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Feeds
A résolu
Count up then down
Create a function that produces counting up from 0 up to n then down to 0 n=2 --> 0 1 2 1 0 n=3 --> ...
16 jours il y a
A résolu
Create a square matrix of multiples
Given an input, N, output a matrix N x N with each row containing multiples of the first element of each row. This also applies...
16 jours il y a
A résolu
Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5
16 jours il y a
A résolu
Find the largest value in the 3D matrix
Given a 3D matrix A, find the largest value. Example >> A = 1:9; >> A = reshape(A,[3 1 3]); >> islargest(A) a...
16 jours il y a
A résolu
Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<https://i.imgur.com/jlZDHhq.png>> Image courtesy of <http://up...
16 jours il y a
A résolu
Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...
16 jours il y a
A résolu
Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? Image courtesy of Wikipedia.
16 jours il y a
A résolu
"mirror" matrix
Create n x 2n "mirror" matrix of this type: Examples For n = 2 m = [ 1 2 2 1 1 2 2 1 ] For n = 3 m = ...
24 jours il y a
A résolu
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...
24 jours il y a
A résolu
Roll the Dice!
Description Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. Example [x1,x2] = rollDice(...
24 jours il y a
A résolu
Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...
24 jours il y a
A résolu
Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...
24 jours il y a
A résolu
Calculate the average value of the elements in the array
Calculate the average value of the elements in the array
24 jours il y a
A résolu
Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.
24 jours il y a
A résolu
the average value of the elements
Calculate the average value of the elements in the array
24 jours il y a
A résolu
Perimeter of a semicircle
Given the diameter d, find the perimeter of a semicircle
24 jours il y a
A résolu
Volume Pillar
Calculate the volume of a pillar with radius l and heigth ar.
24 jours il y a
A résolu
radius of a spherical planet
You just measured its surface area, that is the input.
24 jours il y a
A résolu
Calculate area of sector
A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...
24 jours il y a
A résolu
frame of the matrix
Given the matrix M, return M without the external frame.
24 jours il y a
A résolu
Alternating sum
Given vector x, calculate the alternating sum y = x(1) - x(2) + x(3) - x(4) + ...
24 jours il y a
A résolu
Unit Matrix
Given n, you should return an n-by-n unit matrix. Example: If input is n=2 then A = [ 1 0 0 1 ] If input is n=4 th...
24 jours il y a
A résolu
Find the mean of two vectors
Take two vectors, and output the mean of them (bonus if you don't use the in-built mean function)
24 jours il y a
A résolu
Sum of the Matrix Elements
Add up all the elements in a NxM matrix where N signifies the number of the rows and M signifies the number of the columns. E...
25 jours il y a
