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**Content Feed**

Solved

The Goldbach Conjecture

The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

12 days ago

Solved

Poly2mask, drawpolygon or patch

Recently, I tried to plot a polygon in matlab, and I found there is a lot of embedded function that can be used. However, some f...

1 month ago

Solved

Project Euler: Problem 9, Pythagorean numbers

A Pythagorean triplet is a set of three natural numbers, a b c, for which, a^2 + b^2 = c^2 For example, 3^2 + 4^2 = 9 + 16 ...

3 months ago

Solved

Project Euler: Problem 8, Find largest product in a large string of numbers

Find the greatest product of five consecutive digits in an n-digit number. 73167176531330624919225119674426574742355349194934...

3 months ago

Solved

Project Euler: Problem 4, Palindromic numbers

A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 ...

3 months ago

Solved

Project Euler: Problem 3, Largest prime factor

The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number being input, input might be ui...

3 months ago

Solved

Sum all integers from 1 to 2^n

Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

3 months ago

Solved

We love vectorized solutions. Problem 1 : remove the row average.

Given a 2-d matrix, remove the row average from each row. Your solution MUST be vectorized. The solution will be tested for ac...

5 months ago

Solved

Musical Note Interval 1 - Diatonic Scale

Assuming a simple diatonic C scale, calculate the interval (integer) between two notes (provided as strings). By applying number...

5 months ago

Solved

The Piggy Bank Problem

Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

12 months ago

How do I display my secant method iteration values in a table?

If you want to display things nicely, you can use fprintf to format things into text. If the primary concern is getting the valu...

12 months ago | 0

| accepted

Matalb Academy - Reinforcement Learning Onramp: submission failed

There was a change in R2021a that caused an incompatibility. We have a fix ready that will go out with the next update to the tr...

1 year ago | 3

Submitted

Conditionally colored line plot

Plots (2D line) graph split into two colors above and below a given threshold value

2 years ago | 9 downloads |

Submitted

Simple real Fourier series approximation

Computes coefficients for the real Fourier series approximation to a data set.

2 years ago | 13 downloads |

Assign a number to a letter in excel

I don't understand what you're trying to get out of the original data. If you do diff(X2) you'll get [1 -1 0 0 0...

2 years ago | 0

Solved

Integer or Float?

Test an input to see whether it is an integer or a floating point number. If it is an integer return 1 for 'true'. Otherwise ret...

3 years ago

Solved

Solve a System of Linear Equations

Given a constant input angle θ(theta) in radians, create the coefficient matrix(A) and constant vector(b) to solve the giv...

3 years ago

Solved

Verify Law of Large Numbers

If a large number of fair N-sided dice are rolled, the average of the rolls is likely to be close to the expected value of a sin...

3 years ago

Solved

Find the Oldest Person in a Room

Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

3 years ago

Solved

Times 2 - START HERE

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

3 years ago

Referencing the name "MATLAB"

The official rules for all that stuff reside in the style guide.

3 years ago | 4

| accepted

Channel

CWC19 Semifinal tracker

Percentage of possible outcomes of the remaining Cricket World Cup matches that result in each team making it to the semifinals....

3 years ago

Submitted

"Getting Started with MATLAB" video example files

Example MATLAB scripts for the solar panel example shown in the "Getting Started with MATLAB" video

3 years ago | 52 downloads |

Solved

Magic is simple (for beginners)

Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

3 years ago

Solved

Make a random, non-repeating vector.

This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

3 years ago

Solved

Roll the Dice!

*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

3 years ago

Solved

Number of 1s in a binary string

Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

3 years 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...

3 years ago

Solved

Create times-tables

At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

3 years ago

Solved

Getting the indices from a vector

This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

3 years ago