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Dyuman Joshi


Last seen: Today Active since 2012

Mechanical Engineer IITG'20

Programming Languages:
MATLAB
Spoken Languages:
English
Professional Interests:
Fluid Dynamics, Aerospace Engineering, Aerodynamics, Computational Fluid Dynamics (CFD)

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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...

9 hours ago

Solved


Determine if input is a perfect number
A perfect number occurs whent the sum of all divisors of a positive integer, except the number itself, equals the number. Examp...

12 hours ago

Solved


String substitution, sub problem to cryptoMath
This is a sub problem related to this problem: <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition>...

2 days ago

Solved


Calculate a modified Levenshtein distance between two strings
Inspired by the Cody problem found here. The Levenshtein distance is a charater-based string metric used to measure the differe...

2 days ago

Solved


Calculate the Levenshtein distance between two strings
This problem description is lifted from http://en.wikipedia.org/wiki/Levenshtein_distance. The Levenshtein distance between two...

2 days ago

Answered
apply if-else-statement to a 3D matrix
The syntax for comparing multiple conditions is individualistic in MATLAB, i.e. you have to write code for each condition indivi...

4 days ago | 0

| accepted

Answered
How i can concatenate the binary values of each two cell arrays into one binary value cell array?
as = {'1011','0001','0100','0110','1111','0111'}; str=strcat(as(1:2:end),as(2:2:end))

4 days ago | 0

| accepted

Answered
Invalid Array Indexing when trying to plot the function
You forgot operation signs in a few places ((O^(1-n))./(4^n*a*x*pi^(1-n)*p))*(d_i^(2*n+1)+2*a(2*n+1)(4*O./pi)^(n)*t)^((2*n-1)....

4 days ago | 1

Solved


Sum the unitary divisors of a number
Cody Problems 1933 and 46898 deal with , the sum of divisors function. This problem deals with , the sum of unitary divisors fun...

5 days ago

Solved


Count the unitary divisors of a number
Cody Problem 56738 asks for a list of the unitary divisors of a number. For this problem, write a function to count the unitary ...

5 days ago

Solved


List unitary divisors of a number
A unitary divisor of a number divides and satisfies gcd(,) = 1. For example, 9 is a unitary divisor of 18 because gcd(9,2) = ...

5 days ago

Solved


Cross ("+") flag returns
Given two numbers, [m, n], return a matrix of size m x n which has all elements of the centre column and centre row set as 1, an...

5 days ago

Solved


Rescale Scores
Each column (except last) of matrix X contains students' scores in a course assignment or a test. The last column has a weighted...

7 days ago

Answered
specific RGB color in plot3
A=randi(100,10,3); %Marker size 5 is a bit small for a good visual plot3(A(:,1), A(:,2), A(:,3), 'LineStyle', 'none', 'Marker'...

9 days ago | 0

| accepted

Solved


return row and column indices given 2 values which define a range
Inspired by problem http://www.mathworks.co.kr/matlabcentral/cody/problems/856-getting-the-indices-from-a-matrice Inputs: - matr...

9 days ago

Solved


Acid-Base Chemistry: Which side of the reaction is more favorable?
In an Acid-Base reaction, there is always going to be an acid, a base, a conjugate acid, and a conjugate base. When provided wit...

10 days ago

Solved


GJam March 2016 IOW: Cody's Jams
This Challenge is derived from <http://code.google.com/codejam/contest/8274486/dashboard GJam March 2016 Annual I/O for Women Co...

12 days ago

Solved


Basics - not so easy division
Please make a function whcih divides x/y, but pay attention for some exceptions with NaN,0,Inf. Sometimes return "ERROR" instead...

14 days ago

Answered
Error during integration after differentiation
When you declare x as a symbolic variable, g will defined a symbolic variable as well. And as the error states, integral3 requir...

16 days ago | 0

Solved


Exact Cover
An efficient solution to the exact cover problem can be useful in many situations. In this problem, you are welcome to use Knuth...

17 days ago

Solved


Cricket - You Miss, I Hit (Rank Bowlers by Proportion of Bowled and LBW Wickets)
Which bowlers threaten your stumps the most? Given a table of all wickets taken during some particular set of matches and two th...

18 days ago

Solved


Cricket - Most Frequent Bowler-Batter Wicket Combinations
Given a table representing all wickets taken in a particular set of matches, return a table of the bowler-batter pairs that occu...

19 days ago

Solved


Compute the drag on a moving vehicle
We assume no rolling resistance, and the simple rule for Drag : , where is the density of the fluid (assumed at 1.2 ), is the ...

19 days ago

Solved


Slope intercept application
Find y given slope (m), x, and y intercept (b).

19 days ago

Solved


Remove Duplicates
Remove duplicates from the vector of integers and display in sorted order

19 days ago

Solved


Cricket - Represent Average in "Dulkars" and "Ses"
Sachin Tendulkar's Test average was 53.78. So if Tendulkar = 53.78, one dulkar = 5.378. Similarly, Roger Twose's average was 25....

19 days ago

Solved


Determine if vector has any zeroes
Return 1 if vector has atleast 1 zero, else return 0

19 days ago

Solved


Cricket - Average Partnership Contribution
The (infamous) Duckworth-Lewis method uses statistical models of how much each wicket partnership is worth to an innings (on ave...

19 days ago

Solved


Cricket - Is It LBW?
LBW has an unfair reputation as complicated. But if you've watched a third umpire referral, you'll know that it's just a logical...

20 days ago

Solved


Cricket - Peak Batting Average
Given a vector s of strings representing a batter's individual innings scores (in chronological order), return the highest batti...

20 days ago

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