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moh mor


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How to plot isosurface of for a wide range of values
I wish to plot isosurface of my data, But in a wide range of values. For example, MathWork has introduced the following example ...

ungefär 2 månader ago | 1 answer | 0

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answer

Question


Why does "[x,y,z,v] = image" result in error in MATLAB, where 'image' is a 3D matrix?
There is a predefined double-type matrix named 'flow' in MATLAB with dimensions of 25*50*25. when I want to implement this comma...

3 månader ago | 0 answers | 0

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answers

Question


How to plot 3D image in MATLAB?
Hello, I have a matrix containing reflectivity of the 3D image of a Millimeter wave imaging system. I want to plot 3D image suc...

3 månader ago | 1 answer | 0

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answer

Question


An equivalent function to "imregionalmax" with higher speed
Hello, I have to find the second biggest peak value of a number of 2D array. One way is to iterate over all of these arrays and ...

5 månader ago | 2 answers | 0

2

answers

Question


How to use "imregionalmax" without using for loop
Hello, I have an 51×20×20 Array and I wish to find the second biggest peak in each 20×20 array (I find peaks by performing "imre...

5 månader ago | 2 answers | 0

2

answers

Question


How to multiply two matrices with different dimensions with high speed
Imagine that I have two matrices like this: A = (1×51) B = (30×50) If I want to multiply these two matrices d...

6 månader ago | 1 answer | 0

1

answer

Question


How to increase speed of a multi-vector calculation
Hello, I have implemented a loop like this: for coorC = 1:numel(y1f), AF_Nunir(:,coorC) = AF_surff( x1f.', y1f.',...

6 månader ago | 1 answer | 0

1

answer

Question


How to perform elementwise multiplication between two matrices with different size or summation between two matrices with the same size
Hello, imagine I have the following array: f = 1:10; x = -22:1:22; y = -22:1:22; [u,v] = meshgrid(x,y); I wish to perform e...

6 månader ago | 2 answers | 0

2

answers

Question


How to implement a multiple nested "nested loop" faster in MATLAB
I want to implement the following formula in MATLAB. This formula represents point spread function(PSF) from concentrating point...

6 månader ago | 0 answers | 0

0

answers

Question


How to avoid using 'for' loop
'u' and 'v' are 401*401 matrices and 'R' is a 401*1 matrix. I have a function which gets 'u' and 'v' vectors and one value of 'R...

8 månader ago | 2 answers | 0

2

answers

Question


space-domain back-projection algorithm implementation
hello, I haved designed a millimeter wave imaging system. I have data about received electrical field at each receiver point re...

9 månader ago | 0 answers | 0

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answers

Question


how to set a lowpass filter in simulink?
I want to design a lowpass filter in simulink. my sampling frequency is 1000 Hz and I want to have transition band between 120 H...

ungefär ett år ago | 1 answer | 0

1

answer

Question


How to take FFT and represent it in dB in simulink?
Hello, I have designed a simple analog-to-digital converter in simulink. I wish to take FFT from output and show its result in d...

ungefär ett år ago | 1 answer | 0

1

answer

Question


Error in 'test2/Buffer': All sample times must be discrete. No continuous or constant sample times are allowed.
Hello, I want to simulate an ADC in simulink using NRZ S/H. this is my first time that I want to use DSP toolbox in simulink. H...

ungefär ett år ago | 0 answers | 0

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answers

Question


helps for understanding how to implement "sinusx" function in the calcSNR.m file
Hello, I am taking a course on data converters. our textbook is data converter by malloberti. in the chapter 3, example code 3....

ungefär ett år ago | 1 answer | 0

1

answer

Question


What is the meaning of x=x(:).'?
What is the meaning of x=x(:).' in MATLAB?

ungefär ett år ago | 4 answers | 0

4

answers

Question


How to obtain argument value of an equation
Hello, I want to know for what values of x, f(x) is equal to half of its max value. I want to use value of this argument in my ...

ungefär ett år ago | 2 answers | 0

2

answers