biometrics, pattern classification, machine learning
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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 years ago
Calculate the nth Fibonacci number.
Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ...
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false.
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...
Triangle numbers are the sums of successive integers. So 6 is a triangle number because
6 = 1 + 2 + 3
which can be displa...
Regardless of input, output the string 'yes'.
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...
Remove the nth column from input matrix A and return the resulting matrix in output B.
A = [1 2 3; 4 5 6];
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN.
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...
Find the sum of all the numbers of the input vector x.
Input x = [1 2 3 5]
Output y is 11
Input x ...
Check if sorted.
Input x = [1 2 0]
Output y is 0
Given the input n, return true if n is odd or false if n is even.
In MATLAB, you create a vector by enclosing the elements in square brackets like so:
x = [1 2 3 4]
Commas are optional, s...
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