Solved

Orthonormal matrix
You decide whether any given matrix is an orthonormal matrix or not. If each column in a matrix is perpendicular to the other...

4 years ago

Solved

Space Saver
Remove all characters that are below a space in ASCII value.

4 years ago

Solved

Maximum running product for a string of numbers
Given a string s representing a list of numbers, find the five consecutive numbers that multiply to form the largest number. Spe...

4 years ago

Problem

minimum numbers of 1 to build n
The (Mahler-Popken) complexity of n: minimal number of 1's required to build n using + and *. see A005245. In this problem, yo...

4 years ago | 2 | 42 solvers

Solved

Calculating large fibonacci numbers
The fibonacci sequence starts 1,1,2,3,5,8... Find the the n'th fibonacci number. Then calculate round(log10( . )) of that n't...

4 years ago

Solved

"Look and say" sequence
What's the next number in this sequence? * [0] * [1 0] * [1 1 1 0] * [3 1 1 0] * [1 3 2 1 1 0] This a variant on the w...

4 years ago

Solved

Unusual Concatenations
The sum of the squares of certain unusual integers is equal to the concatenation of their individual digits. For example: ...

4 years ago

Solved

Square root of a number
Write a code that will output the square root of x.

4 years ago

Solved

Calculate the base-10 logarithm of a number
Calculate the logarithm of number x

4 years ago

Solved

Initialize a Natural Number matrix.
Given length of matrix initialize a matrix consisting of natural numbers from 1 to n: n = 10; x = [ 1 2 3 4 5 6 7 8 9 10]; ...

4 years ago

Solved

number play

4 years ago

Solved

Let's get back to school: create mixed numbered fraction
A fractional number can be represented as mixed number. A "mixed number" consists of an integer followed by a proper fraction...

4 years ago

Solved

Roots
Find out the roots of a given polynomial equation.Given are the coefficients of the equation.

4 years ago

Solved

Evaluate Polynomial
Given a polynomial equation coefficients in a vector p, you have to return its value at x. Example: For inputs p and x ...

4 years ago

Solved

Resizing Matrices
Take an 4x3 matrix, and resize it to a 2x6 matrix

4 years ago

Solved

Power Numbers
Find the n-th power of m.

4 years ago

Solved

Look and say Conway's sequence
In mathematics, the look-and-say sequence is the sequence of integers beginning as follows: 1, 11, 21, 1211, 111221, 312211, ...

4 years ago

Solved

Divide by 4
Given the variable x as your input, divide it by four and put the result in y.

4 years ago

Solved

Divisible by 8
Pursuant to the <http://www.mathworks.com/matlabcentral/cody/problems/42404-divisible-by-2 first problem> in this series, this o...

4 years ago

Solved

Divisible by 11
Pursuant to the <http://www.mathworks.com/matlabcentral/cody/problems/42404-divisible-by-2 first problem> in this series, this o...

4 years ago

Solved

Divisible by 7
Pursuant to the <http://www.mathworks.com/matlabcentral/cody/problems/42404-divisible-by-2 first problem> in this series, this o...

4 years ago

Solved

Divide by 4
Given the variable x as your input, divide it by 4 and put the result in y.

4 years ago

Solved

Divisible by 9
Pursuant to the <http://www.mathworks.com/matlabcentral/cody/problems/42404-divisible-by-2 first problem> in this series, this o...

4 years ago

Solved

Sum the squares of numbers from 1 to n
For a given value of n return the sum of square of numbers from 1 to n. Example For n = 2 then sum of squares = 5 (1^2 + ...

4 years ago

Solved

sum all digits
input = 123456789, output = 1+2+3+4+5+6+7+8+9 = 45

4 years ago

Solved

Four digit number ABCD reversal
write a MATLAB function to find the four-digit number ABCD when multiplied by 4 returns DCBA. The function takes an input x=4.

4 years ago

Solved

Return a list sorted by number of occurrences
Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...

4 years ago

Solved

Simple polynomial evaluation
Compute the value of a polynomial of degree n with all coefficients '1', at value x. n is always n>=0. p(x)=1+x+x^2+...+x^n...

4 years ago

Solved

find "greatest common divisor" of two integer value
A function to find Greatest Common Divisor of two integer input E.G. x=-18 y=96 output should be +6 x=-18; y=96; >>your...

4 years ago

Solved

Divisible by 5
Pursuant to the <http://www.mathworks.com/matlabcentral/cody/problems/42404-divisible-by-2 first problem> in this series, this o...

4 years ago