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Generate Golomb's sequence
Generate Golomb's sequence up to the given number. If n=4, then seq = [1, 2, 2, 3, 3, 4, 4, 4] If n=6, then s...

2 months ago

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generate the matrix
given a value n (say 4) - generate the matrix like below y= [0 1 2 3 4; -1 0 1 2 ...

2 months ago

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Wythoff Sequence
Find the lower Wythoff sequence up to n. For more information, <https://oeis.org/A000201>

2 months ago

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Adjoint matrix
given a matrix a, find the adjoint matrix of a.

2 months ago

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cofactor matrix
given a matrix, find its cofactor matrix <https://en.wikipedia.org/wiki/Minor_(linear_algebra)#Inverse_of_a_matrix>

2 months ago

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Rotate a matrix without using rot90
rotate the input square matrix by certain degrees (e.g. 270 or 450 etc.) without using rot90 or flip function. its an extension...

2 months ago

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AES MixColumns() Transformation
Given a 16x2 input character hexadecimal array representing the AES state, execute the AES algorithm MixColumns() transformation...

2 months ago

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another bullseye
create matrix like below -- for x=2, y=[1 1 1 1 1; 1 2 2 2 1; 1 2 3...

2 months ago

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How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for.

2 months ago

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Gray code
Given a decimal number, convert it to its corresponding Gray code (see https://en.wikipedia.org/wiki/Gray_code). 8 -- 1100...

2 months ago

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Check if a number belongs in the fibonacci squence
Test if integer i is a number in the fibonacci sequence. Return true if it is.

2 months ago

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Check if number is a square number
Test if integer i is a square number. Return logical true if it is.

2 months ago

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Check if integer is a prime number
Check if integer i is a prime number. Returns logical true '1' if it is.

2 months ago

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Quadratic equation
given three inputs (a, b, c) for the equation a*x^2+b*x+c=0; return 1 if the roots are complex (non zero imaginary), and 0 if th...

2 months ago

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Convert Fahrenheit to Kelvin
Convert the value f in Fahrenheit to Kelvin

2 months ago

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find subscripts from linear index
a matrix and the linear index of an element is given as input. find the subscripts of that element. if linear index=3 , outp...

2 months ago

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Determine whether a given point is inside or outside a polygon
A closed polygon may be described by an N x 2 array of nodes, where the last node and the first node are the same. Each row of t...

2 months ago

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Reepeating numbers in array
Repeating numbers in array In = [1 0 0 0 2 0 0 0 3 0 0 0 0 0 5 0 0 0 0]. Out = [1 1 1 1 2 2 2 2 3 3 3 3 3 3 5 5 5 5 5].

2 months ago

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Calculate the area of a circle
Given a circle of diameter x calculate its area

2 months ago

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Fun with permutations
There are factorial(N) permutations of the numbers from 1 to N. For each of these permutations, we can find the set of indexes j...

2 months ago

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remove numbers from a string
check the given string for any numbers.in case one is found,remove it.but the two portions should be separated. if more than one...

2 months ago

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Double Factorial
Return double factorial n(n-2)...(5)(3)(1), n>0, odd n!! = n(n-2)...(6)(4)(2), n>0, even 1 ...

2 months ago

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Repeat elements of a vector
Repeat each elements of a given vector according to their values. * x=[1,2,1,3] * y=[1,2,2,1,3,3,3]

2 months ago

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Combinations using Stirling numbers of the second kind
Output the number of ways to distribute n labelled balls among k identical boxes (some of which might be empty). Example: ...

2 months ago

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factorial
calculate x!

2 months ago

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Square
square root of x

2 months ago

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Takuzu row
Takuzu row is one row in a logic puzzle of a rectangular grid. The rules are as follows: (1) The row is filled with 1s and 0s...

2 months ago

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Take a binary number as input,rearrange it in any manner such that its value is greater than the original one.output should be all the possible values in decimal.
a='001' output = [4,2]

2 months ago

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All flights lead to Idaho Falls
Using spherical trigonometry and great circle paths, determine the distance (in kilometers) and the initial flight heading (from...

2 months ago

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The length of the equal sides of an isoceles triangle is 'a'.For all the possible (integer) values of the remaining side,find the associated angles between the two equal sides.
the remaining side may have many possible values.only assume integer ones for simplicity.

2 months ago