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Sadiq Akbar

Last seen: Today Active since 2015

I am Sadiq Akbar, a keen learner in Matlab

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How to code for the following coordinates?
I did it myself. So if any body needs it, here it is: clear all clc N=11;%9;%7; d=0.5; r=zeros(N,3); x=[0 d:d:(N-1)/2*d ze...

24 jours ago | 0

| accepted

Question

How to code for the following coordinates?
Let N denotes no. of antennas placed along an axis.Now if I have total 7 antennas i.e., N=7 and I place each antenna 0.5 apart o...

24 jours ago | 2 answers | 0

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How to modify the code to get my desired array?
If we keep 10 antennas at equal distance in a circle on XY-Plane, then their coordinates are given by the code given below: fun...

environ un mois ago | 1 answer | 0

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Why does my function abc give error with optimtool
I have a function file abc. I want to run it with optimtool ga. I do settings in the Optimtool as below: Solver: ga-Genetic Alg...

environ un mois ago | 1 answer | 0

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How to plot like this????????
I want to draw my plot like the one shown in the attachment. I tried but in vain.

environ un mois ago | 1 answer | 0

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How to make size of legend window on a figure window as small as we desire?????
I have drawn my plot having a legend window on it. The legend is coming over the graph lines. I want to make size of the legend ...

environ un mois ago | 1 answer | 0

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Why this piece of code gives error?
CostFunction='fun4sn0'; nPop=120; nVar=4;%nVar=1000; nPop_Initial=nPop; nPop_Final=30; MaxNFE=3e3; MaxIter0=ceil(MaxNFE/...

4 mois ago | 2 answers | 0

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Why this gives error?
LB=[0 0 0 0]; UB=[10 10 pi pi]; particles_x(1,1)=LB+rand*(UB-LB)

4 mois ago | 2 answers | 0

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How to draw a pulse train
I want to draw a pulse train in Matlab like the one shown blue in attached picture. The duration of each pulse is Tp and there a...

5 mois ago | 1 answer | 0

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How to plot peaks on desired location in a 3D plot?
There are two vectors that will make an xy-plane. I want to draw a peak pointing in z-direction on a desired location on the xy-...

6 mois ago | 1 answer | 0

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How to plot a 3D plot from three linear vectors?
I have three vectors x ,y and z. The size of all of them are same.But all of them are 1D arrays. I want to draw a 3D plot from t...

6 mois ago | 1 answer | 0

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MATLAB libraries of DHT11 sensor
@ MathWorks MATLAB Hardware Team If the DHT11 sensor is connected to my Arduino and I want to read the temperature and humidi...

9 mois ago | 1 answer | 0

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Why do upsample and downsample commands give wrong results in start of sequence?
I have a code for upsampling an input sequnce x and then downsampling it back to original by a factor 3. When I look at the plot...

9 mois ago | 3 answers | 0

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Everything being the same, then why does matrix C give different values in the two codes?
All the values are the same in both the codes, then why does matrix C give different values in both the codes? code1: u=[30 50...

10 mois ago | 1 answer | 0

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I want to implement these equations in MATLAB but how?
The equations are given in the attachment. Assume lambda=1. How to implement the given equations in MATLAB?

10 mois ago | 1 answer | 0

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How to separate the MIMO code only from given code?
The given code treats three types of system namly PHASED-ARRAY RADAR, MIMO RADAR and PHASED-MIMO RADAR (K=5). I want to delete t...

10 mois ago | 0 answers | 0

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why the command "figure(gcf+1)" gives error?????
doas=[-30 -5 40]*pi/180; P=[1 1 1]; N=10; %Number of array elements K=1024; %Number of data snapshots d=0.5; %Distance bet...

11 mois ago | 1 answer | 0

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Why this code gives error?
Nc=31; N=5; M=3; K=3; tot_len=200; array_TX =[3.5086 0 0;2.6877 2.2553 0;0.6093 3.4553 0;-1.7543 3.0385 0;-3...

11 mois ago | 1 answer | 0

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Question

Why this code the given error?
close all; clear all; clc; vec = @(MAT) MAT(:); vecH = @(MAT) MAT(:).'; % M = 5; M = 10; N = 4; % N = 10; d = 0.5; K = 3...

11 mois ago | 1 answer | 0

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why this line gives error?
I have a code in which there is an error: %% 212 % Range 213 Range_hat(1) = Ranges(snapstart(1)); 214 Rangebin_hat...

environ un an ago | 2 answers | 0

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What are these commands in Matlab? Can any one explain them with examples. I searched them but didn't find any help
I don't understand the following commands in Matlab. I searched their help but in vain. Can anyone explain them with examples? ...

environ un an ago | 1 answer | 0

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How to generate a Gaussian random complex vector of N elements
How can we generate a Gaussian random complex vector of N elements of zero mean and variance 1 in MATLAB ?

environ un an ago | 2 answers | 0

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How to rectify the error in this code?
I found a code for ESPRIT algorithm as below but it gives me this error: Undefined function or variable 'theatest3'. Error...

environ un an ago | 1 answer | 0

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Question

Covariance matrix as a diagonal matrix or not??????
The literature says that when three signals are uncorrelated i.e., they have different frequencies, then their COVARIANCE MATRIX...

environ un an ago | 1 answer | 0

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Can we use xcorr() for continuous signals
If we have two continuous signals as below: Then can we use xcorr() to find the correlation between them? close all; clc; clear...

environ un an ago | 0 answers | 0

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two coherent and two correlated signals in Matlab
How can we generate two coherent signlas in Matlab? Likewise how can we generate two correlated signlas in Matlab. Furhter how w...

environ un an ago | 2 answers | 0

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Problem in AWGN command
I have two matrices A and xx.. The dimension of the matrix A is 9 x 3 complex double and that of xx is 3 x 500 complex double. T...

environ un an ago | 1 answer | 0

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dividing a diagonal matrix into same and different diagonal elements
I have a diagonal matrix as: V = [ 0.0001 0 0 0 0; 0 0.0001 0 0 0; ...

environ un an ago | 1 answer | 0

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Why do these two codes give different covariance matrices?
1st code: S =[ 0.6661 - 0.7458i 0.4210 - 0.9071i 1.0000 + 0.0000i;-0.9127 + 0.4086i -0.8429 + 0.5381i 1.0000 + 0.0000i;1...

plus d'un an ago | 1 answer | 0

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Why does this code give error?
clear all close all N=100; fc=1.0e9; fs=20*fc; w=2*pi*fc/fs; n=0:N-1; s=sqrt(1.0)*exp(i*w*n); wn=sqrt(0.1/2)*(ra...

plus d'un an ago | 1 answer | 0

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