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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 ...

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MATLAB Basic: rounding
Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

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

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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.

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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: Extract the prime numbers
Given a list of elements, extract the prime numbers from that array.

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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: Find alternating sum
Given an array, find alternating sum i.e. – y = x (1) – x (2) + x (3) – x (4) + x (5) - …

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Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<https://i.imgur.com/jlZDHhq.png>> Image courtesy of <http://up...

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Side of a rhombus
If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<https://imgur.com/x6hT6mm.png>> ...

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Area of an Isoceles Triangle
An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<https://imgur...

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Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

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Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

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Find a Pythagorean triple
Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

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Triangle sequence
A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the second...

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Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return true if the triangle with sides a, b and c is right-...

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Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? Image courtesy of Wikipedia.

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Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

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MATLAB 101: Play with array Min-Max
An array is provided. For example, a= [ 2,1,11,4,5,13] Create an array from a like this way, out= [ 1,11,2,13,4,5] ➢ 1st take...

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MATLAB 101: Given a matrix X, manipulate it accordingly
Given a matrix X, 1st add a column to the matrix whose elements are the summation of each rows. Then add a row to the matrix who...

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MATLAB 101: Unique elements of the array with unchanged sequence
An array is given. Find the unique elements of the array. [keep the sequence unchanged] For example if input x=[2 ,4 , 9 ,2 ,...

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MATLAB 101: Area of an ellipse
Write a MATLAB function that accepts these two values a (major axis length), b (minor axis length) as inputs and returns the cal...

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Chess probability
The difference in the ratings between two players serves as a predictor of the outcome of a match (the <http://en.wikipedia.org/...

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MATLAB 101: Highest 3 marks
An array is given that contains the marks received by a group of students in their class test. Find out the highest 3 marks rec...

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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: 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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MATLAB 101: Hypotenuse Calculator
Write a MATLAB function that accepts the base and height of a right-angled triangle (or arrays of bases and heights) and returns...

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MATLAB 101: Rectangle Properties
Write a MATLAB function that accepts the length (L) and width (W) of a rectangle and returns two outputs: its area and its perim...

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MATLAB 101: Area of a circle
Write a MATLAB function named circle_area that accepts the radius r as an input and returns the area of the circle.

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