Community Profile

# 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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Find the point of intersection of tangents.
Given two points on a conic, find the point of intersection of the corresponding tangents. The conic is given in Cartesian coor...

43 minutes ago

How can I use one row having full data whose elements repeat [like A(:,1) below] to query another data of the same type but having some elements missing?
A = [0 10; 0 20; 1 30; 1 40; 2 50; 2 60; 3 70; 3 80; 4 90; 4 100; 5 10; 5 20]; B = [0 110; 0 210; 1 300; 1 405; 2 606; 3 707; 3...

1 hour ago | 0

Solved

Script file size
Determine the file size of a script, "function.m". This is the base scoring method for Cody and the Matlab Contests. A method ...

2 days 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,....

3 days ago

Solved

In mathematics, a Hadamard matrix, named after the French mathematician Jacques Hadamard, is a square matrix whose entries are e...

3 days ago

Taking one dimension of a matrix
in = rand(972,48,128); out = in(1,:,:); size(out)

4 days ago | 0

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Attempt to grow array along ambiguous dimension. it happens when N,M are smaller then the total of A,B. can I make my code work for any value of N,M? if so how would I do that
The number of elements in C is greater than the total number of elements pre-allocated in res. You can not put 22 elements in 2...

5 days ago | 0

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What is the function of this button? Where is the corresponding official document link？
The function of the button is to generate Fixed-point data via a dialog box. I don't know if there is a documentation specifica...

5 days ago | 0

Error using * Dimension do not match
As you can see here, Jac is 2x2, thus inv(Jac) will also be 2x2 and f is 1x2. The multiplication of 2x2 with 1x2 is not possible...

5 days ago | 0

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Homogenuous differential equation with conditions
j=22; y=[-8.2,0.6]; As you can see below, you are using non integer values as an index, which is not possible. i = -8.2:j+0.6...

6 days ago | 0

How do I plot the different elements of a matrix in a single plot?
for t = 0:1:100 omega1 = 0.02*cos(0.15*t) + 0.03*sin(0.15*t); omega2 = 0.03*cos(0.15*t) - 0.02*sin(.15*t); omega3...

7 days ago | 0

Generate array of sequence pairs without iteration
A combination of repelem and repmat - M=13;N=8; %corresponding arrays m=1:M;n=1:N; out1=[repelem(m',N,1) repmat(n',M,1)] ou...

8 days ago | 0

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How to store values in matrix form for differn iteration
Use reshape() %in case of row array x=1:3500; y=reshape(x,7,500)' %in case of column array a=(1:3500)'; b=reshape(a,7,500)...

8 days ago | 0

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Convert Equastion to Matlab Code
Transfer Function Model Example for reference

9 days ago | 1

How do i plot many short horizontal lines when a value is available?
%random data A=randi(100,1,10) B=randi(100,1,12) %You can not use max, because A has less elements than B elements N=min([nu...

9 days ago | 0

Convert numeric 2D array to array of orders of values
I couldn't think of a vectorized solution (yet), so here is the for loop approach. If and when I find a vectorized solution, I ...

10 days ago | 0

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Solved

feeling VERY lucky?
Just like Matthew's problem 2793 and Edward's problem 2872 (guess the number that Cody is thinking) but now you must solve it in...

11 days ago

Variable passed through function doesn't work
How are you calling the function? Also, Use strcmp or isequal to compare strings behavior = 'drug' isequal(behavior,'drug') ...

11 days ago | 0

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can someone check the code i have problem
You can do that without defining C (If I understand what you want to do correctly) B = [4;6;4;6;6;4]; m = 6; n = 30; L = 200...

11 days ago | 0

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How to write this thetta fuction in Matlab? I have an example code in Python
@Beket, your code needs some changes 94th and 95th line of your code, you used b in c_rinf before defining it. c_rinf = @(r) Q...

11 days ago | 1

Writing IF STATEMENT that omits empty fields in different arrays of a structure
You need to use () with isempty, otherwise it would assume the input to be a string array y = []; isempty(y) isempty y %even...

12 days ago | 0

Arranging a vector to new index position
You mean like this n=15; E = randi(50,1,n) idx = randperm(n) Eprime = E(idx)

12 days ago | 2

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How can I rearrange this matrix into new one?
Assuming data is homogenous (In pairs throught-out), and end value is greater than or equal to first value. data=[50 67.5; ...

12 days ago | 1

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Why my function is not vectorized
dv = [1 5 10 20 50]; vc = sqrt(0.8*200*2*365*24*3600)/1000; figure for i = 1:5 dvc = dv(i); %vectorizing the functi...

12 days ago | 1

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How to create a matrix of ones and zeros with location of ones based on array that also contains zeros?
You get the error because the code includes 0 as an index. V = [3 1 1 5 0 4]; idx = V~=0; m = max(V); n = numel(V); R =...

13 days ago | 0

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Solved

Counting Permutations
In the permutations of the numbers 1 to n, count the number of permutations in which exactly m elements are greater than the pre...

13 days ago

How to change entries in matrix based on another matrix?
A=[0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0...

13 days ago | 0

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Why does an array have a different column dimension than the array used to define that array?
You have defined B directly from a logical condition. When you do so, MATLAB checks for logical true values and defines accordin...

14 days ago | 0

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Solved

Play PRIMEGAME
Have you ever used the Sieve of Eratosthenes and said, "I wonder whether there’s a less efficient way to find prime numbers."? N...

14 days ago

Solved

Evaluating continued fractions
Given row vector c=[c0 c1 c2 c3 ...] evaluate the continued fraction x=c0+1/(c1+1/(c2+1/(c3+...))) If c is a ...

14 days ago