Dyuman Joshi

Last seen: Today | Active since 2012

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Mechanical Engineer IITG'20

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MATLAB
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Redefine the Array if the Elements in the Array are Repeating
Check if the Array has any repeating elements, if there are repeating elements then choose "n" as a number of times you want tha...

etwa 18 Stunden ago

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Bernoulli's Equation
Bernoulli's equation states that for an incompressible fluid the following summation is constant across the flow: v^2/2 + g*z + ...

ein Tag ago

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Find the gcm of n given values
Create a function that given n integer values greater than zero, finds the two numbers with the greatest common divisor and retu...

3 Tage ago

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Construct the Seidel-Entringer-Arnold triangle
Several problems in Cody ask us to construct part or all of triangles in which entries follow a pattern. Cody Problems <https://...

3 Tage ago

Answered
Partial Differentiation of a function with exponential is different from other calculators
There's nothing wrong with your answer, it's just simplified version of it. 2 from numerator and denominator is cancelled out an...

3 Tage ago | 1

| accepted

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Regex match
Many regular expression engines have a simple function to quickly know whether a regular expression entirely matches a string or...

4 Tage ago

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Count the peaceful queens
In a 5x5 chessboard with a queen of one color (white, say) on the perimeter, one can place 12 black queens on the board such tha...

4 Tage ago

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Breaking Out of the Matrix
Do you want to take the Red Pill, or the Blue Pill? If you take the Blue Pill, you will simply pass along to the next problem...

4 Tage ago

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How close to a hole
Suppose you have a description of good places (ones) and bad places (zeros). You want to know your distance from a bad place (in...

5 Tage ago

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Determine whether a number is practical
A number is practical if all smaller numbers can be written as a sum of the proper divisors of . The number 24 is practical bec...

5 Tage ago

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Squares in Squares - Concentric Squares
Given a number, n, create an n x n sized matrix with concentric squares of 1s from the outside in. There should be a gap between...

6 Tage ago

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Find similar sequences
Another problem inspired by a question on the <http://www.mathworks.com/matlabcentral/answers answers> forum. Given a matrix ...

7 Tage ago

Solved

geometric progression
I've modified my <http://uk.mathworks.com/matlabcentral/cody/problems/2800-arithmetic-progression previous program> so that it n...

7 Tage ago

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arithmetic progression
I've written a program to generate the first few terms of <https://en.wikipedia.org/wiki/Arithmetic_progression arithmetic progr...

7 Tage ago

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Generate the Figure-Figure sequence
After discussing Scott Kim’s FIGURE-FIGURE Figure (below) in Gödel, Escher, Bach, Douglas Hofstadter introduced an integer seque...

8 Tage ago

Answered
changing timestamp t and plotting the results.
I am not sure if pause works here on the online/live editor, but it works nicely offline. %building on Torsten's code n=5; dt...

8 Tage ago | 0

Answered
Storing a variable and calling it out again to use and plot
How can you plot with different numbers of x values and y values? x =-0.8:0.8:5; T=ones(1,5); T(1,5)=40; numel(x) numel(T) ...

9 Tage ago | 0

Answered
adding a variable into a vector
Your deltax is incorrectly defined and due it all subsequent calculations are incorrect as well. %It should be L=0.8; gridpoi...

9 Tage ago | 0

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Project Euler: Problem 9, Pythagorean numbers
A Pythagorean triplet is a set of three natural numbers, a b c, for which, a^2 + b^2 = c^2 For example, 3^2 + 4^2 =...

9 Tage ago

Answered
where is the error in my code?
syms doesn't go with function handles. fplot is purely for symbolic function, not function handles. V1 = @(w) -acosh(10*(w./(2...

12 Tage ago | 0

Answered
How to return values mapped to a variable?
Not sure what you want exaclty a = [1 2 3 4 5 6 7 8 9 10]; b = [4 5 12 45 21 52 69 10 22 0]; a_temp = isprime(a) b_temp = b(...

12 Tage ago | 0

Solved

perfect square
Perfect square is amazing, so we have problems like 45183, 34482, 44683, and 44957. But how can we find a large number is a pe...

12 Tage ago

Answered
Reverse order of X axis
Building on @Image Analyst's comment, reversing the x-tick labels Exp = 0:15; % Days to expiration P = linspace(10, 30, leng...

13 Tage ago | 0

| accepted

Answered
How to get a data set using Mean and standard deviation
mu=63; sigma=2.3; %generate normally distributed numbers y=randn(1,10); y=sigma*(y-mean(y))/std(y)+mu mean(y) std(y)

14 Tage ago | 0

| accepted

Answered
I want to obtain value of "W" for different combination of values of (psi,r) example. "W" for (psi=0.0001,r = 2.1891) ; (psi=0.001,r = 2.1940); (psi=0.01,r = 2.2373) and so on
%loop psi=[0.0001,0.001,0.01]; r=[2.1891,2.194,2.2373]; for i=1:numel(psi) W(i)=calculateW(psi(i),r(i)); end W %array...

15 Tage ago | 0

| accepted

Solved

Image Processing 2.1.1 Planck Integral
Integrate the Planck function in Lambda (um) at T (K) accurately and quickly to find Radiance for a Lambertian source. Planck...

15 Tage ago

Answered
find node with maximum degree
Your "label" seems incorrect. node=[1 2 3 4 5 6 7 8 9 10 11 12 13 14 15]; degree=[11 11 12 10 15 10 8 14 12 1 8 6 2 18 5]; de...

15 Tage ago | 0

Solved

Choose group with people
How many ways can you choose n groups of n people from n^2 people, assuming the groups are distinct? The number of people is gi...

17 Tage ago

Solved

Split bread like the Pharaohs - Egyptian fractions and greedy algorithm
How would you split 5 loaves of bread among 8 people in all fairness? Get a hint from the Pharaohs. 5/8 = 4/8 + 1/8 , i.e. each ...

17 Tage ago

Solved

GJam: 2013 Rd1a Bullseye Painting
<http://code.google.com/codejam/contests.html Google Code Jam> 2013 Round 1a Bullseye challenge is to determine how many full ri...

20 Tage ago

Dyuman Joshi

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