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David Hill


Carnegie Mellon University (CMU)

Last seen: Today 2017 年からアクティブ

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

統計

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  • MATLAB Mini Hack Participant
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  • ASEE Challenge Master
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  • Cody 10th Anniversary 10-Day Streak
  • Magic Numbers Master
  • Word Puzzles Master
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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...

7日 前

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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...

12日 前

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

13日 前

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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 ...

13日 前

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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日 前

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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日 前

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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...

19日 前

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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...

19日 前

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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...

19日 前

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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. ...

19日 前

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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 ...

20日 前

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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...

20日 前

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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...

20日 前

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

20日 前

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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/...

20日 前

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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?_...

20日 前

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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? ...

20日 前

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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?_...

20日 前

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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? ...

20日 前

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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日 前

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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日 前

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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 ...

21日 前

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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日 前

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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日 前

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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日 前

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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日 前

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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...

25日 前

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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...

25日 前

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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 ...

25日 前

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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...

25日 前

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