Solved

Area of a pentagon
Given the side of a regular pentagon and its apothem return the area of pentagon. Remember the area of pentagon is calculate ...

6 years ago

Solved

calculate linear convolution two vectors
for e.g in: a = [1 2 3] b = [4 5 6] out: y = [4 13 28 27 18]

6 years ago

Solved

Volume of a sphere given its surface area
You just measured its surface area, that is the input.

6 years ago

Problem

Evaluate the logarithmic integral
The <https://en.wikipedia.org/wiki/Logarithmic_integral_function logarithmic integral> li(x) plays a role in number theory becau...

6 years ago | 1 | 18 solvers

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.

6 years ago

Solved

Project Euler: Problem 16, Sums of Digits of Powers of Two
2^15 = 32768 and the sum of its digits is 3 + 2 + 7 + 6 + 8 = 26. What is the sum of the digits of the number 2^N? Thanks ...

6 years ago

Solved

Sum of self power series
The series, 1^1,2^2,3^3,4^4,.... Find the sum of such series when x terms are given.

6 years ago

Solved

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

6 years ago

Solved

intervals
Write a function that takes an interval from a to b, and divides it into 6 parts.

6 years ago

Solved

row removal
Remove the nth row from input matrix M and return the resulting matrix in output N.

6 years ago

Solved

Can the given sides form a triangle?
Can the three given sides form a triangle?

6 years ago

Problem

Identify primorial primes
Cody Problems <https://www.mathworks.com/matlabcentral/cody/problems/46054-count-trailing-zeros-in-a-primorial 46054> and <https...

6 years ago | 1 | 37 solvers

Problem

Find the last non-zero digit in a primorial
<https://www.mathworks.com/matlabcentral/cody/groups/2001/problems/45251 Cody Problem 45251> asked us to find the last non-zero ...

6 years ago | 1 | 33 solvers

Problem

Count trailing zeros in a primorial
<https://www.mathworks.com/matlabcentral/cody/problems/44068-the-number-of-trailing-zero-digit-of-a-factorial Cody Problem 44068...

6 years ago | 4 | 85 solvers

Solved

Find mistyped words in text (mixed-up letters)
Mistyped words are a regular occurrence in emails, texts, status updates, and the like. Many times, people send or post a second...

6 years ago

Solved

Last non-zero digit
Given a number n, find the last non-zero digit of the factorial of that number. You need to take care of the large values of n....

6 years ago

Solved

The Tower of Hanoi
In the <http://en.wikipedia.org/wiki/Tower_of_Hanoi Tower of Hanoi problem> with 3 rods (1, 2 & 3), the goal is to move a tower ...

6 years ago

Solved

peta to nano (x-ray)
for certain x-ray radiation, given frequency in petahertz, give wavelength in nanometer, must be accurate +/- 25%

6 years ago

Solved

Find the stride of the longest skip sequence
We define a _skip sequence_ as a regularly-spaced list of integers such as might be generated by MATLAB's <http://www.mathworks....

6 years ago

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...

6 years ago

Solved

Let's see how peculiar we can get
The task is to multiply two numbers. But do it in the most peculiar possible way.

6 years ago

Solved

Find the position of first minimum value in an integer array with numbers
If x = [2 6 4 9 10 3 1 5 1] the the output should be 7, because the first minimum value (1) lies at the 7th position.

6 years ago

Solved

Can I make a right triangle ?
Input(a) - is vector with any amount of values. Interpreted as legths of sides. Output(b): * Is true if there are any 3 va...

6 years ago

Solved

Now 20% off!
Furloughs are hitting government workers this year. To commemorate getting one unpaid day off each week until the end of Septem...

6 years ago

Solved

Solitaire Cipher
Implement the <http://en.wikipedia.org/wiki/Solitaire_(cipher) solitaire cipher>. Since this is from Wikipedia, I am capturin...

6 years ago

Solved

Crunch that matrix!
You are given an M x N matrix. Write a script that will compress this matrix into an M x (N/3) matrix, where each of the terms ...

6 years ago

Solved

Wrecked Angles?
It's time for some simple geometry fun to start off the new year. You will be given the perimeter P and the area A of a recta...

6 years ago

Solved

Average Grade
Given a 1x5 vector presents the grades of a student on five tests. Calculate the average grade of that student.

6 years ago

Solved

Sum two matrices
Take two incoming matrices, and sum them

6 years ago

Solved

Reverse the Matrix
Given a Matrix A, reverse it. Such that, last element of A becomes 1st and vice versa. for example: Input = [1 2 3;4 5 ...

6 years ago