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Rounding
Round 10.67 and make 'y' equal to that number.

7 years ago

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length of a vector
Find twice the length of a given vector.

7 years ago

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only input
Return the output without writing any code into the function.

7 years ago

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Flipping a Matrix
Flipping matrix up and down. If a central row is exists, leave it, and flip remaining rows. Example Mat = magic(3) ...

7 years ago

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Joules!
1J = 101.325 L/atm Write a statement that assigns fractionalMultiplier with 101.325 Write a second statement that assigns Jo...

7 years ago

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For given vectors x,y find coresponding spline coefficients.
For given vectors x,y find coresponding spline coefficients. Example x =[ -3 -2 0 2 3] y =[ 0 0 1 ...

7 years ago

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merge two matrices together in one matrix
a= [1 2 3 4]; b=[5 6 7 8]; take the first column from matrix (a)and (b)then insert them in matrix (c) respectively, and so on;...

7 years ago

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'Price of pizza!'
If you want to check pizza's price, try this! price is proportional to its volume, so you have to multiply 0.1($) to pizza's v...

7 years ago

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test_first
just to test

7 years ago

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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...

7 years ago

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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...

7 years ago

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The Ulam Matrix
The Ulam spiral is simple to describe. On a gridded piece of paper, write down the number 1. Then write successive integers as y...

7 years ago

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radius of a spherical planet
you just measured its surface area, that is the input.

7 years ago

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Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.

7 years ago

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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...

7 years ago

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The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

7 years ago

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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]

7 years ago

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Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

7 years ago

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

7 years ago

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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.

7 years ago

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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...

7 years ago

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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...

7 years ago

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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 ...

7 years ago

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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...

7 years ago

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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 ...

7 years ago

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

7 years ago

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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...

7 years ago

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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.

7 years ago

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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...

7 years ago

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

7 years ago