David Hill
Python, C++, C, Java, Javascript, R, MATLAB, CSS, Arduino
Spoken Languages:
English, Spanish
Professional Interests:
Robotics and Autonomous Systems, SLAM, Embedded Systems
Estadística
0 Preguntas
2.210 Respuestas
21 Archivos
Cody62 Problemas
5334 Soluciones
CLASIFICACIÓN
37
of 300.857
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5.346
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0 Preguntas
2.210 Respuestas
ACEPTACIÓN DE RESPUESTAS
0.00%
VOTOS RECIBIDOS
625
CLASIFICACIÓN
1.631 of 21.097
REPUTACIÓN
1.156
EVALUACIÓN MEDIA
4.60
CONTRIBUCIONES
21 Archivos
DESCARGAS
64
ALL TIME DESCARGAS
9315
CLASIFICACIÓN
2
of 171.361
CONTRIBUCIONES
62 Problemas
5334 Soluciones
PUNTUACIÓN
57.420
NÚMERO DE INSIGNIAS
139
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EVALUACIÓN MEDIA
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7 Temas destacados
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Feeds
Resuelto
How Long is the Border Between Unitopia and Zerostan?
Two countries, Unitopia (denoted by ones) and Zerostan (denoted by zeros) are engaged in a long-standing dispute: how long is th...
alrededor de 17 horas hace
Resuelto
Shifting vertically even-degree polynomial's graph by its mean over an interval
Let p be an even-degree polynomial with positive leading coefficient. Consider its vertical translation by shifting its graph by...
alrededor de 17 horas hace
Resuelto
Scaling vertically functions
Given a real function by the 1×n array, x, of inputs and the 1×n array, y, of outputs, consider shifting vertically its graph by...
alrededor de 18 horas hace
Resuelto
Container With Most Water
You are given an integer array height . There are vertical lines drawn such that the two endpoints of the ith line are (i, 1) an...
6 días hace
Resuelto
Two Sum
Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target. You m...
6 días hace
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Pascal's Pyramid - A Variation with an Arial View
Let's create a matrix of size N x N containing a Pascal's Triangle in each quadrant that diverges from the centre to form an ari...
6 días hace
Resuelto
FEN Chess Notation
Given an 8-by-8 character matrix representing a chess board, convert it to FEN (Forsyth-Edwards Notation) board position format....
6 días hace
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Pascal's Triangle
Create a matrix of size N x N containing a Pascal's Triangle that starts from the upper left corner according to the test cases ...
7 días hace
Resuelto
Convert a diagonal representation of a matrix element to linear index or subscripts
Elements in matrices in MATLAB can be retrieved by linear index or subscripts. For example, the 1 in the matrix below has a line...
7 días hace
Resuelto
Translating even-degree polynomial by its vertex to the origin
Let p be an even-degree polynomial such that has a unique vertex (single global extremum). Consider its translation by shifting ...
7 días hace
Resuelto
Translating parabola by its vertex to the origin
Given a quadratic polynomial, p(x) = ax^2 + bx + c (a ~= 0), represented by the vector [a b c], consider the translation of the ...
7 días hace
Resuelto
Extract numbers using a decaying sieve
The Sieve of Eratosthenes is one method of determining primes. Starting with 2, one keeps 2 and removes 2x2, 3x2, 4x2, etc. Then...
7 días hace
Resuelto
Determine whether a number is a repfigit number
A sequence of numbers is constructed from a number with the following steps: List the digits of . Compute the ()st term as t...
7 días hace
Resuelto
Shifting vertically a function's graph
Given a real function, f, by n input-output pairs, consider a translation in the up-down direction given by an amount k. For a ...
12 días hace
Resuelto
Calculating Swimming Stroke Index (SI)
In competitive swimming, speed () is only one part of the equation. High efficiency is defined by moving fast while maintaining ...
26 días hace
Resuelto
Data Regularization
Provided is an m-by-n integer data matrix A whose elements are drawn arbitrarily from a set *S* = [1,2,3,...,S] for any large in...
27 días hace
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Block average ignoring NaN values
Given a matrix, calculate the block average of each disjoint sub-matrix while ignoring *NaN* values. Assume that the size of the...
27 días hace
Resuelto
Neural Nets: Activation functions
Return values of selected Activation function type for value,vector, and matrices. y=Activation(x,id); where id is 1:4 for ReLU...
28 días hace
Resuelto
Create formatted value string Cell array of a vector
This Challenge is to create a cell array that contains strings of vector components in a given format. c=vector2formattedstri...
28 días hace
Resuelto
GJam: 2013 China Event: Cannon Angle
This Challenge is derived from <http://code.google.com/codejam/contest/2933486/dashboard#s=p1 GJam 2013 China Captain Hammer>. T...
28 días hace
Resuelto
Alternative Dimensions
Given a multidimensional matrix, transform the matrix so the dimensions are in the order given by variable ord. For example, giv...
28 días hace
Resuelto
Neural Net: Calculate Perceptron
This challenge is to calculate the Neural Net Perceptron value,P, given X, WH, and WP using ReLU on the hidden layer. This examp...
28 días hace
Resuelto
Neural Net: Calculate Bias Single Perceptron (AND/NAND/OR/NOR/XOR)
This challenge is to calculate the Neural Net Bias Perceptron vector,P, given X, WH, and WP using ReLU on the hidden layer. Test...
28 días hace
Resuelto
Apply the planing transform to natural numbers
Claude Lenormand’s planing (or raboter, in French) transform removes one element from each run in a sequence; that is, imagine a...
29 días hace
Resuelto
X-intercepts of a quadratic.
Find the y value of the quadratic of the function at a point x.
29 días hace
Resuelto
Point on a line
Find the slope of the straight line between the points a and b. Then find y at x=20.
29 días hace
Resuelto
Write a string
The answer should be a string that is the value: "I like apples!" (Ignore the quotation marks, just write what is inside the ...
29 días hace
