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yang-En Hsiao


50 2018 年以降の合計貢献数

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質問


If i generate the complex gaussian in this method,are the sub-matrix all complex gaussian?
The main goal is to create 4 complex gaussian matrix ,h1~h4,each gaussian matrix is 4 by 1 matrix,and the direct method is h1...

4ヶ月 前 | 0 件の回答 | 0

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質問


Which is right for complex noise CN(0,N0/2)?
I want to create a complex gaussian noise CN(0,N0/2),which code is correct? noise=(randn(1,n)+1i*randn(1,n))*sqrt(N0/2) or no...

4ヶ月 前 | 0 件の回答 | 0

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質問


How to write the code to plot these two figure by using matlab? error probability and data rate in MIMO
I want to use Matlab to plot these two figures,fig(a) is the error probability,and as we can see,the higher M is,the lower error...

4ヶ月 前 | 0 件の回答 | 0

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質問


Why do i need to divided by log2(M) * Ts instead of Ts ? For the symbol error rate of 8-PSK
I saw this code of 8-PSK in the internet,and i don't know why do i need to divided by log2(M) * Ts instead of Ts code: M=8...

4ヶ月 前 | 1 件の回答 | 0

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質問


The conditional statements of 2-PAM,8PAM and 16PAM
I take this: https://www.mathworks.com/matlabcentral/fileexchange/19587-symbol-error-rate-in-4-pam-modulation as a reference to...

4ヶ月 前 | 0 件の回答 | 0

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質問


Why do we need to write the noise as randn(2,1)./sqrt(2*SNR) instead of randn(1,1)/sqrt(2)?
I saw this code, about the error probability of on/off signal ,on the internet Ts=10^4; SNR_dB=[-3 0 3 6 9]; Ne=zeros(1,lengt...

4ヶ月 前 | 0 件の回答 | 0

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質問


Why is the last simulation value is "0",i can't find where is wrong
I write an error probability of anti-podal,however,i found the last simulation value is zero,it means that there is no any erro...

4ヶ月 前 | 1 件の回答 | 0

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質問


Why does my code become like this?why does it happen?
Yesterday i run the code,and it still keep running ,and i found the code become this below suddenly,why?Why does my code become ...

5ヶ月 前 | 1 件の回答 | 0

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Why does the window show me Number of columns on line 9 of ASCII file GOA_algorithm_2.m must be the same as previous lines,and my both subroutine are m.files
In the second code,we can see this line in the begining load('GOA_algorithm_2.m','P_q') So,this means we have to load the "P_q...

5ヶ月 前 | 0

| 採用済み

質問


Why does the window show me Number of columns on line 9 of ASCII file GOA_algorithm_2.m must be the same as previous lines,and my both subroutine are m.files
I want to run this main file with two subroutines ,but the window always show me Error using load Number of columns on line ...

5ヶ月 前 | 1 件の回答 | 0

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質問


Is there any instruction can ignore the "0" value and find the minimum value of a matrix ?
Is there any instruction can ignore the "0" value and find the minimum value of a matrix ? I mean ,if i assume A=[0 1 2 3] How...

5ヶ月 前 | 1 件の回答 | 0

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質問


Why will window show me "Improper assignment with rectangular empty matrix" sometimes?
Why will window show me "Improper assignment with rectangular empty matrix" sometimes? It seems this error should tell me ,the...

5ヶ月 前 | 0 件の回答 | 0

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Why are the values ,the result of rho_k, are the same?it shouldn't be the same
The original code is like this bdc=4 lkk=1:bdc %lkk=1, 2, 3, 4 lkkspace=zeros(1,bdc) % for rho_k=0:0.2:0.6 code A ...

5ヶ月 前 | 0

| 採用済み

質問


Why are the values ,the result of rho_k, are the same?it shouldn't be the same
First, i introduce the code A, this code A can help me find the minimum value when the rho_k=0.6, and the loop does the code for...

5ヶ月 前 | 2 件の回答 | 0

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質問


why does the window show me x3=27 when x3=1:2:50?
I wrote this code ,and the c3 can be a vector ,the elements in this vector is the result of every loops,however,i found that the...

5ヶ月 前 | 1 件の回答 | 0

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質問


I have improve the code for mean some element,some of them are inf, in a for loop,however,the window show me an error
rho_k_up=[0:0.1:1] ad = [] for cyclew=1:length(rho_k_up) bd=10 for dd=1:bd %%%%%%%%%%%%%%%%%%%%%%%%%%%%...

5ヶ月 前 | 0 件の回答 | 0

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質問


combine for loop and ~isinf,but there is an error in every loops except the result in the first loop
I use ~isinf and a for loop to make a code,in this code ,i want to let the un-Inf value to show me in each loop,however,i found ...

5ヶ月 前 | 1 件の回答 | 0

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質問


How can i know what is the n when the nth is the smallest or biggest
How can i know what is the n when the nth is the smallest or biggest,for example A=[10 2 3 4 50] mimn=min(A) I can use the mi...

5ヶ月 前 | 2 件の回答 | 0

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質問


Why does it seem that the ~isinf(cvx_optval) and co( ~isinf(cvx_optval)) are both not work
I write a code to produce cvx_optval,however,in some result of the loop is inf,so i use the "~isinf" to know how many value is n...

5ヶ月 前 | 1 件の回答 | 0

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質問


Can we sum a series of values,even some of them are "Inf"?If i want to do it,how can i do?
I get a series answer of optimal problem in several times,and i want to sum of them and average them,however, some of them are "...

5ヶ月 前 | 1 件の回答 | 0

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質問


How do i average all result in total loop,if some result in some of loop are NaN
Using matlab R2015a I want to sum lots of numbers, and each number is the result of optimal problem in each time of loop,howeve...

5ヶ月 前 | 1 件の回答 | 0

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質問


Can we sum a series of values,even some of them are "NaN"?If i want to do it,how can i do?
I get a series answer of optimal problem in several times,and i want to sum of them and average them,however, some of them are "...

5ヶ月 前 | 1 件の回答 | 0

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質問


Create a zero mean complex gaussian,but its mean and pseudocovariance are not zero
I create zero mean circularly symmetric complex gaussian according to this website: https://stackoverflow.com/questions/1408993...

5ヶ月 前 | 0 件の回答 | 0

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質問


How do i know the time of every sub-functions and every loops in a main function?
How do i know the time of every sub-functions and every loops in a main function? i know i can just use tic..toc but i am not...

5ヶ月 前 | 0 件の回答 | 0

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質問


Lotto code,the previous number cannot appear again,how do i improve it?
i want to write a lotto code,and there are six numbers in it,the range of first six numbers is 1 to 38,the range of last number ...

6ヶ月 前 | 1 件の回答 | 0

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質問


How to write a code to avoid a random number won't be generated again?
I want to write a Lotto code,the first six number will come from the first part,there will be 38 numbers,1~38, in the first part...

6ヶ月 前 | 1 件の回答 | 0

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質問


Why do we set r=r+1 when (x(t)-rangeX(r))*(x(t)-rangeX(r+1))>0 in the uniform variables code
a=3; b=7; T=10^6; BinW=0.01; x=zeros(1,T); rangeX=3:BinW:7; Count=zeros(1,length(rangeX)-1); for t=1:T ...

6ヶ月 前 | 1 件の回答 | 0

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質問


If i want to use the other m.file in a single m.file,is there any instruction code i can use?
If i have three m. files,codeA,codeB and codeC,now i will use codeB and codeC to find something in my codeA,first m file,is ther...

6ヶ月 前 | 2 件の回答 | 0

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質問


What instruction code can i use if i want to update the former parameter value by using the latter parameter value ?
I write a code ,and the latter part of code will produce a new parameter value to update the parameter value in the former part ...

6ヶ月 前 | 1 件の回答 | 0

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