Community Profile Last seen: 2 dagen ago Active since 2015

I am Sadiq Akbar, a keen learner in Matlab

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Question

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...

8 dagen ago | 2 answers | 0

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Question

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? ...

8 dagen ago | 1 answer | 0

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Question

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 ?

2 maanden ago | 2 answers | 0

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Question

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...

2 maanden 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...

2 maanden ago | 1 answer | 0

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Question

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...

2 maanden ago | 0 answers | 0

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Question

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...

2 maanden ago | 2 answers | 0

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Question

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...

2 maanden ago | 1 answer | 0

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Question

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; ...

3 maanden ago | 1 answer | 0

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Question

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...

3 maanden ago | 1 answer | 0

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Question

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...

3 maanden ago | 1 answer | 0

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Question

Why this code gives error?
clear all close all N=1001; f1=1.0000e9; f2=1.0200e9; fs=4*f1; w1=2*pi*f1/fs; ...

3 maanden ago | 4 answers | 0

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Question

How to form covariance matrix of this?
I have a complex matrix as: S = 0.6661 - 0.7458i 0.4210 - 0.9071i 1.0000 + 0.0000i -0.9127 + 0.4086i -0.8429 + 0....

3 maanden ago | 0 answers | 0

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Question

How to install a Matlab package offline?????
I have downloaded the following Matlab packages from Mathworks site. 1.Matlab support package for arduino 2-Simulink support p...

3 maanden ago | 1 answer | 0

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Question

Why the result of SQP algorithm varies each time when we change the starting point xo?
I have this code for running the SQP algorithm which is as follows: OPTIONS = optimoptions('fmincon','Algorithm','sqp','Display...

3 maanden ago | 1 answer | 0

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Question

Why each time algorithm "interior point" is shown in output even if I use different algorithm?
My fitness function is as below: function out=myfitness(b) u = [1 2 3 4]; out1 = u-b; out = sum(out1.^2,2...

3 maanden ago | 1 answer | 0

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Question

How to convert this C++ code into Matlab or How can I run this into Matlab
The following is a C++ code of CRO. How can we convert this into Matlab code or how can we run it in Matlab? #include "CRO.h" ...

4 maanden ago | 1 answer | 0

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Question

How to write a code for the following?
I have two vectors u=[u1 u2 u3 u4]=[1 2 3 4]; and b=[b1 b2 b3 b4]=[1 2 3 4]; For M=4 and N=3, I want a to get a row vect...

5 maanden ago | 0 answers | 0

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Question

how to plot it?
I have the following code. I want a plot between var1 vs e where var1 is along x-axis and ranges from 0 to 10. th=pi/180; b=[v...

6 maanden ago | 1 answer | 0

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Question

Error in entropy function
I use the entropy function given belwo for my data, but Matlab gives me an error. e=entropy(x,'shannon') Matlab gives me this...

9 maanden ago | 1 answer | 0

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Question

How to put a preview figure window in a main figure window
I have a code that gives me the plot of my data. I want to put the same plot figure as a preview in top left corner of the same ...

9 maanden ago | 1 answer | 0

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Question

how to make intervals in a bar graph
Suppose I have some people and they are of different weight, e.g. weight in Kq: 40-45 45-50 50-55 55-60 60-65 No. ...

9 maanden ago | 2 answers | 0

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Question

how to get a cdf plot of my data
I have run Flower Pollination Algorithm 100 times and have got readings of fitness values. The values of my fitness are as follo...

10 maanden ago | 1 answer | 0

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Question

How to overwrite labels and data in an excel file?
If I have an Excel file having labels in columns A1,B1,C1,D1,E1,F1,G1,H1,I1 and J1. Below the labels are numeric data. Now if I ...

10 maanden ago | 1 answer | 0

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Question

How to export a figure into MS Word?
If I have 8 figures opened in Matlab. How can I export these figures into an MS Word document?

10 maanden ago | 1 answer | 0

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Question

how to know the dimension of a figure window and then draw my own according to same dimension
If I have a figure window which is open. How can I know its dimesnion? I mean how can I know its size (length and width)? Once I...

10 maanden ago | 1 answer | 0

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Question

how to arrange vectors in descending order?
I have 100 vectors of size 100x8 each as is given in the attachment. I want to arrange them in descending order row-wise only.i....

10 maanden ago | 2 answers | 0

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Question

How to draw a histogram of my data?
I have two vectors a and b, where they are as follows: b=1:100; a=1e-18:1e-15; I want to draw a histogram of them such that a...

10 maanden ago | 1 answer | 0

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Question

MSE and RMSE of a matrix
I have a reference vector u of size 1x8. In this matrix the 1st four columns are voltage readings and last four columns are curr...

10 maanden ago | 1 answer | 0