Community Profile

photo

Yuan Li


Last seen: plus d'un an il y a |  Actif depuis 2019

Followers: 0   Following: 0

Statistiques

All
  • Knowledgeable Level 2
  • Solver
  • First Answer

Afficher les badges

Feeds

Afficher par

Question


The number of m sequence of the fixed length 2^n-1
I wanner know the number of m sequence for the fixed length 2^n-1. The related reference will help, too. Thank you very much!

plus de 4 ans il y a | 1 réponse | 0

0

réponse

A répondu
How to cut dimensions of 3d arrays in a cell.
B = cell(34,1); for ii = 1:34 B{ii} = precips{ii}(700:720,300:360,:); end Then you will get a new cell, each element of ...

plus de 4 ans il y a | 0

| A accepté

A répondu
Is there a command ( like "sort" for example ) arranges vector elements ascending ,max, descending (humped shap)?
Yes. Use sort. e.g. a = [1,3,2,4]; b = sort(a,'ascend');% b = [1,2,3,4] c = sort(a,'descend');% c = [4,3,2,1]

plus de 4 ans il y a | 0

A répondu
How to generate a rectangular signal or wave of ?( ?/6 ) using the sign function.
t = 0:0.1:100; a = sign(sin(pi.*t./6)); figure,plot(t,a); ylim([-1.5 1.5]);

plus de 4 ans il y a | 1

A répondu
What actually this code explains? where it is used and how to interpret it?
In the signal processing field, y is the power of signal x. the square of 2-norm of x can be seen as energy of x, numel(x) is t...

plus de 4 ans il y a | 1

A résolu


Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

plus de 4 ans il y a

A résolu


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

plus de 4 ans il y a

A répondu
How to select every nth value with the last value fixed from a column?
use a = original_vector(1:100:4901);

plus de 4 ans il y a | 0

| A accepté

A résolu


Read a column of numbers and interpolate missing data
Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

plus de 4 ans il y a

A répondu
How to break or split a line at NaN points in 1x15000 csv file?
You can start with finding the position of NaN, for example: a is your loaded data array; then use [m,n]=find(isNaN(a)); you...

plus de 4 ans il y a | 0

A répondu
About complex variables functions,a a ridiculous problem! who can help me?
You need to refer the Complex Function to answer the question. The second step to the third step is not like that in complex fun...

plus de 4 ans il y a | 0

A répondu
How can I change where a variable is placed within the field width using fprintf?
fprintf(fid,['%' num2str(length(q.labels{i})) 's\t'],q.labels{i}); change the code in the for loop will help you solve the prob...

plus de 4 ans il y a | 0

| A accepté

A répondu
How can i find the BER of 4-QAM ?
In the matlab command window, type "bertool", and choose some specific options, then you will get your curve.

plus de 4 ans il y a | 0

| A accepté

A répondu
Fill a vector based on another vector
A(1:sum(B(:))) = 0; I hope the code can help you.

plus de 4 ans il y a | 1

A répondu
taylor series using forward method
I can't figure out the relationship between the following codes: f(i)=(f(x + h(i)) - f(x))/ (h(i));% evaluating the derivative ...

plus de 4 ans il y a | 0

| A accepté

A répondu
For Loop using in an array to find the value one by one
Use matrix operation directly. F = 0.4*20 + A; Then, F will be the vector you want.

plus de 4 ans il y a | 0

| A accepté

A répondu
Averaging 3D matrix value and reshape
A = zeros(15,8,40); A = June21_Once_StillMat(1:end,2:9,1:end); A1 = mean(A,3); then you will get a 15by8 matrix(mabe you need...

plus de 4 ans il y a | 0

A répondu
Too many output arguments
I can get the result using r2014a. I used the same input in your screen shot.

plus de 4 ans il y a | 0