Top 5% contributor
Make date ticks adapt to zooming
25 days ago
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if
10 days ago
There will always be at least one prime in the matrix.
Input in = [ 8 3
5 9 ]
Output out is 4...
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...
Given the input n, return true if n is odd or false if n is even.
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...
2 years ago
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.]
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN.
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...
Find the sum of all the numbers of the input vector x.
Input x = [1 2 3 5]
Output y is 11
Input x ...
Reverse the vector elements.
Input x = [1,2,3,4,5,6,7,8,9]
Output y = [9,8,7,6,5,4,3,2,1]
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.
3 years ago
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...
4 years ago
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html 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...
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.
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