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Dyuman Joshi


Last seen: Today
2.352 total contributions since 2018

Mechanical Engineer
IITG'20

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Answered
Extend a string within a for loop by values from switch case
No, MATLAB doesn't support Augmented addition, (using +=) However, you can obtain the same result with a variable, x=x+1; and u...

ein Tag ago | 1

| accepted

Solved


Cell Operator *
Please implement operator * for cell: >> {2,3} * 2 ans = 1×4 cell array [2] [3] [2] [3] >> {2,3} * [2 3]...

2 Tage ago

Solved


Prime Letters = Removing
Given a string, remove all the letters which in ASCII Code are prime numbers. For Example: s1 = 'Determine which array e...

2 Tage ago

Solved


Get the combinations
Consider p,q = 2 vectors of same or different length. Get a Output Array which has all the possible combinations of Elements o...

2 Tage ago

Solved


Concatenated roots
Which is the value of this infinte concatenated roots? <<https://s27.postimg.org/i4hkin7xf/Code_Cogs_Eqn.gif>> Note: If ...

2 Tage ago

Solved


Polynomial Evaluation
Create a routine that takes a list of coefficients of a polynomial in order of increasing powers of x; together with a value of ...

2 Tage ago

Answered
Replace nested loops with a matrix
Unew = zeros(nhx, nhy); Unew(2:nhx-1, 2:nhy-1)=U(2:nhx-1, 2:nhy-1)-dt.*(P(3:nhx,2:nhy-1)-P(1:nhx-2,2:nhy-1))./(2*hx); Source

2 Tage ago | 0

Solved


Toeplitz Matrix
For a given square matrix of order n-by-n check whether this is a Toeplitz matrix or not. Return true if it is.

3 Tage ago

Solved


Normalizing a vector

3 Tage ago

Answered
i try to print from (row, column) but I'm keep getting (row,row) for some reason.
You are getting this result because you have defined tables using horinzontal concatenation. table = [Names,Attempts]; Chang...

3 Tage ago | 0

Solved


Given n, create n random numbers such that their standard deviation is also n.
Given n, create n random numbers such that their standard deviation is also n.

3 Tage ago

Solved


Prime factor digits
Consider the following number system. Calculate the prime factorization for each number n, then represent the prime factors in a...

3 Tage ago

Solved


Twin Primes
Twin primes are pairs of primes that are immediately next to each other (difference of two). The lesser of twin primes are 3, 5,...

3 Tage ago

Solved


Closely related?
Given a function past_records() that will report blood sugar level of two twin brothers some random number of days ago. For exam...

3 Tage ago

Solved


Smith numbers
Return true if the input is a Smith number in base ten. Otherwise, return false. Read about Smith numbers at <http://en.wikipedi...

3 Tage ago

Solved


Keep Only the Upper characters in a string
Keep Only the Upper characters in a string s = 'Sreeram Mohan'; output = SM;

3 Tage ago

Answered
cite the Matlab documentation
Citing MATLAB

4 Tage ago | 1

Solved


sort matrix
Given a matrix, sort it for each column, but cannot change the element of each row. for example input = [1 3; 2 4;1 5;3 6]; ...

5 Tage ago

Solved


Numbers in extended form
Shhhhhhh. Don't tell my daddy, but I'm borrowing his Cody account so all of you very smart people can help me out. I just star...

5 Tage ago

Solved


Reverse Calculator
Use this reverse calculator and give correct output Its simple, In my Reverse calculator if you press 0 it will be considered...

5 Tage ago

Solved


Ripping numbers apart!
So you have to "rip" a number apart into individual digits... The end output is a cell. That is if: x = 12345678 o...

5 Tage ago

Solved


Decode a simplified barcode
Given a bar code from this <http://www.mathworks.com/matlabcentral/cody/problems/602-make-a-simplified-bar-code exercise>: Re...

5 Tage ago

Solved


Implement simple rotation cypher
If given a letter from the set: [abc...xyz] and a shift, implement a shift cypher. Example: 'abc' with a shi...

5 Tage ago

Solved


Surface Fit z(x,y)
Given three vectors x,y,z. Find four coefficients c = [cxx cxy cyy c00], such that z = cxx*x.^2+cxy*x.*y+cyy*y.^2+c00. For e...

5 Tage ago

Solved


Find the elements of a matrix according to a defined property.
From A = [5,2,3] and B = [1,2,3,4,5,6,7,8,9,10] produce a vector C where : C(1) is the sum of the first A(1) elements of B, ...

5 Tage ago

Solved


Grandpa's telescope
Two grandkids Dorothy and Benjamin are sharing a telescope made by their grandpa, who used an old lens of spectacles as the obje...

5 Tage ago

Solved


Check if integer
Given a vector of elements, determine if each element is an integer and return true or false accordingly.

5 Tage ago

Answered
I could not integrate using MatLab, Can you please help me?
syms t a c fun = 3*2^(1/2)*(1 - cos(4*t))^(1/2)*(a^2 + c^2)^(1/2); z = int(fun,t); %gives indefinite integral %result of inte...

6 Tage ago | 0

| accepted

Solved


Wheat on a chessboard pt 2
If a chessboard were to have wheat placed upon each square such that x grains were placed on the first square and each successiv...

6 Tage ago

Answered
Modulo-2 matrix multiplication
size(X) = [1 6]; size(Y) = [3 3]; X and Y are not compatible for multiplcation given their sizes. You can do something like t...

6 Tage ago | 0

| accepted

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