Community Profile

photo

David Hill


Carnegie Mellon University (CMU)

Last seen: Today Active since 2017

Master's Student in Robotic Systems Development (MRSD), BS Electrical Engineering with minors in Computer Science and Mathematics.

Programming Languages:
Python, C++, C, Java, Javascript, R, MATLAB, CSS, Arduino
Spoken Languages:
English, Spanish
Professional Interests:
Robotics and Autonomous Systems, Embedded Systems

Statistics

All
  • MATLAB Mini Hack Participant
  • Treasure Hunt Participant
  • Ace
  • 36 Month Streak
  • Indexing I Master
  • ASEE Challenge Master
  • Personal Best Downloads Level 4
  • 5-Star Galaxy Level 4
  • Cody 10th Anniversary 10-Day Streak
  • Magic Numbers Master
  • Word Puzzles Master
  • Promoter

View badges

Content Feed

Solved


Find the minimum element coprime to the rest in a set of 10 consecutive integers
In this video, Dr Barker argued that a set of 10 consecutive integers must have at least one integer coprime to the rest. For ex...

8 days ago

Solved


Determine if given number is perfect
A number is perfect if it is equal to the sum of its factors, excluding itself. Example The number 6 is perfect since its fact...

13 days ago

Solved


Gaussian elimination
Get the Gussian elimination of the Matrix Given You cannot use built-in Matlab functions triu :)

14 days ago

Solved


Roman numbers: how old is that building?
The front of old buildings sometimes show the year when they were built in roman numbers. These number are rather confusing and ...

14 days ago

Solved


Write a code to implement the improved Euler's method to integrate a simple function
Euler's method approximates the solution to a differential equation as where . It's possible to improve on Euler's method by ...

14 days ago

Solved


Write a code to implement Euler's method to integrate a simple function
Euler's method approximates the solution to a differential equation as where . The challenge is to write a code that can take...

14 days ago

Solved


Valid Chess Moves
Using standard Algebraic notation ('' for a pawn), given previous move and a next move, output true if it is a valid move or fal...

20 days ago

Solved


Back to basics 2 - Function Path
Covering some basic topics I haven't seen elsewhere on Cody. Given a string that is the name of a MATLAB function, return a s...

20 days ago

Solved


Calculate Alcohol By Volume with Original and Final Gravity
Given an initial gravity of un-fermented wort (OG) and a final gravity of fermented wort (FG), better known as beer, it is possi...

20 days ago

Solved


Possible Outcomes of American Roulette
The payout for American roulette can be calculated by: payout = (38/n)-1 where n is the number of squares the bet covers. ...

20 days ago

Solved


The Tower of Hanoi
In the <http://en.wikipedia.org/wiki/Tower_of_Hanoi Tower of Hanoi problem> with 3 rods (1, 2 & 3), the goal is to move a tower ...

21 days ago

Solved


Find out rooms, peak to peak, average for a square wave.
Find out rms, peak to peak, average for a square wave from peak value. <http://www.rfcafe.com/references/electrical/square-w...

21 days ago

Solved


Check transmitted data follow even parity (True or false)
Check transmitted data follow even parity (True or false) <http://en.wikipedia.org/wiki/Parity_bit/ Parity Bit> Say, '010...

21 days ago

Solved


Alternately upper-lower case
Modify the string to alternate between upper and lower case. For example, s='achyuta' output='AcHyUtA' Update - Test case...

21 days ago

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/...

21 days ago

Solved


Perl 4: unshift
_This is part of a series of perl function which were very helpful for many perl programmers. Could you implement it in Matlab?_...

21 days ago

Solved


Perl 3: shift
This is part of a series of perl function which were very helpful for many perl programmers. Could you implement it in Matlab? ...

21 days ago

Solved


Perl 1: push
_This is part of a series of perl function which were very helpful for many perl programmers. Could you implement it in Matlab?_...

21 days ago

Solved


Perl 2: pop
This is part of a series of perl function which were very helpful for many perl programmers. Could you implement it in Matlab? ...

21 days ago

Solved


Circular Segment Area
Let us consider a circle with radius . If we draw an angle (in radians) from the center of the circle, the two radii forming th...

21 days 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...

21 days ago

Solved


Remove the air bubbles from a vector
_*A reduced version of Problem 112*_ Given a column vector v, return a vector w in which all the zeros have "bubbled" to the ...

22 days ago

Solved


Maintain shape of logical-index mask
When using logical indexing into an array, MATLAB returns a vector output. For example, if A = magic(3); mask = logi...

22 days ago

Solved


FloydWarshall
Our task is to find shortest paths between every pair of nodes. Floyd-Warshall is a graph algorithm for finding shortest paths i...

22 days ago

Solved


Identify the heavier bag
There are N=2^n bags of rice looking alike, N-1 of which have equal weight and one is slightly heavier. The weighing balance is ...

22 days ago

Solved


Creating a matrix by taking shifted copies of a given vector v as columns
This problem is the same as the problem 761 except that here we are testing it for any given vector ; a row or column vector. Th...

22 days ago

Solved


Recursive Standard Deviation
When you have a large set of data, it can be resource consuming to calculate standard deviation at every step. So why not calcul...

26 days ago

Solved


Which way to go?
Given an m*n grid, How many ways are there to go from upper left corner to the lower right one? You can only move right...

26 days ago

Solved


Number Persistence
A number's persistence is the number of steps required to reduce it to a single digit by multiplying all its digits to obtain a ...

26 days ago

Solved


Slicing the cube
A bored matlab enthusiast has a cube with volume n^3. He decides to paint the entire surface of the cube red. Then, with slices...

26 days ago

Load more