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Dyuman Joshi


Last seen: Today |  Active since 2012

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Mechanical Engineer IITG'20

Programming Languages:
MATLAB
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Solved


SatCom #9: Overall Link Performance
Satellite and Space Engineering - Problem #9 This is part of a series of problems looking at topics in satellite and space comm...

alrededor de 16 horas ago

Solved


SatCom #8: Satellite Link Budget
Satellite and Space Engineering - Problem #8 This is part of a series of problems looking at topics in satellite and space comm...

alrededor de 16 horas ago

Solved


Truncatable Prime
A truncatable prime is a leading digit is successively removed, then all resulting numbers are prime. Wiki When given a number...

alrededor de 20 horas ago

Answered
Problem stataments in Matlab
Final answer, I have tested this code on my laptop cd=0; %counting $ userd=[]; for i=1:size(T,1) if isequal(char(T.Colu...

2 días ago | 0

| accepted

Solved


Factor Digits
Check if a given number in an array of numbers is - Equidigital Number - A number that has the same number of digits as the num...

3 días ago

Problem


Factor Digits
Check if a given number in an array of numbers is - Equidigital Number - A number that has the same number of digits as the num...

3 días ago | 1 | 4 solvers

Answered
I try this coding but it's say plot error..what wrong with my coding?
Use fplot to plot symbolic expressions syms t f=exp(t)*sin(3*t); c=0.003; I=c*diff(f); figure; fplot(I); grid; xlabel('...

6 días ago | 2

| accepted

Answered
cell merge and print
y=[45 45 65 65 28 28; 1 1 9 2 4 1; 9 4 7 2 3 1] z=mat2cell(y, [1 1 1], [2 2 2])

6 días ago | 0

Answered
Check for incorrect argument data type or missing argument in call to function 'isnan'.
The output of inputdlg is in form of cell array as you can see it your command window (below your editor) Use isaNumber = isna...

7 días ago | 1

Answered
hello! how can I create a matrix (size 10X10) with random numbers of 1 and -1?
y=[-1 1]; z=y(randi(2,10,10))

7 días ago | 1

Solved


Merge structs on fields
Merge a bunch of structs into one, containing the field names and corresponding values of all input structs. For duplicate field...

7 días ago

Answered
"Double for loop", question
Your data is being overwritten as the for loops runs. For the 1st for loop for i=1:n for j=1:n R(i)=a(j)*b(i);...

7 días ago | 1

Answered
replace matrix A with the values of another matrix B
A(:,:,1) = [0 0 1; 0 1 0; 0 1 1]; A(:,:,2) = [1 0 0; 0 0 0; 0 0 0]; A(:,:,3) = [0 1 0; 1 0 1; ...

7 días ago | 2

Answered
Mean and Median of Values in a matrix
I am giving you an example for one variable. meanvalue=[]; medianvalue=[]; for i=800:100:lastvalue y=flowrate(flowrate>=...

8 días ago | 0

Answered
How to generate a matrix with desired pattern using nested for loops?
n=5; A=zeros(n); for i = 1:n for j = min(i,n-i+1):max(i,n-i+1) A(i,j) = 1; end end A

8 días ago | 1

| accepted

Answered
I need to write a code to solve a system of equations with formatted output (fprintf).
A=[1, -3, 2; 2, -4, 3; 3, -5, -4]; B=[-11; -15; 5]; x=inv(A)*B; fprintf('x=%d, y=%d, z=%d.', x(1:3))

8 días ago | 1

Solved


Check Digit - 02
Given a list of ISBN's, check whether they're valid or not. Prev Prob - <https://www.mathworks.com/matlabcentral/cody/problem...

8 días ago

Answered
Find the gradient vector field of f . f (x,y,z)= x^2ye^y/z
syms f(x,y,z) f=x^2*y*exp(y/z) grad=[diff(f,x) diff(f,y) diff(f,z)]

8 días ago | 1

| accepted

Solved


Logic x

9 días ago

Solved


What is the current time in Darwin, Australia?
Traders need to track exchange calendars and trading hours in detail, and account for time zone differences and daylight savings...

9 días ago

Solved


chess position
given the position of a chess piece in algebric notation, convert it into 8 by 8 matrix format. For example, * 'Qd5' >> [3,4]...

9 días ago

Solved


decipher the number 1 - same key for all digits :)
You will be given a input number (eg) x=12345 you have to figure out the dechiper key and match it with given input and deciph...

10 días ago

Solved


Creation of 2D Sinc Surface
This Challenge is to efficiently create the Sombrero function of various sizes, resolutions, and frequencies. <<https://sites...

10 días ago

Answered
Problem stataments in Matlab
I'm assuming that the data in Column 1 and Column 2 is char/strings. %T is your table cd=0; %counting $ userd=[]; for i=1:si...

10 días ago | 0

Answered
if function works in one table but not in another
Use isequal or strcmp if you are comparing the whole string. Use ismember or array indexes if you want to compare partial stri...

10 días ago | 2

Solved


Scrabble Scores - 10
This problem is very similar to the previous problem. Here, you are provided a letter of an existing word on the board from whic...

12 días ago

Solved


Scrabble Scores - 9
After developing a sophisticated Scrabble scoring routine, it's time to write an optimization routine for single-word scoring. T...

12 días ago

Solved


Propagate the effects of a blockage in a chemical plant
From the perspective of flow, a chemical plant can be described by a collection of _nodes_ and _edges_. _Nodes_ are points where...

13 días ago

Answered
How do I automate adding columns together
An example based on what you wrote y = randi(100,513,63); z=[]; for i=1:3:63 %groups of 3 as you mentioned z=[z sum(y(:,...

13 días ago | 1

| accepted

Solved


Exhaust all possible logical vectors
Input a length argument and list all possible logical vectors of that length. My solution is of size 29. Can you find an even s...

13 días ago

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