the cyclist

Alden Scientific

Last seen: 7 giorni fa | Attivo dal 2011

Followers: 4 Following: 0

Messaggio

Head of Modeling and Statistics at Alden Scientific. Obsessive runner. Professional Interests: Predictive modeling, statistics. (I don't respond to email via author page, but will usually look at a question if you send me a link to it.)

Programming Languages:
Python, R, MATLAB, SQL
Spoken Languages:
English
Pronouns:
He/him

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Risolto

Project Euler: Problem 4, Palindromic numbers
A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 ...

20 giorni fa

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Project Euler: Problem 3, Largest prime factor
The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number being input, input might be ui...

20 giorni fa

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Solve a System of Linear Equations
Example: If a system of linear equations in x₁ and x₂ is: 2x₁ + x₂ = 2 x₁ - 4 x₂ = 3 Then the coefficient matrix (A) is: 2 ...

20 giorni fa

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Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

20 giorni fa

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Word Counting and Indexing
You are given a list of strings, each being a list of words divided by spaces. Break the strings into words, then return a maste...

20 giorni fa

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Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

20 giorni fa

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Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

20 giorni fa

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Converts numbers into characters
Converts numbers into characters

20 giorni fa

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Find the max element of the array
Find the max element of the array

20 giorni fa

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Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

20 giorni fa

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Calculate the average value of the elements in the array
Calculate the average value of the elements in the array

20 giorni fa

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to the 2 all elements
to the 2 all elements

20 giorni fa

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the average value of the elements
Calculate the average value of the elements in the array

20 giorni fa

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Double all elements in the array
Duplicate all elements in the array

20 giorni fa

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calculate the length of matrix
input 1 array, calculate the length

20 giorni fa

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Draw a '0' in a one matrix!

20 giorni fa

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Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<https://i.imgu...

23 giorni fa

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Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

23 giorni fa

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Return area of square
Side of square=input=a Area=output=b

23 giorni fa

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Convert from Fahrenheit to Celsius
Given an input vector F containing temperature values in Fahrenheit, return an output vector C that contains the values in Celsi...

23 giorni fa

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Calculate Amount of Cake Frosting
Given two input variables r and h, which stand for the radius and height of a cake, calculate the surface area of the cake you n...

23 giorni fa

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Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

23 giorni fa

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Find Air Temperature from Cricket Stridulation Rate
Stridulation is the process that creates a cricket's “chirp” by rubbing their wings or legs. According to the Old Farmer's Alma...

circa 2 anni fa

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The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

oltre 3 anni fa

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Say something funny
Say something funny, or not. Your solution will be (fully automatically and objectively) scored based on how clever or funny ...

quasi 5 anni fa

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Pizza!
Given a circular pizza with radius z and thickness a, return the pizza's volume. [ z is first input argument.] Non-scored bonus...

oltre 8 anni fa

Risolto

Sum my indices
Given inputs M and N (in that order), output an MxN matrix whose entries are equal to the sum of their indices. Example input...

oltre 9 anni fa

Problema

Sum my indices
Given inputs M and N (in that order), output an MxN matrix whose entries are equal to the sum of their indices. Example input...

oltre 9 anni fa | 3 | 164 risolutori

Risolto

Cull vector elements that contain a specified digit
Given inputs of (1) a row vector and (2) a digit, identify the elements of that vector that contain the digit, remove them, and ...

oltre 10 anni fa

Problema

Cull vector elements that contain a specified digit
Given inputs of (1) a row vector and (2) a digit, identify the elements of that vector that contain the digit, remove them, and ...

oltre 10 anni fa | 1 | 56 risolutori

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