A résolu

De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

environ un mois il y a

A résolu

Quote Doubler
Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...

environ un mois il y a

A résolu

Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

environ un mois il y a

A résolu

Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

environ un mois il y a

A résolu

Create a vector
Create a vector from 0 to n by intervals of 2.

environ un mois il y a

A résolu

Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not to use d...

environ un mois il y a

A résolu

Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

environ un mois il y a

A résolu

Find max
Find the maximum value of a given vector or matrix.

environ un mois il y a

A résolu

Get the length of a given vector
Given a vector x, the output y should equal the length of x.

environ un mois il y a

A résolu

Inner product of two vectors
Find the inner product of two vectors.

environ un mois il y a

A résolu

Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

environ un mois il y a

A résolu

Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

environ un mois il y a

A résolu

Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

environ un mois il y a

A résolu

Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

environ un mois il y a

A résolu

Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

environ un mois il y a

A résolu

Return the first and last characters of a character array
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

environ un mois il y a

A résolu

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...

environ un mois il y a

A résolu

Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to find the logical indices o...

environ un mois il y a

A résolu

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...

environ un mois il y a

A résolu

Check if number exists in vector
Return 1 if number a exists in vector b otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,2,3]; Returns 1.

environ un mois il y a

A résolu

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...

environ un mois il y a

A résolu

Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

environ un mois il y a

A résolu

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]; ...

environ un mois il y a

A résolu

Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

environ un mois il y a

A résolu

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...

environ un mois il y a

A résolu

Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<https://i.imgu...

environ un mois il y a

A résolu

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

environ un mois il y a

A résolu

Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2 3 3 3 4...

environ un mois il y a

A résolu

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

environ un mois il y a

A résolu

Return area of square
Side of square=input=a Area=output=b

environ un mois il y a