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# SURAJ KUMAR

### IIT Roorkee

31 total contributions since 2020

Ph.D. Scholar

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Submitted

Heuristic Optimization Visualization With Matlab Code
I created this code to explain the basic concept behind heuristic optimization with visualization using MatLab plot.

Submitted

Fuzzy Logic Controller on Boost Converter
Matlab Simulation file of Fuzzy Logic Controller implemented on DC-DC boost converter for a head-start in this field.

Submitted

Fuzzy Logic Controller on Buck Converter
Matlab Simulation file of Fuzzy Logic Controller implemented on DC-DC buck converter for a head-start in this field.

Submitted

Fuzzy Logic Controller on Buck-Boost Converter
Matlab Simulation file of Fuzzy Logic Controller implemented on DC-DC buck-boost converter for a head-start in this field.

Submitted

Visualize droop characteristic of Synchronous generators
Visualize droop characteristic of Synchronous generators

Solved

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

Solved

Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

Solved

Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

Solved

Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

Solved

Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

Solved

Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

Solved

Return area of square
Side of square=input=a Area=output=b

Solved

Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

Solved

Given a and b, return the sum a+b in c.

Submitted

Perturb and Observe MPPT
Tracks MPP of the PV system using P&O Algorithm

Submitted

Beta MPPT Method
Tracks MPP of the PV system using Beta Algorithm designed by S.Jain

Submitted

Variable Step Size INC MPPT
Modified INC MPPT, Tracks MPP faster than Conventional INC MPPT

Solved

Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

Solved

Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

Submitted

Incremental Conductance MPPT
Incremental Conductance MPPT tracks MPP of PV using Incremental Conductance ALgorithm

Submitted

Longest Binary 1's string Detection
This code detects the longest 1's string in any given string

Solved

Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

Submitted

Prime Number Detection in a MAtrix
This code can find all the prime numbers in a given matrix.

Solved

Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

Solved

Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

Solved

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

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]; ...

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...

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...