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moh mor


Last seen: 29 days 前 |  自 2023 起处于活动状态

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统计学

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How to choose 60 unique coordinates ('A') from 600 coordinates('B'), nearest to 60 other coordinates('C')
Hello, I have a question. Imagine we have an array 'C' containing 60*2 elements and another vector 'B' containing 600*2 element...

1 month 前 | 3 个回答 | 0

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Undefined function 'dts_cast_with_warning' for input arguments of type 'matlab.ui.Figure'.
Hello, I'm implementing a function in mex file (on GPU) in MALTLAB. But I faced with the following error in MATLAB: Undefined...

5 months 前 | 1 个回答 | 0

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How to speed up our code to be implemented on GPU
Hello, I have previously created my MEX file of my code to speed up its implementation speed on GPU. Fortunately, it got faster ...

5 months 前 | 3 个回答 | 0

3

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Build error: C++ compiler produced errors. See the Build Log for further details.
Hello, I wanted to create a MEX file in MATLAB, but I couldn't do that because of the following message in the "build log": nvc...

5 months 前 | 1 个回答 | 0

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Errors regarding run-time GPU encoder
Hello, I am trying to convert my function from "MATLAB" form to "cuda" form. So, I used GPU coder in the MATLAB. This is my firs...

5 months 前 | 1 个回答 | 0

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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 ...

7 months 前 | 1 个回答 | 0

1

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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...

8 months 前 | 0 个回答 | 0

0

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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...

8 months 前 | 1 个回答 | 0

1

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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 ...

10 months 前 | 2 个回答 | 0

2

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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...

10 months 前 | 2 个回答 | 0

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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...

11 months 前 | 1 个回答 | 0

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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.',...

11 months 前 | 1 个回答 | 0

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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...

11 months 前 | 2 个回答 | 0

2

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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...

11 months 前 | 1 个回答 | 0

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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...

1 year 前 | 2 个回答 | 0

2

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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...

1 year 前 | 0 个回答 | 0

0

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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...

1 year 前 | 1 个回答 | 0

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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...

1 year 前 | 1 个回答 | 0

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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...

1 year 前 | 0 个回答 | 0

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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....

1 year 前 | 1 个回答 | 0

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提问


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

1 year 前 | 4 个回答 | 0

4

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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 ...

1 year 前 | 2 个回答 | 0

2

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