Statistica
RANK
9.812
of 301.275
REPUTAZIONE
4
CONTRIBUTI
2 Domande
5 Risposte
ACCETTAZIONE DELLE RISPOSTE
50.0%
VOTI RICEVUTI
0
CONTRIBUTI
0 Post
CONTRIBUTI
0 Pubblico Canali
VALUTAZIONE MEDIA
CONTRIBUTI
0 Punti principali
NUMERO MEDIO DI LIKE
Feeds
Domanda
I am trying to write matlab code for MIMO communication in frequency selective rayleigh fading channel enviorment,using comm.mimochannel system object. For equalization I need H values. How to get values of H if H is obtained as below
H = comm.MIMOChannel(... 'SampleRate',1000, ... 'PathDelays',[0 1e-3], ... ...
oltre 8 anni fa | 0 risposte | 0
0
risposteDomanda
I am executing the following code to realize 2X2 MIMO using comm.MIMOchannel system object. In the last line the variables chan_out and chan_out1 are having different outputs even though the instructions are same. Please help me rectifying the error
Nt=2;Nr=2; inpt=randi([0 1],Nt,3); hchan = comm.MIMOChannel(... 'SpatialCorrelation',false, ... 'NumTr...
oltre 9 anni fa | 2 risposte | 0
2
risposteI want to add a 20 by 20 matrix to a 50 by 50 matrix ? the resuting matrix should be of 50 by 50 .
A=5*ones(50) B=zeros(50); B(1:20,1:20)=2*ones(20); C=A+B;
circa 11 anni fa | 0
| accettato
Risolto
Reverse the elements of an array
Reverse the order of elements in an array: eg: input X = [ 1 2 3 ; 4 5 6 ; 7 8 9 ] o...
circa 11 anni fa
Risolto
Sum the numbers on the main diagonal
Sum the numbers on the main diagonal of an n-by-n matrix. For input: A = [1 2 4 3 6 2 2 4 7]...
circa 11 anni fa
Risolto
Replace Vector Elements
Replace all elements in a vector which are equal to or smaller than zero with 0.1. Example: A = [1 2 3 -1 0 2 -3 -80]; ...
circa 11 anni fa
Risolto
Set the array elements whose value is 13 to 0
Input A either an array or a vector (which can be empty) Output B will be the same size as A . All elements of A equal to 13...
circa 11 anni fa
Risolto
Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];
circa 11 anni fa
Risolto
Multiply a column by a row
* Given a column vector C and and a row vector R. * Output a matrix M. * Every column of M equals to C multiplied by correspon...
circa 11 anni fa
Risolto
Rotate a Matrix by 90 degrees
Rotate a Matrix by 90 degrees Example: If the input is: X = 1 2 3 4 5 6 7 8 9 ...
circa 11 anni fa
Risolto
Compute a dot product of two vectors x and y
x and y are input vectors, d is a number and contains their dot product
circa 11 anni fa
Risolto
Program an exclusive OR operation with logical operators
Program an exclusive or operation *without* using the MATLAB function xor. Use logical operators like |, &, ~, ... instead. ...
circa 11 anni fa
Risolto
Back to basics 8 - Matrix Diagonals
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector of numbers, output a square array with the...
circa 11 anni fa
Risolto
Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...
circa 11 anni fa
Risolto
Back to basics 6 - Column Vector
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...
circa 11 anni fa
Risolto
Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...
circa 11 anni fa
Risolto
Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.
circa 11 anni fa
Risolto
Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]
circa 11 anni fa
Risolto
Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...
circa 11 anni fa
Risolto
Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.
circa 11 anni fa
Risolto
Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.
circa 11 anni fa
Risolto
Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...
circa 11 anni fa
Risolto
Lightning strike distance: Writing a function
Write a function named LightningDistance that outputs "distance" given input "seconds". Seconds is the time from seeing lightnin...
circa 11 anni fa
Risolto
radius of a spherical planet
you just measured its surface area, that is the input.
circa 11 anni fa
Risolto
Make one big string out of two smaller strings
If you have two small strings, like 'a' and 'b', return them put together like 'ab'. 'a' and 'b' => 'ab' For extra ...
circa 11 anni fa
Risolto
Sorted highest to lowest?
Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1
circa 11 anni fa
