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String Logic 7
Examples: 'CAT' --> 84 'DOG' --> 79 'ROSY' --> 89 'MATLAB' --> 84 'TRUST' --> 85 'MOSTLY' --> 89

3 years ago

Solved

String Logic 6
Examples: 'CAT' --> 216 'DOG' --> 218 'ROSY' --> 333 'MATLAB' --> 433 'TRUST' --> 418 'MOSTLY' --> 488

3 years ago

Solved

String Logic 8
Example: 'CAT' --> 65 'DOG' --> 68 'ROSY' --> 79 'MATLAB' --> 65 'TRUST' --> 82 'MOSTLY' --> 76

3 years ago

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String Logic 3
Example: 'CAT' --> 'RPI' 'DOG' --> 'SDV' 'MATLAB' --> 'BPIAPQ' 'ROSY' --> 'GDHN' 'TRUST' --> 'IGJHI' 'MOSTLY' --> 'BDHI...

3 years ago

Solved

String Logic 2
Example: ROSY --> HEIO TRUST --> JHKIJ MOSTLY --> CEIJBO

3 years ago

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String Logic 1
Examples: 'CAT' --> 'IGZ' 'DOG' --> 'JUM'

3 years ago

Solved

Return unique values without sorting
If the input vector A is [42 1 1], the output value B must be the unique values [42 1] The values of B are in the same order a...

3 years 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...

3 years ago

Solved

Mersenne Primes vs. All Primes
A Mersenne prime (M) is a prime number of the form M = 2^p - 1, where p is another prime number. <https://www.mathworks.com/matl...

3 years ago

Solved

Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

3 years ago

Solved

Simpson's Paradox - Calculate correlation coefficients for groups of data
Simpson's Paradox is a statistical phenomenon where groups of data can have a characteristic while the whole data set together h...

3 years ago

Solved

Determine if x is a combination of m and n
Given positive integers x, m, and n, determine if x can be written as x = am + bn for any (non-negative) integers a and b. Your ...

3 years ago

Solved

Generate this matrix
Generate the following matrix. n = 2; out = [-4 -3 -2 -1 0 -3 -2 -1 0 1 -...

3 years ago

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Find the minimum of the column-maximums of a matrix
Given a matrix A, find the maximum value of each column, then return the smallest of those maximum values (ie return the minimum...

3 years ago

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Create an index-powered vector
Given a input vector x, return y as index-powered vector as shown below. Example x = [2 3 6 9] then y should be [...

3 years ago

Solved

Pandigital number n°1 (Inspired by Project Euler 32)
A little warm-up to begin... An n-digit number is pandigital if it makes use of all the digits 1 to n exactly ONCE. For ex...

3 years ago

Solved

Generate Pascal's Triangle Matrix
Pascal's triangle is an arrangement of numbers where each value is the sum of the values adjacent to it in the previous row: ...

3 years ago

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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

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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

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

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 characters of a character array
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

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

3 years ago

Solved

Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

3 years ago

Solved

Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

3 years ago

Solved

3D Plots and Colorbars
Use the matrices X, Y, and Z provided in the function template to create a surface plot. Add a colorbar to the surface plot and ...

3 years ago

Solved

Create a figure and plot data
Given two data vectors (x,y), open a new figure and plot the data. Return the figure handle.

3 years ago

Solved

Make a Plot with Functions
Make a plot and test

3 years ago

Solved

Implement a bubble sort technique and output the number of swaps required
A bubble sort technique compares adjacent items and swaps them if they are in the wrong order. This is done recursively until al...

3 years ago

Solved

Create an n-by-n null matrix and fill with ones certain positions
The positions will be indicated by a z-by-2 matrix. Each row in this z-by-2 matrix will have the row and column in which a 1 has...

3 years ago