Solved

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...

9 months ago

Problem

List the notes of a major scale
If you have seen The Sound of Music, then you are familiar with the major scale: do, re, mi, fa, sol, la, ti, do. The C major sc...

9 months ago | 2 | 4 solvers

Solved

Given length x find the area y of the square
Given length x find the area y of the square

9 months ago

Solved

Integer Division Without Remainder
Write a function that takes two positive integers, a and b, and returns the result of integer division (quotient) without remain...

10 months ago

Solved

"Identify and Replace Outliers in a Numeric Array"
Given a numeric array, identify outliers that are more than two standard deviations away from the mean and replace them with the...

10 months ago

Solved

Diagonal of a Golden Rectangle
A golden rectangle has sides in the ratio 1:φ (phi), where φ is the golden ratio (approximately 1.618). Given the length of the ...

10 months ago

Problem

Compute the saturation concentration for dissolved oxygen in water
As organic matter from wastewater decomposes, it consumes oxygen, and an assessment of the effect of a wastewater discharge on t...

10 months ago | 0 | 6 solvers

Solved

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] ...

10 months ago

Solved

Sum of Even Numbers in a Vector
Write a function that takes a vector x as input and returns the sum of all even numbers in x. Input: x = [1, 2, 3, 4, 5, 6] ...

10 months ago

Solved

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...

10 months ago

Solved

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 ...

10 months ago

Solved

Remove Duplicate Words from a Sentence.
Given a sentence, remove any duplicate words, leaving only the first occurrence of each word. The output sentence should have wo...

10 months ago

Solved

Basic Identity Function
Create a function that takes an input x and returns the same value as output.

10 months ago

Solved

Add 2 to any number.
Add 2 to any number.

10 months ago

Solved

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...

11 months ago

Solved

Estimating Monthly Electricity Cost for a Household Appliance
You recently bought an electric kettle for your kitchen, and you want to estimate how much it costs to run every month. The kett...

11 months ago

Solved

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...

11 months ago

Solved

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 ...

11 months ago

Solved

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...

11 months ago

Solved

Estimating Battery Lifetime Based on Load Profile and Depth of Discharge (DoD)
In a Battery Management System (BMS), the lifetime of a battery depends on various factors, including the Depth of Discharge (Do...

11 months ago

Solved

Estimating the Range of an Electric Vehicle (EV)
In Electric Vehicles (EVs), the driving range is the estimated distance a vehicle can travel on a fully charged battery. The ran...

11 months ago

Solved

Estimating Battery Backup Time for an Inverter
In a Battery Management System (BMS), estimating the backup time of a battery-powered inverter helps determine how long it can s...

11 months ago

Solved

Battery Charge Rate Calculation
In a Battery Management System (BMS), the charge rate () of a battery can be calculated using the formula: where: is th...

11 months ago

Solved

Battery State of Health (SoH) Calculation
In a Battery Management System (BMS), the State of Health (SoH) of a battery is an indicator of its overall condition. It is cal...

11 months ago

Solved

Battery Charge Efficiency Calculation
In a Battery Management System (BMS), the efficiency of battery charging can be estimated using the formula: where: is the...

11 months ago

Solved

Battery Voltage Drop Estimation
In a Battery Management System (BMS), the voltage drop (V_drop) due to the load can be calculated using the formula:V_drop=I×R ...

11 months ago

Solved

Battery Discharge Time Estimation
In a Battery Management System (BMS), the estimated discharge time (T) of a battery can be calculated as: where: is the ...

11 months ago

Solved

State of Charge (SoC) Estimation for a Battery
The State of Charge (SoC) of a battery represents its remaining charge as a percentage. It can be calculated using the formula: ...

11 months ago

Solved

Battery Life Estimation for a Device
A battery-powered device consumes a constant current while operating. The estimated battery life (T) can be calculated using the...

11 months ago

Solved

Calculate Charge Using Capacitance and Voltage
The charge (Q) stored in a capacitor is given by the formula:Q=C×V where: C is the capacitance (in farads) V is the voltage (...

11 months ago