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 ...

11 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, ...

11 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)...

11 months ago

Solved

Function 1 (★)

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

11 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...

11 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...

11 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...

11 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...

11 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-...

11 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...

11 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]

11 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 <> ...

11 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 ...

11 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...

11 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, ...

11 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. ...

11 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>> ...

11 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].

11 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].

11 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...

11 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:...

11 months ago