David Hill

Carnegie Mellon University (CMU)

Last seen: Today | Actif depuis 2017

Followers: 2 Following: 0

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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

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CONTRIBUTIONS
57 Problèmes
4821 Solutions

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NOMBRE DE BADGES
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A résolu

Calculate the Damerau-Levenshtein distance between two strings.
<http://www.mathworks.co.uk/matlabcentral/cody/problems/2303-compute-hamming-distances-between-each-pair-of-rows-from-two-input-...

1 jour il y a

A résolu

Add 2 to any number.
Add 2 to any number.

5 jours il y a

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Make an anonymous function that has variable output
Make a anonymous function that has variable output. f = @(x)... the following equation→equation(s) as followed has(ve) ...

12 jours il y a

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Apply Function to Each Field of a Structure Array: Part 1
The builtin <http://www.mathworks.com/help/matlab/ref/structfun.html?=structfun structfun> applies a function handle to each fie...

12 jours il y a

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Mmm! Multi-dimensional Matrix Multiplication
You have got a couple of multi-dimensional matrices, A and B. And want to multiply them. For the first 2 dimensions, an ordinary...

13 jours il y a

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Make an N-dimensional Multiplication Table
*INSTRUCTIONS* This is a multi-dimensional variant of the normal multiplication table used to teach elementary students multi...

13 jours il y a

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Perform Rubik's Cube Moves
A standard Rubik's Cube is shown in 3-D and also unfolded to identify the specific Tile-face numbering. The faces are White-U...

14 jours il y a

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Find an overlap in the cleaning schedule of two tank reactors
In a certain pharmaceutical production company, there are two tank reactors operating simultaneously and independent of each oth...

14 jours il y a

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Create a matrix map of increasing safety levels
The sole nuclear power plant at Grid City suddenly had a meltdown. Luckily, the plant was designed to be in full automation, so ...

14 jours il y a

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Assess the scatter of wind turbines in a field
The renewable energy industry is on the rise in many countries--- and one of the key players is wind energy. It is believed ...

14 jours il y a

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Find an optimal placement of coolers on a grid
In a certain chemical plant, 6 new pieces of cooling equipment (coolers) are to be installed in a vacant space. This vacant spac...

14 jours il y a

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Design a tubesheet for shell-and-tube heat exchangers
<<https://3.bp.blogspot.com/-kLSbhcCoT2I/WJIh-QVGLGI/AAAAAAAADEs/svvMzBqn4fUfI1rTCCH7Uw-QuDvxx0PxACLcB/s1600/Screenshot_669.jpg>...

14 jours il y a

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Count the number of folds needed to pack a large sheet
In a certain paper factory, large sheets of paper are being made every day. Before sending the sheets for shipment, they have to...

14 jours il y a

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Calculate the sphericity of a Raschig ring
Sphericity is a measure of the roundness of any particle. It was defined by Wadell in 1935 as the ratio of the 'surface area of ...

14 jours il y a

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Convert a temperature reading from Celsius to an unknown scale
Two of the most famous temperature scales are the Celsius and the Fahrenheit scale. In reality, however, there are so many other...

14 jours il y a

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weekday and month
Given a year and a weekday, determine how many months of that year had five of those weekdays. It is kind of easy to find. Exam...

16 jours il y a

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Create a Cell array of month-end date strings within a date range
This is a variation of <http://www.mathworks.com/matlabcentral/cody/problems/1039-get-an-array-of-month-ends-in-a-date-range Get...

16 jours il y a

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birthday on same day of week
Say, Mr. X's birthday is on 20th July, 2014. It was Sunday. Determine the closest year when his birthday will again be on Sunday...

16 jours il y a

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Is this date a palindrome?emordnilap a etad siht sI
Take a MATLAB date number as input, and return true if the date is a palindrome, false if the date is not a palindrome. A date ...

16 jours il y a

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How Many Months Until It's Today Again?
Given a particular date, calculate how many months must pass before that same day of the month occurs on the same day of the wee...

16 jours il y a

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microseconds passed today
Calculate the amount of microseconds passed for a given date string. Return the value, rounded to the nearest integer, as a stri...

16 jours il y a

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Calculate days until Christmas
Provided with inputs year, month, day e.g. 2019,11,12, calculate the number of days until the next Christmas day, i.e. the next ...

16 jours il y a

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longest common substring : Skipped character version
Two strings are given. Find the longest common substring between them. The substring characters need not be adjacent. They, howe...

19 jours il y a

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longest common semi-substring
Finding longest common substring is a common problem in string processing. This problem is a variant of that. Two strings are g...

19 jours il y a

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Shorten pathname
Given a pathname string, return a condensed version by replacing intermediate folders with '..'. *Example* If fullpat...

19 jours il y a

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Mechanics 1
I thought I would make a mechanics problem for all those physics lovers out there. Imagine two solid, rigid spheres B1 and B...

20 jours il y a

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Bouncing disk
A disk is placed in a rectangular room with dimensions a and b in a point with coordinates x0 and y0. The disk is given a startu...

20 jours il y a

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Find the jerk
No, it's not the author of this problem... Jerk is the rate of change in acceleration over time of an object. So, if given t...

20 jours il y a

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jogging?
Imagine x-y coordinate system and you are at the origin and your partner is on the x-axis at some small distance (d) away from y...

20 jours il y a

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Distance of the centroids of the balls
Given *n* balls of radius *r* and the vector *p (nx3)* with all position *(x,y,z)* of the balls, return the symmetric matrix *A ...

21 jours il y a

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