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**Feeds**

Solved

Number of Even Elements in Fibonacci Sequence

Find how many even fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

mer än 6 år ago

Solved

The 5th Root

Write a function to find the 5th root of a number. It sounds easy, but the typical functions are not allowed (see the test su...

mer än 6 år ago

Solved

Combine the first and last names

MATLAB R2016 provides a rich set of functions to work with string arrays. In this problem, you will be given two string arrays o...

mer än 7 år ago

Solved

This is a palindrome and so am I

A palindrome is a sequence of characters which reads the same backward or forward, for instance 'a man a plan a canal panama'...

nästan 9 år ago

Solved

Simple equation: Annual salary

Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

mer än 10 år ago

Solved

Equilibrium

Is this tower of blocks going to fall? <<http://www.alfnie.com/software/equilibrium02.jpg>> *Description* Given a stack...

mer än 10 år ago

Solved

Coin change combinations.

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

mer än 11 år ago

Solved

Unique values without using UNIQUE function

You must return unique values in a vector in *stable* mode without using the unique function. About stable order flag: ...

mer än 11 år ago

Solved

Create logical matrix with a specific row and column sums

Given two numbers *|n|* and *|s|*, build an |n-by-n| logical matrix (of only zeros and ones), such that both the row sums and th...

nästan 12 år ago

Solved

Replicate elements in vectors

Replicate each element of a row vector (with NaN) a constant number of times. Examples : n=2, A=[1 2 3] -> [1 1 2 2 3 3] n=0...

nästan 12 år ago

Solved

Community Problem 500!

In honor of this being the 500th Community problem, see if you can create a function that has a Cody size of 500. It can do any...

nästan 12 år ago

Solved

Find the sum of the elements in the "second" diagonal

Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

nästan 12 år ago

Solved

Set the array elements whose value is 13 to 0

Input A either an array or a vector (which can be empty) Output B will be the same size as A . All elements of A equal to 13...

nästan 12 år ago

Solved

Convert single-precision floating-point number to binary representation

Write a function which takes a scalar <http://en.wikipedia.org/wiki/Single-precision_floating-point_format single-precision floa...

nästan 12 år ago

Solved

Multiply 2 numbers

Very easy, you just have to multiply 2 numbers but you cannot use the following signs (*, /, - ,^) ,mtimes , times, cross, pro...

nästan 12 år ago

Solved

Create a matrix from a cell

In this problem , you must convert a cell into a matrix and pad each cell with NaN. *Example 1:* If you have the input...

nästan 12 år ago

Solved

Assign numerical values to a structure with 1 field

The aim is to assign values to a multidimensional structure *without using for-loop or while-loop* Example with a structure ...

nästan 12 år ago

Solved

Accumulate Cells

Given a combining function, a cell array, and an initial value, accumulate the result. For example, accumcell(@plus,{1,...

ungefär 12 år ago

Solved

Find the biggest empty box

You are given a matrix that contains only ones and zeros. Think of the ones as columns in an otherwise empty floor plan. You wan...

ungefär 12 år ago

Solved

Ackermann's Function

Ackermann's Function is a recursive function that is not 'primitive recursive.' <http://en.wikipedia.org/wiki/Ackermann_fun...

ungefär 12 år ago

Solved

Reindex a vector

You are given two vectors of equal length. Vector N has numeric values (no Inf or NaN) while vector IDX has integers. Place th...

ungefär 12 år ago

Solved

Return the first and last character of a string

Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

ungefär 12 år ago

Solved

Convert a vector into a number

This is a sub problem related to this problem: <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition>...

ungefär 12 år ago

Solved

surface of a spherical planet

you just discovered its circumference, that is the input.

ungefär 12 år ago

Solved

Balanced number

Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...

ungefär 12 år ago

Solved

More luck than brains

Give a random function that guess and return numbers from 1 to 6 exactly like the test suite .

ungefär 12 år ago

Solved

Whether the input is vector?

Given the input x, return 1 if x is vector or else 0.

ungefär 12 år ago

Solved

Is A the inverse of B?

Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...

ungefär 12 år ago

Solved

surrounded matrix

With a given matrix A (size m x n) create a matrix B (size m+2 x n+2) so that the matrix A is surrounded by ones: A = [1 2 ...

ungefär 12 år ago

Problem

Implement a counter

Write a function that returns a function that counts the number of times it is invoked. Example: >> h = counter; >> h() ...

ungefär 12 år ago | 5 | 96 solvers