# kazuyoshi kouno

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Solved

Return elements unique to either input

Given two numeric inputs a and b, return a row vector that contains the numbers found in only a or only b, but not both. For ex...

9 months ago

Solved

Kaprekar numbers

Test if the input is a Kaprekar number: <http://mathworld.wolfram.com/KaprekarNumber.html>. Return a logical true or false. ...

9 months ago

Solved

Increment a number, given its digits

Take as input an array of digits (e.g. x = [1 2 3]) and output an array of digits that is that number "incremented" properly, (i...

9 months ago

Solved

Convert hex color specification to MATLAB RGB

Here's something that comes up all the time if you deal with web pages. Given a <http://www.w3schools.com/html/html_colors.as...

9 months ago

Solved

Enlarge array

Given an m-by-n numeric array (A) and a 1-by-2 vector (sz) indicating the dimensions [p q] to enlarge each element, return an (m...

10 months ago

Solved

Given the variable x as your input, multiply it by four, then divide it by two. Then put the result in y.

If x = 5, y = 4*5/2 = 10

10 months ago

Solved

Find out value of polynomial at different value.

Find out value of polynomial at different value. Example p(s) = s + 8 For s=0, value is 8.

10 months ago

Solved

Create an 'arrow-head" matrix

Write a function that when given an odd number, produces an arrow-head function pointing to the right. Examples n = 3 ...

10 months ago

Solved

Sum of series

a(n) = n^2 - (n-1)^2 find the summation of the series upto n i.e. a(1)+a(2)+...+a(n)

10 months ago

Solved

Calculate the average value of the elements in the array

Calculate the average value of the elements in the array

10 months ago

Solved

the average value of the elements

Calculate the average value of the elements in the array

10 months ago

Solved

Convert a vector into numbers

Suppose a vector x = [ 1 2 4 7] is given. You have to convert this vector into string number y = '1247'. Examples x = [ 1...

10 months ago

Solved

Change the first and last diagonal element of the identity matrix to zero

Starting with the identity matrix, change first and last diagonal element to zero. Example If n=5 A = 0 0 ...

10 months ago

Solved

Replace values under a limit

For a vector x and number n, the goal is to find every element of x inferior to n and replace it by n. Example x= [ 1 2 3...

10 months ago

Solved

Find the square of the sum of the digits of a number

If a number (n) is provided as an input, find the square of the sum of the digits of the number. Example If n = 21, the an...

10 months ago

Solved

Rotate a matrix for 180 degree

Rotate a matrix for 180 degree for eg: x=[1 2 3 4] y=[4 3 2 1]

10 months ago

Solved

Find the position of first minimum value in an integer array with numbers

If x = [2 6 4 9 10 3 1 5 1] the the output should be 7, because the first minimum value (1) lies at the 7th position.

10 months ago