Calculate the Number of Moles
The number of moles of a substance is calculated using the formula:
Mass (g) = Moles / Molar Mass (g/mol)
Write a function ca...
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Remove Duplicate Words from a Sentence
Given a sentence as a string, remove all duplicate words while keeping their first occurrence and maintaining the original word ...
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Sum of Positive Elements in a Matrix
Given a matrix A, write a function that returns the sum of all positive elements in A.
Input:
A = [-3, 4, -1; 6, -2, 8]
...
Matrix Rotation by 90 Degrees
In this problem, you are tasked with rotating a given matrix by 90 degrees in a counter-clockwise direction. The input will be a...
Voltage Divider Calculation
A voltage divider is a simple circuit used to obtain a reduced voltage from a higher voltage source using two resistors in serie...
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LED Current Calculation
In an electrical circuit, the current (III) flowing through an LED is determined using Ohm’s Law:
Where:
I is the current ...
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Inductor Energy Storage Calculation
The energy (EEE) stored in an inductor is given by the formula:
Where:
E is the energy in joules (J)
L is the inductance in...
What kind of triangle?
Write a function named check_triangle that receives three positive integers as input: a, b, and c.
These three numbers are inte...
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Count Vowels at Even Indices
Write a function `vowelEvenIndices` that counts the number of vowels (a, e, i, o, u) located at even indices (0-based) in a give...
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Test x = 1
Write a function to make the variable x = 1
Matrix Diagonal Sum
Given a square matrix A of size n x n, write a function to compute the sum of the elements on both the main diagonal and the ant...
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Zero Out Negative Elements
Write a MATLAB function called zeroNegatives that takes a numeric vector v as input and returns a modified version where all neg...