A résolu


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

plus de 8 ans il y a

A résolu


Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

plus de 8 ans il y a

A résolu


Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

plus de 8 ans 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]; and ...

plus de 8 ans il y a

A résolu


Concatenate two strings
Its very easy. Just concatenate two strings.

plus de 8 ans il y a

A résolu


Counting down
Create a vector that counts from 450 to 200 in increments of 10.

plus de 8 ans il y a

A résolu


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

plus de 8 ans il y a

A résolu


Sorted highest to lowest?
Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

plus de 8 ans 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...

plus de 8 ans il y a

A résolu


Make a half wave rectifier
Produce a signal that outputs the given sine wave source when it is greater than zero and outputs zero when it is less than zero...

plus de 8 ans il y a

A résolu


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...

plus de 9 ans il y a

A résolu


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 ...

plus de 9 ans il y a

A résolu


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...

plus de 9 ans il y a

A résolu


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

plus de 9 ans il y a

A résolu


Scoring for oriented dominoes
Given a list of ordered pairs, and the order they should be placed in a line, find the sum of the absolute values of the differe...

plus de 9 ans il y a

A résolu


Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...

plus de 9 ans il y a

A résolu


Hackathon: the beginnings
I am thinking of a number between 1 and 10000... can you guess what this number is? *Description* The test suite has rando...

plus de 9 ans il y a

A résolu


Specific Element Count
Given a vector _v_ and a element _e_, return the number of occurrences of _e_ in _v_. Note: NaNs are equal and there may be n...

plus de 9 ans il y a

A résolu


Remove the air bubbles
Given a matrix a, return a matrix b in which all the zeros have "bubbled" to the top. That is, any zeros in a given column shoul...

plus de 9 ans il y a

A résolu


Magic!
Check whether the input matrix is a normal magic square: <http://en.wikipedia.org/wiki/Magic_square> Output the logical va...

plus de 9 ans il y a

A résolu


Counting pulses in a signal
Count the number of pulses that are the result of summing each pulse generator block. Pulse Generator blocks produce a recurr...

plus de 9 ans il y a

A résolu


Produce a sine wave
Produce a sine wave with amplitude 3: <<http://blogs.mathworks.com/images/seth/cody/sine-eqn.png>>

plus de 9 ans il y a

A résolu


Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

plus de 9 ans il y a

A résolu


Add offset to a signal
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/add-offset-eqn.png>> You should see a downward...

plus de 9 ans il y a

A résolu


Connect blocks in a model
Connect the blocks in the model to produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/connect-blocks...

plus de 9 ans il y a

A résolu


Flip the main diagonal of a matrix
Given a n x n matrix, M, flip its main diagonal. Example: >> M=magic(5); >> flipDiagonal(M) 9 24 1 ...

plus de 9 ans 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...

plus de 9 ans il y a