mingcheng nie
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Accept 5 answers given by other contributors
Awarded to mingcheng nie on 28 Dec 2022
Feeds
Frage
can I compute expectation on matrix by Mento Carlo method in matlab
Hi, I am working on the expectation of matrix. If we assume is a complex matrix of size M M, is a real matrix of size M L, I ...
28 Tage vor | 1 Antwort | 0
1
AntwortFrage
fill the entry of a vector with a given distance
Hi there If I have a vector A of size . I want to put some value, say 1, into some certain entries. Here are the rules: given ...
5 Monate vor | 2 Antworten | 0
2
AntwortenFrage
CVX install on Matlab 2023b (Apple Silicon)
Hi, I have download the new version of Matlab natively support for Apple Silicon, i.e., 2023b for Apple Silicon. However, it see...
6 Monate vor | 1 Antwort | 0
1
AntwortFrage
generate orthogonal matrix function
Hi there, Assume I have two square matrix A and B with the same size, I want to find a matrix that orthogonal to A but non-or...
7 Monate vor | 1 Antwort | 0
1
AntwortFrage
generate unrepeated pairs from randi
I have two variables A and B. They are independently generated from randi with different range. For example, A=randi([0,5],1,5);...
8 Monate vor | 1 Antwort | 0
1
AntwortFrage
struct function in Matlab
Hi there, I want to generate more than 10^4 times of a random 3 dimension matrix, is it a good and efficient way to store all...
8 Monate vor | 2 Antworten | 0
2
AntwortenFrage
set, group in matlab
Hi there, I want to generate more than 10^4 times of following variables: A and B are 2D complex matrix from some distributio...
8 Monate vor | 1 Antwort | 0
1
AntwortFrage
row ranking among multiple matrices
Hi there, I have three matrix A, B, and C. Here A is a complex matrix of size N*M, where each row of A is generated from the sa...
8 Monate vor | 3 Antworten | 0
3
AntwortenFrage
Compensate the vector with the last entry
I have a length L vector contains some numbers, I want to compensate this vector to length K, where K > L, with repeating the la...
12 Monate vor | 1 Antwort | 0
1
AntwortFrage
'eigs and eig'-- which one should I choose?
Hi there, I have two square matrix G1 and G2, both obtain the same size. Now, I want to obtain the princinple eigenvector of ...
etwa ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
Is there any plot function that perform a plan view of bar3?
if we have a square matrix H=randi(N,N)+1i*randi(N,N); I want to see the plan view of bar3(abs(H)), especially, for the same amp...
etwa ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
plot a matrix in 3D
Hi there, If I have a square matrix H=randi(N,N)+1i*randi(N,N); how can I plot the maginitude of this matrix H in 3D?
etwa ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
matlab plot legend bug
Hi there, I have no idea what happen to my code about the legend part, it is really weird but I don't know where is wrong.
etwa ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
how to know if I can use parfor
hi there, I am a telecommunication student working on some matlab code. I have a group signal to noise ratio(SNR) and need to ru...
mehr als ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
run matlab online platform
Hi there, is there any website/online platform that offer some visual computer that can run matlab faster? The speed of my lapto...
mehr als ein Jahr vor | 2 Antworten | 0
2
AntwortenFrage
generate two variable from distribution without same result
Hi there, if we have two variables are generated from uniform distribution as : A=randi([0,5],1,6); B=randi([-4,4],1,6); Now I ...
mehr als ein Jahr vor | 2 Antworten | 0
2
AntwortenFrage
generate and save numerous datas in one code then load them in another code
Hi there, if I have two code 'A.m' and 'B.m' under the same file. In 'B.m' I will generate a few variables. I want to save those...
mehr als ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
Expectation of inverse of complex Gaussian variables
Hi there, I just have a mathematic problem. If we consider a Gaussian complex random variable vector , where each element in fo...
mehr als ein Jahr vor | 2 Antworten | 1
2
AntwortenFrage
compensate vector into same length
if we have multiple vectors, A,B,C. Each of them has different length. How can we compensate them by NaN into same length and st...
mehr als ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
store vctors of non-fixed size
I have a loop to call a function, this function will return a vector, the size of vector is not fixed. However, in the main func...
mehr als ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
3D plot where x and y has different length
Hi there, If I want to plot a 3D surface with x,y,z variables, where x and y has diffrent length, then which function should I ...
mehr als ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
compare two vector with considering Nan
Hi there, Is there any simple way to do the following requirements: If I want to compare two vectors, e.g., vector A and B. T...
mehr als ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
Question of Comparing two vectors
Hi there, If we consider two vector a and b, they have the equal length and random generate from [-2,2]. Now I want to compare ...
mehr als ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
Maximum value of matrix
Hi there, If we have a complex matrix A, size of (N,M), is there any efficient way to keep the maximum 6 absolute values in A a...
mehr als ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
How to plot the 3D exponential delay profile and Jake Doppler profile
I have a question on how to plot the exponential delay profile and Jakes Doppler profile in 3D like this?
mehr als ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
What is the pdf of Jakes' Model
When we model the Doppler shitfs, Jakes' model is a typical model, but what is the probability density function (pdf) of Jakes' ...
mehr als ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
logm and expm function
Hi there, %If we consider a diagnal matrix defined as: delta=diag(exp(1i*2*pi*(0:10)/11)); %and we define another matrix C as...
mehr als ein Jahr vor | 1 Antwort | 0
1
AntwortFrage
rng and randn on matlab
Hi there, Can we say this code has a good approximation about the channel coefficient for each SNR? rng(1) SNR=10:5:20; N_fr...
mehr als ein Jahr vor | 0 Antworten | 0
0
AntwortenFrage
parfor and rng(1)
Hi there, I was doing matlab simulation based on different SNR and rng, and want to use parfor to speed up, can we do like this...
mehr als ein Jahr vor | 1 Antwort | 0
1
Antwort
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