 answers | 0

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extraction phase angle of signal using wavelet transform
Try using phase information from wavelet coherence of two signals.

bijna 6 jaar ago | 0

Scales at continuous WT and wcoher
Its the same. Error was in that in the second case scales must be devided by dt.

bijna 6 jaar ago | 0

| accepted

Question

Scales at continuous WT and wcoher
Hello, I still cant quite understand what scales should I choose to examine my signal. Lets say sampling frequency of my signal ...

bijna 6 jaar ago | 1 answer | 0

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Question

In my Simulink model, I want to ask user to choose file and then I want to import it. Is there a way how to comunicate with user...

ongeveer 6 jaar ago | 0 answers | 0

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Question

Finding scaling factor for two signals to have same shape
I have two signals (see figure) with differences mostly in amplitude. I need to find optimal scaling factor so they look the sam...

ongeveer 7 jaar ago | 1 answer | 0

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Question

Angle between two objects in image using regionprops.
In my image with function regionprops and parameter 'Orientation' I get an angle between object and x-axis. But I need to calcul...

ongeveer 7 jaar ago | 1 answer | 0

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Question

Pairwise summation of two vectors?
Is there a way how to do easily pairwise summation between two vectors? Something like pdist but with sum instead of distance. I...

ongeveer 7 jaar ago | 1 answer | 0

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Question

Is it possible to set azimuth and elevation for 2D image?
Is it possible to set azimuth and elevation for 2D image? I am using the view function and warp function on the image, but warp ...

ongeveer 7 jaar ago | 1 answer | 0

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Question

Gaussian mask for low-pass filter in frequency domain.
Hey i want to do simple low-pass filter in frequency domain with cutoff frequency 0,2. I need to create mask in frequency plane....

meer dan 7 jaar ago | 1 answer | 0

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Question

Problem with image function in GUI
Is there any problem with function image() when creating GUI? when i am using it not in gui i dont have any problem. but in my G...

ongeveer 8 jaar ago | 1 answer | 0

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Question

Simple interpolation inside matrix
Simple question, I have matrix A= [1 1 1 1 1] [1 1 60 1 1] [1 1 1 1 1] and i want to interpolate values inside the...

ongeveer 8 jaar ago | 1 answer | 0

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Question

borders of simple image
I have this image, ploted with pcolor: <</matlabcentral/answers/uploaded_files/4075/test.bmp>> How come that if i want t...

ongeveer 8 jaar ago | 2 answers | 2

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Question

how to adress neighbours in matrix
Imagine I have matrix A=ones(5). I want to change center of the matrix to 17, A(3,3)=17; In next iteration I want to change all ...

ongeveer 8 jaar ago | 1 answer | 0

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Question

matrix neighbours chaning with iterations
Imagine I have matrix A=ones(5). I want to change center of the matrix to 17, A(3,3)=17; In next iteration I want to change all ...

ongeveer 8 jaar ago | 1 answer | 0

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Question

Text instead of values in tick
How can I have text for example: a,b,c,d instead of 1,2,3,4 in xtick? Matlab always tells me that these values must be numeric.....

meer dan 8 jaar ago | 1 answer | 0

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Question

Five plots arranged like on dice?
How can I arrange five plots in one figure so the plots would be on same positions like points on a dice? I dont want subplot (3...

meer dan 8 jaar ago | 2 answers | 0

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Five plots in one figure?
I am plotting five circles so I want them in positions like on dice.

meer dan 8 jaar ago | 0

Question

Five plots in one figure?
Is there a nice way to have five plots in one figure? i want each plot equally big and minimum of empty space. So i dont want to...

meer dan 8 jaar ago | 2 answers | 0

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Question

How to name structured variable with number that correspond to number of itteration?
How do I name structured variable with number that correspond to itteration in a loop? For example for l=1:5 for i=.....

meer dan 8 jaar ago | 1 answer | 0

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Question

mkdir with variable name
Hi, i want to make directory. This directory is in a directory which name depends on a variable. How can i do this? This is par...

meer dan 8 jaar ago | 2 answers | 0

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Question

Change of saving folder with each iteration
I want to set path where to save a file. But this saving function is in loop and name of saving variable is changing every itera...

bijna 9 jaar ago | 1 answer | 1

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Question

last values in for cycle
Lets say I have vector of values. length of that vector is 350. and i want for cycle that do something with first hundred of val...

bijna 9 jaar ago | 1 answer | 0

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save a large data to mat file
Try to find it here. http://www.mathworks.com/matlabcentral/answers/15521

bijna 9 jaar ago | 1

| accepted

Question

Hi i have GUI with 18 checkboxes/radiobuttons. Dont know what is better for me...Is there way to set that only two of them can b...

bijna 9 jaar ago | 1 answer | 0