Resuelto

It's race time! Write a faster function than the test suite call of unique().
Write a function to get unique elements of a vector faster than unique()! Input will be a vector (of integers or floating point ...

casi 14 años hace

Resuelto

Coin change combinations.
Using only pennies (1), nickels (5), dimes (10), quarters (25), half dollars (50), and dollars (100), how many different combina...

casi 14 años hace

Resuelto

Decoding : Find the value
'u' in the function below is of type char or string and 'v' is of type int or double. function y = your_fcn_name( u, v) ...

casi 14 años hace

Resuelto

Determine the number of odd integers in a vector
Determine the number of unique odd integers in a vector. Examples: Input x = [2 5 8 3 7 1]; Output y = 4; Inp...

casi 14 años hace

Resuelto

Who is the smartest MATLAB programmer?
Who is the smartest MATLAB programmer? Examples: Input x = 'Is it Obama?' Output = 'Me!' Input x = 'Who ?' Ou...

casi 14 años hace

Resuelto

chirp again
rise frequency linearly from 0 to frequency f in 1 second and fs samples, initial amplitude must rise smoothly like an aircraft ...

casi 14 años hace

Resuelto

Join Strings with Multiple Different Delimiters
The idea is to form the string S by interleaving the elements of a cell array of strings DELIMITER and another cell array of st...

casi 14 años hace

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...

casi 14 años hace

Resuelto

Non-zero bits in 10^n.
Given an integer that is a power of 10, find the number of non-zero bits, k, in its binary representation. For example: * ...

casi 14 años hace

Resuelto

create a circulant matrix
create a circulant matrix

casi 14 años hace

Resuelto

Output any real number that is neither positive nor negative
Output any real number that is neither positive nor negative

casi 14 años hace

Resuelto

Diophantine Equations (Inspired by Project Euler, problem 66)
Consider the quadratic Diophantine equation of the form: x^2 – Dy^2 = 1 When D=13, the minimal solution in x is 6492 – 13×...

casi 14 años hace

Problema

Diophantine Equations (Inspired by Project Euler, problem 66)
Consider the quadratic Diophantine equation of the form: x^2 – Dy^2 = 1 When D=13, the minimal solution in x is 6492 – 13×...

casi 14 años hace | 3 | 75 solvers

Resuelto

Create an 'arrow-head" matrix
Write a function that when given an odd number, produces an arrow-head function pointing to the right. Examples n = 3 ...

casi 14 años hace

Resuelto

Phonebook-like problem
strcmpi('Yes', 'No')

casi 14 años hace

Resuelto

Count up then down
Create a function that produces counting up from 0 up to n then down to 0 n=2 --> 0 1 2 1 0 n=3 --> ...

casi 14 años hace

Resuelto

Map all the indices of an Array Indices into a Vector giving Index vs Row and Column
Create an array of the row and column values for the indices of an array. This is typically performed using [r c]=ind2sub(siz...

casi 14 años hace

Resuelto

Recurring Cycle Length (Inspired by Project Euler Problem 26)
Preface: This problem is inspired by <http://projecteuler.net/problem=26 Project Euler Problem 26> and uses text from that quest...

casi 14 años hace

Resuelto

Decimal Comparison
*Background* A utility of particular interest to Cody and other MATLAB ventures is comparing the equality of two numbers. In ...

casi 14 años hace

Resuelto

Reference Index Number
Given a reference set R of elements (each unique but identical in type), and a list V of elements drawn from the set R, possibly...

casi 14 años hace

Resuelto

FizzBuzz
<http://c2.com/cgi/wiki?FizzBuzzTest FizzBuzz Test> The "Fizz-Buzz test" is an interview question designed to help filter out...

casi 14 años hace

Resuelto

Simple Decoder Ring
The stereotypical _decoder ring_ is remembered as a cereal box prize from the 1950s. Kids learned about cryptography by startin...

casi 14 años hace

Resuelto

Become the leader
The goal of this problem is the same as the goal of the rest of them: *become the leader*. Actually, you can only solve this ...

casi 14 años hace

Resuelto

Prime Time
All you need to do here is submit your solution a prime number of seconds after the top of the hour. Any hour at all... Easy, ...

casi 14 años hace

Problema

Prime Time
All you need to do here is submit your solution a prime number of seconds after the top of the hour. Any hour at all... Easy, ...

casi 14 años hace | 2 | 63 solvers

Resuelto

Apply a function array to an array of numbers
It is required to apply a cell array of functions to a numerical array, where the functions accept only scalar inputs. Exampl...

casi 14 años hace

Resuelto

matrix zigzag
Unfold a 2-D matrix to a 1-D array in zig-zag order, e.g., for matrix [ 1 2 3 ; 4 5 6 ; 7 8 9 ] the resulting 1-...

casi 14 años hace

Resuelto

Get ranks of values in a vector
For a given vector, say [6 3 8 2], return the ranks (ascending) of observations, i.e. [3 2 4 1]. Do not worry about tied ranks. ...

casi 14 años hace

Resuelto

Coin Tossing: Probability of Same Heads for N tosses
A pair of physicists toss a coin n times each. What is the probability that they tossed the same number of heads? *Input:*...

casi 14 años hace

Resuelto

Replace multiples of 5 with NaN
It is required to replace all values in a vector that are multiples of 5 with NaN. Example: input: x = [1 2 5 12 10 7] ...

casi 14 años hace