the cyclist

Alden Scientific

Last seen: 7 jours il y a | Actif depuis 2011

Followers: 4 Following: 0

Message

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

Statistiques

All

RANG
15
of 297 589

RÉPUTATION
15 554

CONTRIBUTIONS
49 Questions
5 308 Réponses

ACCEPTATION DE VOS RÉPONSES
73.47%

VOTES REÇUS
2 939

Afficher les badges

Feeds

A résolu

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 jours il y a

A résolu

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 jours il y a

A résolu

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 jours il y a

A résolu

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 jours il y a

A résolu

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 jours il y a

A résolu

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 jours il y a

A résolu

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 jours il y a

A résolu

Converts numbers into characters
Converts numbers into characters

20 jours il y a

A résolu

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

20 jours il y a

A résolu

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

20 jours il y a

A résolu

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

20 jours il y a

A résolu

to the 2 all elements
to the 2 all elements

20 jours il y a

A résolu

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

20 jours il y a

A résolu

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

20 jours il y a

A résolu

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

20 jours il y a

A résolu

Draw a '0' in a one matrix!

20 jours il y a

A résolu

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 jours il y a

A résolu

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 jours il y a

A résolu

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

23 jours il y a

A résolu

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 jours il y a

A résolu

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 jours il y a

A résolu

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 jours il y a

A résolu

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...

environ 2 ans il y a

A résolu

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...

plus de 3 ans il y a

A résolu

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

presque 5 ans il y a

A résolu

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

plus de 8 ans il y a

A résolu

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...

plus de 9 ans il y a

Problème

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...

plus de 9 ans il y a | 3 | 164 solveurs

A résolu

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 ...

plus de 10 ans il y a

Problème

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 ...

plus de 10 ans il y a | 1 | 56 solveurs

Charger plus