Solved

Median computation (★)

Given a vector of values, compute the median. The median is defined as the middle value in a set of *sorted* data. Thus, if ...

8 months ago

Solved

Mo money, mo math 1! (★★★)

(adapted from Prob 9 Cody team) You have a vector where the elements represent the number of $20 bills, $10 bills, $5 bills, ...

8 months ago

Solved

Average of corner elements of a matrix (★★)

(copy of prob 2235) Calculate the average of corner elements of a matrix. e.g. x=[1 2 3; 4 5 6; 7 8 9;] avg = (1+3+7+9)...

8 months ago

Solved

Function 1 (★)

Compute the value of <<https://i.imgur.com/AxKWLmE.gif>> for any given positive x.

8 months ago

Solved

Make a checkerboard matrix (★★★★★)

(copy of Prob. 4) Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1...

8 months ago

Solved

Doubling elements in a vector (★★)

(copy of prob. 1024) Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] t...

8 months ago

Solved

Create a vector of n alternating ones and zeros (★★)

Given n, your output should be a vector y of numbers such that the first number is 1 and the numbers following it alternate betw...

8 months ago

Solved

Swap the first and last columns (★★)

(copy of Prob 19) Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becom...

8 months ago

Solved

Select every other element of a vector (★★)

(copy of prob 6) Write a function which returns every other element of the vector passed in. That is, it returns the all odd-...

8 months ago

Solved

Triangle Numbers (★★)

(copy of problem 5) Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3...

8 months ago

Solved

Create a vector with n repeated values of a number x (★★)

If x=3 and n=7 then the vector y would be y=[3 3 3 3 3 3 3]

8 months ago

Solved

Sum of elements in a vector (★)

(copy of Prob. 3) Find the sum of all the numbers of the input vector x. Input x = [1 2 3 5] Output y is 11 <> ...

8 months ago

Solved

Vector raised to a power, element-wise (★)

Given a vector A and a number x, raise each element of the vector to the power of x. Thus, if A = [2 5 7 1] and x = 0.5, then ...

8 months ago

Solved

Element-wise vector product (★)

Given two vectors x and y, compute their element-wise product z. Thus, if x = [1 3 5] and y = [0.5 -1 2], then z = [1*0.5...

8 months ago

Solved

Create logarithmically spaced values (★)

Given three numbers a,b,n with b>a, create a vector y with n logarithmic spaced values between 10^a and 10^b. Thus, if a = -2, ...

8 months ago

Solved

Generate n equally spaced "intervals" between -x and x (★)

Given n and x, return a list of numbers (in ascending order) that divides the interval [-x x] into n equal-length intervals. ...

8 months ago

Solved

PEMDAS test (★★)

Create the function that will return the following expression for x and y. <<https://i.ibb.co/RHWyzrv/Code-Cogs-Eqn-1.gif>> ...

8 months ago

Solved

Create a vector of the first n odd numbers (★)

If n = 10, your program should return a vector y, where y = [1 3 5 7 9 11 13 15 17 19].

8 months ago

Solved

Create a vector of the first n natural numbers (★)

If n = 7, your program should return a vector y, where y = [1 2 3 4 5 6 7].

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

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:...

8 months ago