**Statistics**

RANK**497**

of 271.458

REPUTATION**133**

CONTRIBUTIONS

**35** Questions

**57** Answers

ANSWER ACCEPTANCE **
80.0%
**

VOTES RECEIVED**59**

RANK**5.054** of 18.304

REPUTATION**233**

AVERAGE RATING**4.90**

CONTRIBUTIONS**7** Files

DOWNLOADS **46**

ALL TIME DOWNLOADS**1986**

CONTRIBUTIONS**0 Posts**

CONTRIBUTIONS**0** Public Channels

AVERAGE RATING

CONTRIBUTIONS**0** Highlights

AVERAGE NO. OF LIKES

**Content Feed**

Solved

Sum of series II

What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

ongeveer een jaar ago

Solved

Sum of series I

What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

ongeveer een jaar ago

Solved

Generate Convolution Matrix of 2D Kernel with Different Convolution Shapes (Full, Same, Valid)

In this problem the challenge is to build the Matrix Form equivalent of the function `conv2()` of MATLAB. The function to be ...

bijna 4 jaar ago

Problem

Generate Convolution Matrix of 2D Kernel with Different Convolution Shapes (Full, Same, Valid)

In this problem the challenge is to build the Matrix Form equivalent of the function `conv2()` of MATLAB. The function to be ...

bijna 4 jaar ago | 0 | 3 solvers

Solved

Summing digits

Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

ongeveer 6 jaar ago

Solved

Bullseye Matrix

Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

ongeveer 6 jaar ago

Solved

Return the largest number that is adjacent to a zero

This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

ongeveer 6 jaar ago

Solved

Find the longest sequence of 1's in a binary sequence.

Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

ongeveer 6 jaar ago

Solved

Find the numeric mean of the prime numbers in a matrix.

There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

ongeveer 6 jaar ago

Solved

Remove all the consonants

Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...

ongeveer 6 jaar ago

Solved

Fibonacci sequence

Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

ongeveer 6 jaar ago

Solved

Back and Forth Rows

Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

ongeveer 6 jaar 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...

ongeveer 6 jaar ago

Solved

Who Has the Most Change?

You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

ongeveer 6 jaar ago

Solved

Make a checkerboard matrix

Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

ongeveer 6 jaar 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...

ongeveer 6 jaar ago

Solved

Find all elements less than 0 or greater than 10 and replace them with NaN

Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

ongeveer 6 jaar 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...

ongeveer 6 jaar 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]; and ...

ongeveer 6 jaar 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...

ongeveer 6 jaar ago

Solved

Determine if input is odd

Given the input n, return true if n is odd or false if n is even.

ongeveer 6 jaar ago

Solved

Find the sum of all the numbers of the input vector

Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

ongeveer 6 jaar 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...

ongeveer 6 jaar ago

Solved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

ongeveer 6 jaar ago