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Shankul Saini


Last seen: 1 year ago |  Active since 2022

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How to implement a convex optimization problem in MATLAB using CVX
I have the following optimization problem, Where, R is a known matrix and V is a (N+1)*(N+1) size positive definite matrix. ...

1 year ago | 1 answer | 0

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answer

Question


Problem with integration using sym in case of "sym is not convertible to double"
The term in integration is having size 1*1, so it is not an array or matrix, still sym is showing problem with double. Can som...

1 year ago | 2 answers | 0

2

answers

Question


Independence of two random variables having datasets
Hi there, I hereby have two random varibles data sets names y1 and y2. I am stuck at the checking of their independence using ma...

1 year ago | 1 answer | 0

1

answer

Question


How to find cumulative distribution function from a given data set(vector)
clc clear all rng('default') % For reproducibility y = evrnd(0,3,100,1); [a,s]=cdfplot(y); In this "cdfplot "directly plot...

1 year ago | 1 answer | 0

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Question


Fmincon failure in optimizing an objective function which includes determinant of a matrix.
Here, fmincon is not working with the below mentioned objective function, and same was working when i was finding the frobenious...

1 year ago | 1 answer | 0

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Find Logic 20

2 years ago

Solved


Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

2 years ago

Question


Using fmincon to maximize a complex scalar function
N = 1; h = sqrt(0.5)*(randn(1,N)+1i*randn(1,N)); g = sqrt(0.5)*(randn(N,1)+1i*randn(N,1)); phi0 = zeros(N,1); lb = zeros(N,1...

2 years ago | 2 answers | 0

2

answers

Question


Find maximum of quadratically constrained quadratic problem using MATLAB
Hey, I am trying to solve for maximized SNR at receiver of a two hop network. First hop channel coefficients are denoted by N*...

2 years ago | 2 answers | 0

2

answers

Solved


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

2 years ago

Solved


Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

2 years ago

Solved


Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

2 years ago

Solved


Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

2 years ago

Solved


Return the first and last characters of a character array
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

2 years ago

Solved


Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

2 years ago

Solved


Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

2 years ago

Solved


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

2 years ago

Solved


Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

2 years ago

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...

2 years ago

Solved


Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

2 years ago

Solved


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

2 years ago

Solved


Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

2 years ago

Solved


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

2 years ago

Solved


Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<https://i.imgu...

2 years ago

Solved


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

2 years ago

Solved


Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

2 years ago

Solved


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

2 years ago

Solved


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the numbers. Otherwise return false. Example...

2 years ago

Solved


Return area of square
Side of square=input=a Area=output=b

2 years ago

Solved


Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

2 years ago

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