The Goldbach Conjecture, Part 2
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach
conjecture> asserts that every even integer greater than 2 can ...
4 years ago
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Find the peak 3n+1 sequence value
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...
Prime factor digits
Consider the following number system. Calculate the prime factorization
for each number n, then represent the prime factors in a...
4 years ago
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All capital?
Are all the letters in the input string capital letters?
Examples:
'MNOP' -> 1
'MN0P' -> 0
4 years ago
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Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example,
x=[1 2 3] ----> y = [1.5 2.5]
x=[1...
Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...
4 years ago
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Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if
list = {'Barney Google','Snuffy Smith','Dagwood ...
Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so:
x = [1 2 3 4]
Commas are optional, s...
4 years ago
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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:...