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# Sivakumar Selvam

### Prince Sultan University

46 total contributions since 2019

Electrical Engineer specialized in Power Electronics

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LC filter for inverter
Insert a DC link capacitor such way that it should reduce the ripples in the DC voltage. (say 1%).

9 días ago | 0

How to write code to plot graph of for this function
P=2020000;%P,R,a,b are all constants R=8.314; a=0.16330; b=0.00002401; v=[0:1:10];%range of v values for the x-axis y=((R*T...

4 meses ago | 0

Which files exactly i need to use for my project from the files generated by AUTOCODE??
Create a new project in that IDE, include all the ".c" and ".h" files in your project except ert_main.c. Instead of ert_main.c, ...

4 meses ago | 0

How to convert ir speed sensor output to rpm which can be feedback through dspace ds1104?
Frequency of the pulse train is equal to the speed of the machine in RPS(Rotation per second). Dividing RPS/60=RPM. You need a f...

6 meses ago | 0

Battery State of charge estimation
You can estimate battery SoC by measuring battery terminal voltage.

6 meses ago | 0

Solved

Column norms of a matrix
Given a matrix M, return a vector y such that for each k y(k)=norm(M(:,k)) (y(k) is the Euclidean norm of the k-th col...

6 meses ago

Solved

Solve a System of Linear Equations
*Example*: If a system of of linear equations in _x&#8321_ and _x&#8322_ is: 2 _x&#8321;_ + _x&#8322;_ = 2 _x&#83...

8 meses ago

Solved

Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

8 meses ago

Solved

Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

8 meses ago

Solved

Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

8 meses ago

Solved

Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

8 meses ago

Solved

Split a string into chunks of specified length
Given a string and a vector of integers, break the string into chunks whose lengths are given by the elements of the vector. Ex...

9 meses ago

Solved

Cell Counting: How Many Draws?
You are given a cell array containing information about a number of soccer games. Each cell contains one of the following: * ...

9 meses ago

Solved

Guess Cipher
Guess the formula to transform strings as follows: 'Hello World!' --> 'Ifmmp Xpsme!' 'Can I help you?' --> 'Dbo J ifmq zpv...

9 meses ago

Solved

Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

9 meses ago

Solved

Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

9 meses ago

Solved

Create a vector
Create a vector from 0 to n by intervals of 2.

9 meses ago

Solved

Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

9 meses ago

Solved

Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

9 meses ago

Solved

Find max
Find the maximum value of a given vector or matrix.

9 meses ago

Solved

Get the length of a given vector
Given a vector x, the output y should equal the length of x.

9 meses ago

Solved

Inner product of two vectors
Find the inner product of two vectors.

9 meses ago

Solved

Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

9 meses ago

Solved

Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

9 meses ago

Solved

Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

9 meses ago

Solved

Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

9 meses ago

Solved

Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

9 meses ago

Solved

Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

9 meses ago

Solved

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...

9 meses ago

Solved

Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

9 meses ago