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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:...

mehr als 5 Jahre vor

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"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 = ...

etwa 9 Jahre vor

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Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

etwa 9 Jahre vor

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

etwa 9 Jahre vor

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Set the array elements whose value is 13 to 0
Input A either an array or a vector (which can be empty) Output B will be the same size as A . All elements of A equal to 13...

etwa 9 Jahre vor

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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.

etwa 9 Jahre vor

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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...

etwa 9 Jahre vor

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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...

etwa 9 Jahre vor

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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...

etwa 9 Jahre vor

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kmph to mps
convert kilometer per hour to meter per second

etwa 9 Jahre vor

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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...

etwa 9 Jahre vor

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concatenate the elements
you should concatenate the elements of a matrix in one dimensional array, for example if the input is A = [1 2 3; 4 5 6; 7 ...

etwa 9 Jahre vor

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Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

etwa 9 Jahre vor

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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...

etwa 9 Jahre vor

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How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

etwa 9 Jahre vor

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Make a 1 hot vector
Make a vector of length _N_ that consists of all zeros except at index _k_, where it has the value 1. Example: Input ...

etwa 9 Jahre vor

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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...

etwa 9 Jahre vor

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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. Examp...

etwa 9 Jahre vor

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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 ...

etwa 9 Jahre vor

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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...

etwa 9 Jahre vor

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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...

etwa 9 Jahre vor

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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 ...

etwa 9 Jahre vor

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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...

etwa 9 Jahre vor

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Is my wife right?
Regardless of input, output the string 'yes'.

etwa 9 Jahre vor

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

etwa 9 Jahre vor

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

etwa 9 Jahre vor

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

etwa 9 Jahre vor

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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 ...

etwa 9 Jahre vor

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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...

etwa 9 Jahre vor