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Ray


Last seen: 1 day ago |  Active since 2022

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Solved


How many Christmas presents under the tree?
For many families at Christmas, each family member gives 1 present to every other family member. The main exception is that chil...

1 month ago

Solved


Find max prime number
Given integer number n. Find the max prime number (mpn) that smaller than or equal to n. Example: n = 10 --> mpn = 7

2 months ago

Problem


Count integers in randomized vector that are multiples of a given number.
The mod() function We might all remember the days when we were taught to divide and then set the remainder aside if the numbers...

7 months ago | 0 | 26 solvers

Problem


The Hacker Parole Problem
The hacker parole problem 100 hackers have been imprisoned, but have been given a way to get parole. Each of the 100 prisone...

7 months ago | 0 | 5 solvers

Solved


Sum of diagonal of a square matrix
If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12

7 months ago

Solved


Summing the last column column
Given a matrix, return the sum of the last column of the array.

7 months ago

Solved


Return part of an array
Given a 5x5 array, return a 3x3 array that contains the cells that are not on the edge of the array: Given this array Return...

7 months ago

Answered
Tracking completion of MATLAB Fundamentals as a course requirement
Students can share their progress with you on the course page. They use your username for the share and then the system keeps y...

7 months ago | 0

Problem


Return part of an array
Given a 5x5 array, return a 3x3 array that contains the cells that are not on the edge of the array: Given this array Return...

7 months ago | 1 | 29 solvers

Problem


Summing the last column column
Given a matrix, return the sum of the last column of the array.

7 months ago | 0 | 34 solvers

Solved


Given a matrix, swap the 2nd & 3rd columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...

7 months ago

Solved


Vector creation using linspace
Create a vector y containing n uniformly spaced values between a and b, with a < b. Use linspace.

7 months ago

Solved


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

7 months ago

Solved


Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

8 months ago

Solved


Chess probability
The difference in the ratings between two players serves as a predictor of the outcome of a match (the <http://en.wikipedia.org/...

8 months ago

Solved


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.

8 months ago

Solved


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]

8 months ago

Solved


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.

8 months ago

Solved


Calculate Amount of Cake Frosting
Given two input variables r and h, which stand for the radius and height of a cake, calculate the surface area of the cake you n...

8 months ago

Solved


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...

8 months ago

Solved


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

8 months ago

Solved


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

8 months ago

Solved


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 ...

8 months ago

Solved


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 ...

8 months ago

Solved


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

8 months ago

Solved


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 ...

8 months ago

Solved


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

8 months ago

Solved


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

8 months ago

Solved


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

8 months ago

Solved


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

8 months ago

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