Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99.
E...
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Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers.
Examples:
[index1 index2] = nearestNumbers([2 5 3...
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Pangrams!
A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once.
Example:
Input s ...
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Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...
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Counting Sequence
Given a vector x, find the "counting sequence" y.
A counting sequence is formed by "counting" the entries in a given sequence...
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Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...
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Fibonacci sequence
Calculate the nth Fibonacci number.
Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ...
Examples:
Inpu...
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...
3 years 前
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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because
6 = 1 + 2 + 3
which can be displa...
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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1.
Examp...
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...
3 years 前
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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:...