# Shaun VanWeelden

### Iowa State University

Senior at Iowa State University studying Software Engineering. I love MATLAB and was a graphics engineering intern at the MathWorks. Right now, I am a MathWorks Student Ambassador at Iowa State. I have a lot of experience in image processing including working on several academic, government, and commercial applications. I am extremely creative, innovative, and enjoy working with MATLAB on a near daily basis.

Professional Interests: image processing, graphics, user interfaces

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**Content Feed**

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...

9 years ago

Solved

Arrange vector in ascending order

Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

9 years ago

Solved

Rotate a Matrix

Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise

9 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...

9 years ago

Solved

Solve the Sudoku Row

*Description* A simple yet tedious task occurs near the end of most Sudoku-solving algorithms, computerized or manual. The ta...

9 years ago

Problem

Better Index Number

Let's say you want to save many, many files and append these files with a certain sortable index number. As you probably know, y...

9 years ago | 2 | 76 solvers

Solved

Better Index Number

Let's say you want to save many, many files and append these files with a certain sortable index number. As you probably know, y...

9 years ago

Solved

Back to basics 17 - white space

Covering some basic topics I haven't seen elsewhere on Cody. Remove the trailing white spaces from the input variable

9 years ago

Solved

Back to basics 7 - Equal NaNs

Covering some basic topics I haven't seen elsewhere on Cody. Given 2 input variables, output true if they are equal, false ot...

9 years ago

Solved

What's the News?

Get the top headline from Google news! Presumably using urlread and regular expressions, get what the current headline at Google...

9 years ago

Solved

Get top 5 Cody Player Emails Automatically

Yes, this is a little scary and also entirely possible to do in MATLAB, so let's do it! Looking at the list of the players <h...

9 years ago

Problem

Get top 5 Cody Player Emails Automatically

Yes, this is a little scary and also entirely possible to do in MATLAB, so let's do it! Looking at the list of the players <h...

9 years ago | 0 | 12 solvers

Solved

Convert this color - RGB Vector to Hex String

Given a 3 element RGB vector corresponding to a color (given by the MATLAB color spec <http://www.mathworks.com/help/matlab/ref/...

9 years ago

Problem

Convert this color - RGB Vector to Hex String

Given a 3 element RGB vector corresponding to a color (given by the MATLAB color spec <http://www.mathworks.com/help/matlab/ref/...

9 years ago | 2 | 118 solvers

Solved

Back to basics 14 - Keywords

Covering some basic topics I haven't seen elsewhere on Cody. Return a cell array of all MATLAB keywords

9 years ago

Solved

Back to basics 9 - Indexed References

Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix and row and column, output the index of th...

9 years ago

Solved

Back to basics 12 - Input Arguments

Covering some basic topics I haven't seen elsewhere on Cody. Return a value equal to the number of input arguments to the fun...

9 years ago

Solved

Get the length of a given vector

Given a vector x, the output y should equal the length of x.

9 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....

9 years ago

Solved

Back to basics 6 - Column Vector

Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...

9 years ago

Solved

Return the first and last character of a string

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

9 years ago

Solved

Back to basics 11 - Max Integer

Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive integer MATLAB can handle.

9 years ago

Problem

Returning a "greater than" vector

Given a vector, v, return a new vector , vNew, containing only values > n. For example: v=[1 2 3 4 5 6] n=3 vNew =...

9 years ago | 0 | 226 solvers

Solved

Returning a "greater than" vector

Given a vector, v, return a new vector , vNew, containing only values > n. For example: v=[1 2 3 4 5 6] n=3 vNew =...

9 years ago

Solved

surface of a spherical planet

you just discovered its circumference, that is the input.

9 years ago

Solved

Bottles of beer

Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

9 years ago

Solved

radius of a spherical planet

you just measured its surface area, that is the input.

9 years ago

Solved

Roll the Dice!

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

9 years ago

Solved

Project Euler: Problem 1, Multiples of 3 and 5

If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

9 years ago