Solved

Extract leading non-zero digit (★★★★★)
(Copy of Problem 47) Benford's Law states that the distribution of leading digits is not random. This is probably because man...

6 years ago

Solved

Longest run of consecutive numbers (★★★★★)
(copy of Problem 672) Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you...

6 years ago

Solved

Volume of Cylinder
Find the volume of a cylinder

6 years ago

Solved

Reindex a vector (★★)
(copy of Prob. 676) You are given two vectors of equal length. Vector N has numeric values (no Inf or NaN) while vector IDX h...

6 years ago

Solved

Convert Angstrom to Meters
Write a code that converts the angstrom unit to meters.(A is angstrom and m is meters.)

6 years ago

Solved

Given A4 sizes find A3's long side
I think you know the relation between A3 and A4 paper so givens are sides of A4 x1=long side of A4 y1=short side of A4 y2 is ...

6 years ago

Solved

Get the elements of diagonal and antidiagonal for any m-by-n matrix (★★★★)
(copy of prob. 859) In this problem you must submit a solution which returns the diagonal and anti-diagonal elements without ...

6 years ago

Solved

SatCom #5: Determine Elliptical Orbit Parameters
*Satellite and Space Engineering - Problem #5* _This is part of a series of problems looking at topics in satellite and space...

6 years ago

Solved

Variance computation (★★★)
Given a vector x with several values, compute the variance, whose formula is given by: <<https://i.imgur.com/Wg95KBE.gif>> ...

6 years ago

Solved

Create times-tables (★★★)
(copy of prob 33) At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 ti...

6 years ago

Solved

Make a checkerboard matrix (★★★★★)
(copy of Prob. 4) Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1...

6 years ago

Solved

Times 9
Try out this test problem first. Given the variable x as your input, multiply it by nine and put the result in y. Examples...

6 years ago

Solved

Times 8
Try out this test problem first. Given the variable x as your input, multiply it by eight and put the result in y. Example...

6 years ago

Solved

Times 7
Try out this test problem first. Given the variable x as your input, multiply it by seven and put the result in y. Example...

6 years ago

Solved

Times 6
Try out this test problem first. Given the variable x as your input, multiply it by six and put the result in y. Examples:...

6 years ago

Solved

Times 3
Try out this test problem first. Given the variable x as your input, multiply it by three and put the result in y. Example...

6 years ago

Solved

Times 20
Try out this test problem first. Given the variable x as your input, multiply it by ninety and put the result in y. Exampl...

6 years ago

Solved

Times 12
Try out this test problem first. Given the variable x as your input, multiply it by twelve and put the result in y. Exampl...

6 years ago

Solved

Times 11
Try out this test problem first. Given the variable x as your input, multiply it by eleven and put the result in y. Exampl...

6 years ago

Solved

Times 10
Try out this test problem first. Given the variable x as your input, multiply it by ten and put the result in y. Examples:...

6 years ago

Solved

*Prime number check 2 (in construction)
Another way to see if a number is prime is to count the number of factors. For example, the number 4 has 2 factors, [ 2 4 ]...

6 years ago

Solved

Median computation (★★★)
See easy edition of this problem. However, now you must compute the median of any real-valued vector without using the in-built...

6 years ago

Solved

Median computation (★)
Given a vector of values, compute the median. The median is defined as the middle value in a set of *sorted* data. Thus, if ...

6 years ago

Solved

Swap the first and last columns (★★)
(copy of Prob 19) Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becom...

6 years ago

Solved

Column Removal (★★★)
(copy of prob 7) Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2...

6 years ago

Solved

Replicate elements in vectors (★★★)
(copy of Prob 867) Replicate each element of a row vector (with NaN) a constant number of times. Examples n=2, A=[1 2...

6 years ago

Solved

Matrix indexing with two vectors of indices (★★)
(copy of Prob 589) Given a matrix M and two index vectors a and b, return a row vector x where x(i) = M(a(i),b(i)). Thus, if...

6 years ago

Solved

Volume of Equilateral Triangle Prism
Find volume of equilateral triangle prism x = side of triangle l = length of prism

6 years ago

Solved

Generate a vector which contains a pyramid pattern (★★★★)
Generate a vector that contains terms that follows a pyramid pattern up to the nth row: 1 2 2 3 3 3 4 4 4 4 ...

6 years ago

Solved

Variance computation (★)
Given a vector x with several values, compute the variance, whose formula is given by: <<https://i.imgur.com/Wg95KBE.gif>> ...

6 years ago