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Test your geometry knowledge!(simple)
We have the following shape and you need to: 1) Find the area of the triangle ABE(A_tr). (Suppose that the angle E is 90 degree...

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Calculate the Compression of a Spring
A mechanical engineer wants to determine how much a spring will compress when a force is applied to it. According to Hooke’s Law...

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Radar Target Distance Calculation
A radar system sends a short electromagnetic pulse toward a target and measures the elapsed time between transmission and recept...

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Reverse the Sign
Write a function that returns the input with the sign of every element reversed. The input may be a scalar, vector, or matrix. ...

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Column Vector
The third problem in Linear Algebra group. Create a column vector like this:

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Row Vector
The second problem in Linear Algebra group. Create this vector in MATLAB: [7 8 26]

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Scalar
The First problem in Linear Algebra group. Make scalar contains the value:

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Matrix
The fourth problem in Linear Algebra group. Create a matrix like this: 14 7 26 7 8 6 3 0 30

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Sum of Elements Above the Main Diagonal of a Square Matrix
Given a square matrix as input, write a function that returns the sum of all elements above the main diagonal. If the input mat...

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Show me the shape of your array
Write a function that determines the shape of the input array x: Return 'square' if x has the same number of rows and colum...

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Caesar Cipher: shift a lowercase string
A Caesar cipher shifts every letter forward through the alphabet by a fixed amount, wrapping around from z back to a. Given a...

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Is the Matrix Square?
Write a function that determines whether the input matrix x is square. Return true if x has the same number of rows and columns...

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Sum of proper divisors (aliquot sum)
A proper divisor of a positive integer n is any divisor of n except n itself. The aliquot sum is the sum of all proper divisors....

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Play the Disk
To access the memory address of program on disk, MS-DOS uses sectors,cylinders and heads, on disk in 3D coordinates. Given the h...

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Compute the reduced totient
The totient function counts numbers less than n that are relatively prime to n. The reduced totient function, or Carmichael lamb...

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A KING AND 100 PRISONERS

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Calculate the h-index (revisited)
H-index is a powerful tool for quantifying the scientific contribution of a researcher. The H-index is defined as follows (fro...

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Count divisors of n!
The factorial of 5, or 5! = 120, has 16 divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, and 120. How many does n!...

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Title
Make a plot for x and add title "My Plot". NOTICE: YOU CAN NOT USE ans INSTEAD OF [y ax]!

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Plot
Make a plot of the vector x. NOTICE: YOU CAN NOT USE ans INSTEAD OF y!

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MATLAB 101: List Manipulation: Add and Remove
Create a MATLAB function that performs dynamic list operations on a cell array of strings. The function should accept the curren...

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MATLAB 101: University Department Data Analyzer
You are given an array containing the number of students in various academic departments of a university, along with a parallel ...

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MATLAB 101: Multinacci Sequence Generator
Create a function that generates a sequence of length n based on the sum of the previous l terms. If l = 2, it acts like the Fi...

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MATLAB 101: Tribonacci Sequence
Each number in the Tribonacci series is the sum of the three preceding ones. Sequence: 0, 0, 1, 1, 2, 4, 7, 13, 24, 44, ... Writ...

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MATLAB 101: Scalar-Vector Multiplication
Write a MATLAB function that takes a numeric array (vector or matrix) v and a scalar multiplier s. The function should return a ...

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MATLAB 101: Lucas Sequence
The Lucas sequence follows the same additive rule as Fibonacci, but starts with 2 and 1. Sequence: 2, 1, 3, 4, 7, 11, 18, 29, 47...

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MATLAB 101: Factorial Finder
The factorial of a non-negative integer n (denoted as n!) is the product of all positive integers less than or equal to n. For e...

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MATLAB 101: Count the Evens
Write a MATLAB function that accepts an array of integers and returns the total count of even numbers present in the array. Note...

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MATLAB 101: Replace Negatives with Zero
Write a MATLAB function that takes a numeric array (vector or matrix) of numbers and replaces all negative numbers with zero. Po...

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MATLAB 101: Reverse a Vector
Write a MATLAB function that takes a 1D vector (either a row or a column vector) and returns the vector with its elements in exa...

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