Community Profile

Contact

Top 5% contributor

The timer object in MATLAB (>> help timer) is probably your best bet. Just initialize it when the GUI launches or the program st...

0

Answered 2 years ago

Regardless of input, output the string 'yes'.

Solve this!

1 year ago

Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

2 years ago

Given a matrix, m-by-n, find all the rows that have the same "increase, decrease, or stay same" pattern going across the columns...

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

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. Example...

Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....

3 years ago

Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

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 and b, return the sum a+b in c.

This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

Given the input n, return true if n is odd or false if n is even.

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...

Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

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