# Chetan Fadnis

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**Content Feed**

Question

LDPC encoding using MATLAB encoder

Hello, I am writing following code, for encoding data to LDPC encoded bit stream. But it is giving error, Kindly help, I = ...

3 månader ago | 1 answer | 0

### 1

answerQuestion

Energy consumption model for 5G NR LDPC encoder circuit?

I am working with the MATLAB encoders and decoders for LDPC coding, can you please help me how to find the energy consumption fo...

3 månader ago | 1 answer | 0

### 1

answerQuestion

how to generate continuous data symbol (random real number)?

Consider a symbol s, with zero mean, E{s}=0, variance 1 and amplitude A=2, such that, . I want to generate a random real numbe...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

While loop and optimization

I am trying to optimize certain values using golden search, inside while loop. To initialize I assign a value to a variable (say...

mer än ett år ago | 1 answer | 0

### 1

answermatrix multiplication A[5*1] and B[250*1] orders

C=repelem(A,50); T=C.*B;

mer än ett år ago | 0

| accepted

Question

matrix multiplication A[5*1] and B[250*1] orders

I have a matrix A of order [5*1] and matrix B of order [250*1]. I want to multiply first element of matrix A with first 50 elem...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

Selecting one channel out of many wireless channel based on max channel gain?

Sir, I have following code for selecting one channel out of 5 channels. C0=10^-3; %path los...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

matlab indexing issue with range -pi:pi

I have following code, which i need to plot for alpha versus theta. But i am unable to index it properly. Kindly help. Thanks ...

nästan 2 år ago | 1 answer | 0

### 1

answerQuestion

random bit to a block of some fix length?

Sir, Suppose, I have a binary data sequence and want to modulate it using say M-QAM, M=16 (k=log2(M)=4bits) x=[0110001010100...

nästan 2 år ago | 1 answer | 0

### 1

answerQuestion

Brute force for finding optimal value

I have a function Say, f(x)=(1-0.5)*[(sin(x-0.25))/2]+0.5. and x lie in range [-pi,pi], which need to be optimized such that th...

nästan 2 år ago | 2 answers | 0

### 2

answersQuestion

Brute Force for finding optimal value?

Sir, I have a optimization parameter say, x in range [-pi, pi]. I have to find optimal value of x such that it maximizes the fun...

nästan 2 år ago | 2 answers | 0

### 2

answersQuestion

How to select the column of matrix?

I have a 10*5 matrix, say A. I calculate vecnorm, B=vecnorm(A), which gives me values of norm-2 of each column, of order (1*5) ...

nästan 2 år ago | 1 answer | 0

### 1

answerQuestion

how to Select a particular column with maximum values?

I generate a martix of say dimension 10*5; from this matrix I have to select the best column. Final matrix is of order 10*1. Ho...

nästan 2 år ago | 1 answer | 0

### 1

answerQuestion

How to add border to graph

Hello All, I am attaching a snapshot, where I am finding difficult to plot the side (Right) and top border in the MATLAB plot...

ungefär 2 år ago | 1 answer | 0

### 1

answerQuestion

Code-m file for Sampling

Write a MATLAB code to 1) Generate a band limited signal (at extremely high sampling rate to approximate it as a continuous si...

mer än 2 år ago | 2 answers | 0

### 2

answersQuestion

Objective value until convergence

I am writing a code which repeat until the convergence is reached. What decides the convergence of a objective? And how to repea...

mer än 2 år ago | 1 answer | 0

### 1

answerQuestion

dinklebach fractional program using cvx

Can someone please help me by sharing the sample code for dinklebach fractional program using cvx, for maximizing ratio x/y. I a...

mer än 2 år ago | 0 answers | 0

### 0

answersQuestion

Fractional program using CVX

I was trying to solve an optimization problem : max x1/x2, (fraction/ratio) using cvx. With linear constraints and applying dink...

mer än 2 år ago | 0 answers | 0

### 0

answersQuestion

Matrix with different order

I want to use 10*1 matrix for N=10, now as I keep changing N =20,30,40,50, matrix order must also change like, 20*1,30*1,40*1,5...

mer än 2 år ago | 0 answers | 0