Enviada
Relimiter for text files
A utility for robustly changing the delimiter within text files in order to make them easier to use
más de 11 años hace | 210 descargas |
Enviada
Zero-Order Hold
A fast, basic implementation of a ZOH designed to run on vectors/matrices
más de 12 años hace | 1682 descargas |
Enviada
Download Daily Data from Google and Yahoo! Finance
Provides functions for getting data from both data sources as well as helper utility functions
más de 12 años hace | 17264 descargas |
Enviada
Predictive model calibration
A script exploring 3 useful concepts in predictive models
más de 12 años hace | 743 descargas |
Resuelto
Generate a random matrix A of (1,-1)
Input n: is an positive integer which serves as the dimension of the matrix A; Output: A=(Aij),where each entry Aij is either...
alrededor de 13 años hace
Resuelto
Sum of first n terms of a harmonic progression
Given inputs a, d and n, return the sum of the first n terms of the harmonic progression a, a/(1+d), a/(1+2d), a/(1+3d),....
alrededor de 13 años hace
Resuelto
Detect a number and replace with two NaN's
Write code which replaces the number 1 with two NaNs. Example X = [ 1 2 NaN 4 1 3 7 NaN 1 4 NaN 2] ...
alrededor de 13 años hace
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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.
alrededor de 13 años hace
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7 segment LED display
Given a whole number, output how many segments would be lit up to display it on a 7 segment LED display (http://en.wikipedia.org...
alrededor de 13 años hace
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letter yes yes & letter no no
Split a string into two strings, first string has all alphabetic letters, next string has all the rest, keep the order please, o...
alrededor de 13 años hace
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collision
several cars (n) were involved in this collision, the input matrix (vm) has n rows and two columns, first column for velocity an...
alrededor de 13 años hace
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Alternating sum
Given vector x, calculate the alternating sum y = x(1) - x(2) + x(3) - x(4) + ...
alrededor de 13 años hace
Resuelto
Woodall number
Test whether the input is a Woodall number: <http://en.wikipedia.org/wiki/Woodall_number> _Please do not cheat by simply chec...
alrededor de 13 años hace
Resuelto
Test if a Number is a Palindrome without using any String Operations
*Description* Given an integer _X_, determine if it is a palindrome number. That is, _X_ is equal to the _X_ with the digits ...
alrededor de 13 años hace
Enviada
Speeding Up Algorithms: When Parallel Computing and GPUs do and don't accelerate
Files and slides from the presentation of the same name.
alrededor de 13 años hace | 797 descargas |
Resuelto
Find the nearest integer
Given a vector of integers and a real number find the closest integer. EX: >> a = [2 4 5 6 8 10]; >> b = 4.6; >> nea...
alrededor de 13 años hace
Resuelto
Back to basics 24 - Symbolic variables
Covering some basic topics I haven't seen elsewhere on Cody. Given a string algebraic expression, return the symbolic variabl...
alrededor de 13 años hace
Resuelto
Who invented zero?
We know the importance zero in computer science, mathematics... but who invented zero? Clue: He was the first in the line ...
alrededor de 13 años hace
Resuelto
Find number of days
The input is two date in string format (dd-mm-yyyy) find out the number of days between these two dates. Example: input: ...
alrededor de 13 años hace
Resuelto
Sum the entries of each column of a matrix which satisfy a logical condition.
Given a numeric matrix A and a logical array L of the same size as A, return a row vector S containing the columnwise sums of th...
alrededor de 13 años hace
Resuelto
Fill a zeros matrix
The aim is to fill an array of all zeros given a numerical value and the index of row and columns for this value. 3 Inputs: ...
alrededor de 13 años hace
Resuelto
Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4
Example: in = magic(5) in = 17 24 1 8 15 23 5 7 14 16 4 6 13 20 ...
alrededor de 13 años hace
Resuelto
Tricky timing
Write a function that takes between 0.5 seconds and 0.6 seconds to run.
alrededor de 13 años hace
Resuelto
only input
Return the output without writing any code into the function.
alrededor de 13 años hace
Resuelto
Volume of this donut
Given hole diameter a, and outermost diameter b, determine the volume y of the resulting donut.
alrededor de 13 años hace
Resuelto
random picture with random colours
write a function which creates a random(x,y) matrix with random RGB colours for example create_pic(5,5) gives us a 3d matrix. ...
alrededor de 13 años hace
Resuelto
Parasitic numbers
Test whether the first input x is an n-parasitic number: <http://en.wikipedia.org/wiki/Parasitic_number>. ( _n_ is the second in...
alrededor de 13 años hace
Resuelto
Better bullseye matrix
<http://www.mathworks.com/matlabcentral/cody/problems/18-bullseye-matrix Problem 18> asks to create a bullseye matrix like this:...
alrededor de 13 años hace