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祥宇 崔


Last seen: 9 months ago Active since 2022

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Is there a mature tool for solving KKT equations in Matlab?
Thanks for reading! I tried to solve KKT equations by the function "solve" and find it doesn't work when there are multiple sol...

11 months ago | 1 answer | 0

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answer

Question


How does the function "solve" deal with infinite solutions? Why can't it show all the solutions?
Thanks for reading! I read some similar quetions. But none of the answers give the reason behind the chosen terms. clear; clc...

11 months ago | 1 answer | 0

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Question


What's the formula used for kummerU?
Hi! Thanks for reading! I need to write a kummer U function for myself. For kummerU funtion, it is said in the doc that: Bu...

1 year ago | 1 answer | 0

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answer

Answered
How to improve the calculation accuracy of Matlab?
By using vpa, I improve the accuracy l=4; l1=l;%Tx Mode l2=l;%Rx Mode digits(128); misalignment = vpa(-1:1e-2:1); result =...

1 year ago | 0

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How to improve the calculation accuracy of Matlab?
Sometimes when it comes to very small value calculation, the calculation accuracy of Matlab would not be enough. There would be...

1 year ago | 2 answers | 0

2

answers

Question


How to vectorize integral2?
We can use 'integral' for twice only when these two variables are independent to each other. And then the option 'Arrayvalued' c...

1 year ago | 1 answer | 0

1

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Question


How can I avoid using for loop in this functions
This is the function whose speed I want to improve. I know I should use more matrix operation and use less for loop. But I have ...

1 year ago | 1 answer | 0

1

answer

Answered
How can I integrate a function related to the modified bessel function of the first kind?
It seems that this works: beta = 5 ; sigma = 1.4/3; integ_func = @(theta,x) x./sigma.^2./pi.*exp(-(x.^2+beta^2)/2/sigma^2+be...

1 year ago | 1

Question


How can I integrate a function related to the modified bessel function of the first kind?
Thank you for reading my question! The thing is that I'm tring to integrate a rice PDF, and it should be 1. beta = 5 ; sigma ...

1 year ago | 3 answers | 0

3

answers

Question


Can the function "Taylor" process the input type "Function handle" directly?
Like what I said, every time I use the "taylor" function, I need to convert the function to a symbolic equation, which isn't ver...

2 years ago | 1 answer | 0

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Question


Is there a function like "y = filter(b,a,x,zi) uses initial conditions zi for the filter delays" in fftfilt? If not, what's the most efficient way to implement this?
Is there anything like "y = filter(b,a,x,zi) uses initial conditions zi for the filter delays" in fftfilt? If not, what's the mo...

2 years ago | 1 answer | 0

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