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Nafees Ul Haque Akhand


Bangladesh University of Engineering and Technology (BUET)

Last seen: 2 days ago Active since 2021

Under Grad. Student of Water Resources Engineering.

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Matlab Basics - y as a function of x
Write a function to calculate y as a function of x, such that y = 6x^2 + 5x - 2

8 months ago

Solved


Skip by a multiple
Given an integer create an array of its multiples. Array must have a length of 15

8 months ago

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Basic Operation with the middle number of odd matrix
# Take an odd matrix *like* 3-by-3 # Access the *middle element* of the matrix i.e in case of 3-by-3 matrix the index of the pa...

8 months ago

Solved


Test if a matrix is symmetric
Write a logical function that returns 1 if the input matrix is symmetric and 0 otherwise.

8 months ago

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Diagonal Pattern
For a positive integer |n|, return an |nXn| matrix |mat| such that the value of each element in row |i| and column |j| is given ...

10 months ago

Solved


Union Jack Matrix
Create a matrix of odd dimensions that has ones on both diagonals and dividing the matrix into 4 quadrants, resembling a square ...

10 months ago

Solved


Make a rainbow matrix (follow-up to checkerboard matrix)
Given an integer n, make an n-by-n matrix as shown below. The a(1,1) should be 0. As we move away from the top-left, the number ...

10 months ago

Solved


Dice face matrix!
This is dice simulator, but instead of making a random die number, you will receive an "pre-rolled" number in and spit out a mat...

10 months ago

Solved


Vandermonde Matrix
Create the Vandermonde Matrix of the given vector. The matrix consists of columns as powers of the vector, so the first column i...

10 months ago

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Tent matrix
Create an n x n matrix that resembles one kind of tent. The variable n is provided to the function and will be an odd number. As...

10 months ago

Solved


Form a square matrix from four square sub-matrices
Create a square matrix, y, from 4 square sub-matrices that will be constructed (x1, x2, x3, x4): y = [x1 x2; x3 x4]; ...

10 months ago

Solved


Check if a matrix is a palindrome in all directions
Check if a matrix is a palindrome both vertically and horizontally. You function will return *true* for |[1,2,1]| or |[2,7,2;...

10 months ago

Solved


Make a diamond
Given n, odd number > 1, return n by n matrix consist of "null" and "*" characters arranged like a diamond. No toolbox funct...

10 months ago

Solved


Create a square matrix with given conditions
Create a square matrix, M, which should be populated as follows: M = [ n^2 n * (n-1) n * (n-2) ... n * 2 n * ...

10 months ago

Solved


Zero Cross
Write a function that counts the number of times n a signal x changes sign. Examples x = [1 2 -3 -4 5 6 -7 8 -9 10 11] ...

10 months ago

Solved


Combined Ages 2 - Symmetric, n ≥ 3
Following on <http://www.mathworks.com/matlabcentral/cody/problems/42382-combined-ages-1-symmetric-n-3 Combined Ages 2>, you wil...

10 months ago

Solved


Combined Ages 1 - Symmetric, n = 3
You have probably seen the common riddle wherein combined ages are provided and you must determine the individual ages. For exam...

10 months ago

Solved


Column norms of a matrix
Given a matrix M, return a vector y such that for each k y(k)=norm(M(:,k)) (y(k) is the Euclidean norm of the k-th col...

10 months ago

Solved


Number of problems
No, you don't read it wrong: this assignment is to return the number of this problem (and not the problem of this number).

10 months ago

Solved


How to Concatenate two strings?
How to Concatenate two strings?

10 months ago

Solved


Find and replaces spaces from a input string with *
For a given input string str, find how many spaces are there in the string and replace those spaces with * e.g. str = 'this is ...

10 months ago

Solved


Namespace
Create a set of n variable names 'a_1',...,'a_n' The result should be a column oriented cell array of strings. Example inp...

10 months ago

Solved


Wrap-around effect
In vector x of length n we define (n+1) position as going back to the first position (so called wrap-around effect). Can you ret...

10 months ago

Solved


Check capital letters
Check if each first letter of a string is a capital letter. for example: 'This Is Ok' gives a true answer and 'This Is not Ok' ...

10 months ago

Solved


Magnitude of a vector
Given a vector x, what is its magnitude?

10 months ago

Solved


Odd times 3
Given a input matrix x, multiply all odd values by 3. Even values remain the same. example: x = [1 2 3 4 5;... 6 7...

10 months ago

Solved


String revert
Revert all words in a sting x for example, if x = 'this is a sentence' then y should be 'sentence a is this'

10 months ago

Solved


Odd times even numbers in a matrix
First count the number of odd numbers in x, then the number of even. Return their product. example: x = [1 2] One odd ...

10 months ago

Solved


Binary Inversion
Given the unsigned 8-bit integer x, return the number y which is the binary inversion of x. For example if x is 5, y should b...

10 months ago

Solved


Bubble sort
Write your own bubble sort function ( <https://en.wikipedia.org/wiki/Bubble_sort>) to sort all elements in x in ascending order....

10 months ago

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