已解决

The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

6 years 前

已解决

Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

6 years 前

已解决

Summing digits
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 + ...

6 years 前

已解决

Return the 3n+1 sequence for n
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...

6 years 前

已解决

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...

6 years 前

已解决

Back and Forth Rows
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...

6 years 前

已解决

Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

6 years 前

已解决

Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

6 years 前

已解决

Remove any row in which a NaN appears
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...

6 years 前

已回答
camera Calibrator app Undefined
This error generally occurs when the toolbox that you are using is not licensed. Try checking out the license for the Toolbox...

6 years 前 | 0

| 已接受

已解决

Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

6 years 前

已解决

Create times-tables
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...

6 years 前

已解决

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...

6 years 前

已解决

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

6 years 前

已解决

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

6 years 前

已回答
Using the text in a char matrix as the name of a matrix
You can use 'genvarname' for your purpose. For example, if you have a character array 'val' as, val = 'ABC'; then you...

6 years 前 | 1

已回答
Where do I change my username to match my username in the liscense file?
You can refer to the following link which has detailed discussion regarding such issues. <https://www.mathworks.com/matlabcen...

6 years 前 | 0

已回答
How do I transfer a Student license to a different user account on the same computer?
You can refer to the following link which speaks about the steps to be followed to add or remove the end user for a license. <h...

6 years 前 | 0

| 已接受

已回答
How to break a while loop similar to ctrl+C, but with code?
You can refer to below MATLAB Answer link which speaks about a similar scenario. <https://www.mathworks.com/matlabcentral/ans...

6 years 前 | 0

已回答
how does the variant sink block work
Variant sink blocks are mainly used to activate at most one output port during the simulation. Based on the variant condition sp...

6 years 前 | 0

已解决

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. Example...

6 years 前

已解决

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

6 years 前

已解决

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...

6 years 前

已解决

Column Removal
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 ...

6 years 前

已解决

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...

6 years 前

已解决

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

6 years 前

已解决

Add two numbers
Given a and b, return the sum a+b in c.

6 years 前

已回答
How can I split a .csv file after a change of value (string) in a column?
Hello Riccardo, I have reproduced the issue by creating a sample CSV file. I have split the CSV file into multiple files when...

6 years 前 | 0

已回答
How to reposition Labels of sfit Plot with Style Contour?
Hello Stefan, I understand that you want to manually reposition the labels of the contour lines. This can be done by using...

6 years 前 | 0

已解决

Find the sum of all the numbers of the input vector
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 ...

6 years 前