# Abdul Basith Ashraf

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**Content Feed**

Question

Getting Error in port widths or dimensions - in AWGN block

Im getting these errors on compiling Error in port widths or dimensions. 'Output Port 1' of 'topModel_DeepRL5/AWGN Channel/Ra...

1 year ago | 0 answers | 0

### 0

answersI am wondering if this a no output no input function. If it is not what type of function is it?

Its basically a script. It is as good as having a file named "Lunch.m" having the two lines: imread('Lunchmenu.jpg'); imshow...

1 year ago | 0

Question

clear a MATLAB function after an episode

There is a persistent variable in a function and I need to clear it before every episode of deep RL training. How do I achieve t...

1 year ago | 1 answer | 0

### 1

answerQuestion

Saved agent always gives constant output no matter how or how much I train it

I trained a DDPG RL Agent in Simulink environment. The training looked fine to me and I saved agents in the process. I trained ...

1 year ago | 1 answer | 1

### 1

answerQuestion

After training my DDPG RL agent and saving it, unexpected simulation output

After training my DDPG RL agent and saving it, it does not produce the expected result. After training, first I ran the simul...

1 year ago | 1 answer | 0

### 1

answerQuestion

How does one make clickable links to execute MATLAB commands from Simulink?

When I annotate the following line in Simulink <a href="matlab:1+1">add</a> I get it in text form. It doesnt even get converte...

2 years ago | 1 answer | 0

### 1

answerQuestion

Change learning rate of RL DDPG networks after 1st training

I trained my DDPG networks using a particular learning rate. Now I want to improve the network by using a lower learning rate. ...

2 years ago | 0 answers | 1

### 0

answersQuestion

Dynamically change a block input during Deep Reinforcement Learning after each episode. How To?

I have a constant block that takes a single input from the base MATLAB workspace. How do I set up my enviroment such that it acc...

2 years ago | 1 answer | 0

### 1

answerWhy is Simulink browser blank?

I had the same issue. The problem is that the Simulink window (also others like add-on explorer) tend to work only at a particul...

3 years ago | 2

Submitted

Gamma Phi Modelling

T-x-y Diagram for Methanol/Methyl Acetate system

3 years ago | 6 downloads |

How to check MATLAB version and choose compatible functions?

v= ver('MATLAB'); if v.Release=="(R2018a)" %Code elseif v.Release=="(R2019b)" %Code end

3 years ago | 0

Question

How to check MATLAB version and choose compatible functions?

sgtitle is available in MATLAB R2019b but not in R2018a suptitle is available in MATLAB R2018a but not in R2019b. If I'm distr...

3 years ago | 3 answers | 0

### 3

answersQuestion

How to store text printed to console?

The following code >>system('WMIC CPU Get NumberOfLogicalProcessors') prints NumberOfLogicalProcessors 8 How can I sto...

3 years ago | 1 answer | 0

### 1

answerUsing vector input to anonymous function

>>y = @(x) 2.2*x/(1+1.2*x); >>x = linspace(0,1); >>y(x) ans = 0.7398 In the above, I tried passing a vector 'x' to ...

3 years ago | 0

Solved

Column Removal

Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

4 years ago

Solved

Select every other element of a vector

Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

4 years ago

Solved

Triangle Numbers

Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

4 years ago

Solved

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. Examp...

4 years ago

Solved

Find the sum of all the numbers of the input vector

Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

4 years ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]

In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

4 years ago

Solved

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:...

4 years ago