Projects Inventory – Page 100 – Projects Inventory Management Systems and Source Codes PHP, C#, C, Android and many others

Functional requirements of Smart Energy Management System with non-functional

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Functional Requirements User Authentication and Authorization Allow users to register, log in, and manage their accounts with secure authentication. Different access levels for users (e.g., home users, facility managers, administrators). Energy Consumption Monitoring Provide real-time monitoring of energy consumption across various devices and systems. Display detailed energy usage statistics and historical data. Energy Usage Analytics …

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Simulation of Risk Management Gaming Project in C++

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#include <iostream>
#include <iomanip>
#include <cmath>

// Function to calculate Value at Risk (VaR)
double calculateVaR(double meanReturn, double volatility, double confidenceLevel, double investmentAmount) {
    // Z-score for the given confidence level
    double zScore = 0.0;
    if (confidenceLevel == 0.95) {
        zScore = 1.645; // Approximate Z-score for 95% confidence level
    } else if (confidenceLevel == 0.99) {
        zScore = 2.33; // Approximate Z-score for 99% confidence level
    } else {
        std::cerr << "Confidence level must be 0.95 or 0.99.\n";
        return -1.0;
    }

    // Calculate Value at Risk (VaR)
    double VaR = investmentAmount * (meanReturn - zScore * volatility);
    return VaR;
}

int main() {
    double meanReturn, volatility, confidenceLevel, investmentAmount;

    std::cout << "Enter the expected mean return (as a decimal, e.g., 0.08 for 8%): ";
    std::cin >> meanReturn;
    std::cout << "Enter the annual volatility (standard deviation) of the investment: ";
    std::cin >> volatility;
    std::cout << "Enter the confidence level (0.95 or 0.99): ";
    std::cin >> confidenceLevel;
    std::cout << "Enter the investment amount: ";
    std::cin >> investmentAmount;

    double VaR = calculateVaR(meanReturn, volatility, confidenceLevel, investmentAmount);

    if (VaR != -1.0) {
        std::cout << std::fixed << std::setprecision(2);
        std::cout << "Value at Risk (VaR) for the investment: $" << VaR << "\n";
        std::cout << "This represents the potential loss at the " << (confidenceLevel * 100) << "% confidence level.\n";
    }

    return 0;
}

#include <iostream>

#include <iomanip>

#include <cmath>

// Function to calculate Value at Risk (VaR)

double calculateVaR(double meanReturn, double volatility, double confidenceLevel, double investmentAmount) {

// Z-score for the given confidence level

double zScore = 0.0;

if (confidenceLevel == 0.95) {

zScore = 1.645; // Approximate Z-score for 95% confidence level

} else if (confidenceLevel == 0.99) {

zScore = 2.33; // Approximate Z-score for 99% confidence level

} else {

std::cerr << "Confidence level must be 0.95 or 0.99.\n";

return -1.0;

}

// Calculate Value at Risk (VaR)

double VaR = investmentAmount * (meanReturn - zScore * volatility);

return VaR;

}

int main() {

double meanReturn, volatility, confidenceLevel, investmentAmount;

std::cout << "Enter the expected mean return (as a decimal, e.g., 0.08 for 8%): ";

std::cin >> meanReturn;

std::cout << "Enter the annual volatility (standard deviation) of the investment: ";

std::cin >> volatility;

std::cout << "Enter the confidence level (0.95 or 0.99): ";

std::cin >> confidenceLevel;

std::cout << "Enter the investment amount: ";

std::cin >> investmentAmount;

double VaR = calculateVaR(meanReturn, volatility, confidenceLevel, investmentAmount);

if (VaR != -1.0) {

std::cout << std::fixed << std::setprecision(2);

std::cout << "Value at Risk (VaR) for the investment: $" << VaR << "\n";

std::cout << "This represents the potential loss at the " << (confidenceLevel * 100) << "% confidence level.\n";

}

return 0;

}

Explanation Function calculateVaR(double meanReturn, double volatility, double confidenceLevel, double investmentAmount): Purpose: Computes the Value at Risk (VaR) for an investment, which estimates the potential loss at a given confidence level. Parameters: meanReturn: Expected mean return of the investment (as a decimal). volatility: Annual volatility (standard deviation) of the investment. confidenceLevel: Confidence level for the …

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Functional requirements of Smart Classroom System with non-functional

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Functional Requirements User Authentication and Authorization Allow students, teachers, and administrators to register, log in, and manage their accounts. Different access levels based on user roles (e.g., teacher, student, admin). Classroom Management Create, manage, and schedule classes, including virtual and physical classrooms. Support for different types of sessions (e.g., lectures, group discussions). Content Delivery Provide …

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Functional requirements of Smart Car Parking System with non-functional

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Functional Requirements User Authentication and Authorization Allow users to register, log in, and manage their accounts. Different access levels for users (e.g., regular users, administrators). Parking Space Management Display real-time availability of parking spaces. Provide information on parking space locations and types (e.g., standard, reserved, electric vehicle charging). Booking and Reservation Allow users to book …

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Simulation of RLC Circuit Gaming Project in C++

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#include <iostream>
#include <cmath>
#include <iomanip>

const double PI = 3.141592653589793;

// Function to calculate impedance of RLC circuit
double calculateImpedance(double R, double L, double C, double f) {
    double omega = 2 * PI * f; // Angular frequency
    double XL = omega * L;     // Inductive reactance
    double XC = 1 / (omega * C); // Capacitive reactance
    return std::sqrt(R * R + (XL - XC) * (XL - XC)); // Impedance
}

// Function to calculate voltage across R, L, and C
void calculateVoltages(double R, double L, double C, double f, double Vsource, double& VR, double& VL, double& VC) {
    double omega = 2 * PI * f; // Angular frequency
    double XL = omega * L;     // Inductive reactance
    double XC = 1 / (omega * C); // Capacitive reactance
    double Z = calculateImpedance(R, L, C, f); // Impedance

    // Voltage across R
    VR = (R / Z) * Vsource;
    // Voltage across L
    VL = ((XL) / Z) * Vsource;
    // Voltage across C
    VC = ((XC) / Z) * Vsource;
}

int main() {
    // Circuit parameters
    double R, L, C, f, Vsource;
    
    // User input
    std::cout << "Enter the resistance (R) in ohms: ";
    std::cin >> R;
    std::cout << "Enter the inductance (L) in henries: ";
    std::cin >> L;
    std::cout << "Enter the capacitance (C) in farads: ";
    std::cin >> C;
    std::cout << "Enter the frequency (f) in hertz: ";
    std::cin >> f;
    std::cout << "Enter the source voltage (V) in volts: ";
    std::cin >> Vsource;

    double VR, VL, VC;
    calculateVoltages(R, L, C, f, Vsource, VR, VL, VC);

    std::cout << std::fixed << std::setprecision(2);
    std::cout << "Impedance of the RLC circuit: " << calculateImpedance(R, L, C, f) << " ohms\n";
    std::cout << "Voltage across the resistor (VR): " << VR << " volts\n";
    std::cout << "Voltage across the inductor (VL): " << VL << " volts\n";
    std::cout << "Voltage across the capacitor (VC): " << VC << " volts\n";

    return 0;
}

#include <iostream>

#include <cmath>

#include <iomanip>

const double PI = 3.141592653589793;

// Function to calculate impedance of RLC circuit

double calculateImpedance(double R, double L, double C, double f) {

double omega = 2 * PI * f; // Angular frequency

double XL = omega * L; // Inductive reactance

double XC = 1 / (omega * C); // Capacitive reactance

return std::sqrt(R * R + (XL - XC) * (XL - XC)); // Impedance

}

// Function to calculate voltage across R, L, and C

void calculateVoltages(double R, double L, double C, double f, double Vsource, double& VR, double& VL, double& VC) {

double omega = 2 * PI * f; // Angular frequency

double XL = omega * L; // Inductive reactance

double XC = 1 / (omega * C); // Capacitive reactance

double Z = calculateImpedance(R, L, C, f); // Impedance

// Voltage across R

VR = (R / Z) * Vsource;

// Voltage across L

VL = ((XL) / Z) * Vsource;

// Voltage across C

VC = ((XC) / Z) * Vsource;

}

int main() {

// Circuit parameters

double R, L, C, f, Vsource;

// User input

std::cout << "Enter the resistance (R) in ohms: ";

std::cin >> R;

std::cout << "Enter the inductance (L) in henries: ";

std::cin >> L;

std::cout << "Enter the capacitance (C) in farads: ";

std::cin >> C;

std::cout << "Enter the frequency (f) in hertz: ";

std::cin >> f;

std::cout << "Enter the source voltage (V) in volts: ";

std::cin >> Vsource;

double VR, VL, VC;

calculateVoltages(R, L, C, f, Vsource, VR, VL, VC);

std::cout << std::fixed << std::setprecision(2);

std::cout << "Impedance of the RLC circuit: " << calculateImpedance(R, L, C, f) << " ohms\n";

std::cout << "Voltage across the resistor (VR): " << VR << " volts\n";

std::cout << "Voltage across the inductor (VL): " << VL << " volts\n";

std::cout << "Voltage across the capacitor (VC): " << VC << " volts\n";

return 0;

}

Explanation Constants: PI: Mathematical constant π. Function calculateImpedance(double R, double L, double C, double f): Purpose: Computes the total impedance of the series RLC circuit. Parameters: R: Resistance in ohms. L: Inductance in henries. C: Capacitance in farads. f: Frequency in hertz. Implementation: Angular Frequency: omega = 2 * PI * f. Inductive Reactance: …

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Functional requirements of Smart Campus Management System with non-functional

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Functional Requirements User Authentication and Authorization Secure login for students, faculty, and staff with role-based access control. Password recovery and account management features. Student Information Management Maintain student profiles, including personal details, enrollment status, and academic records. Support for updating and managing student information. Course Management Create, modify, and manage course offerings, schedules, and syllabi. …

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Simulation of Robot Arm Movement Gaming Project in C++

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#include <iostream>
#include <cmath>
#include <iomanip>

const double PI = 3.141592653589793;
const double DEG_TO_RAD = PI / 180.0;

// Function to calculate the position of the end-effector
void calculateEndEffectorPosition(double angle1, double angle2, double length1, double length2, double& x, double& y) {
    // Convert angles from degrees to radians
    double rad1 = angle1 * DEG_TO_RAD;
    double rad2 = angle2 * DEG_TO_RAD;
    
    // Calculate the position of the end-effector
    x = length1 * std::cos(rad1) + length2 * std::cos(rad1 + rad2);
    y = length1 * std::sin(rad1) + length2 * std::sin(rad1 + rad2);
}

int main() {
    // Arm segment lengths
    double length1 = 10.0; // Length of the first segment
    double length2 = 10.0; // Length of the second segment

    // Angles in degrees
    double angle1, angle2;

    std::cout << "Enter the angles for the robot arm (in degrees):\n";
    std::cout << "Angle 1: ";
    std::cin >> angle1;
    std::cout << "Angle 2: ";
    std::cin >> angle2;

    double x, y;
    calculateEndEffectorPosition(angle1, angle2, length1, length2, x, y);

    std::cout << std::fixed << std::setprecision(2);
    std::cout << "End-Effector Position: (" << x << ", " << y << ")\n";

    return 0;
}

#include <iostream>

#include <cmath>

#include <iomanip>

const double PI = 3.141592653589793;

const double DEG_TO_RAD = PI / 180.0;

// Function to calculate the position of the end-effector

void calculateEndEffectorPosition(double angle1, double angle2, double length1, double length2, double& x, double& y) {

// Convert angles from degrees to radians

double rad1 = angle1 * DEG_TO_RAD;

double rad2 = angle2 * DEG_TO_RAD;

// Calculate the position of the end-effector

x = length1 * std::cos(rad1) + length2 * std::cos(rad1 + rad2);

y = length1 * std::sin(rad1) + length2 * std::sin(rad1 + rad2);

}

int main() {

// Arm segment lengths

double length1 = 10.0; // Length of the first segment

double length2 = 10.0; // Length of the second segment

// Angles in degrees

double angle1, angle2;

std::cout << "Enter the angles for the robot arm (in degrees):\n";

std::cout << "Angle 1: ";

std::cin >> angle1;

std::cout << "Angle 2: ";

std::cin >> angle2;

double x, y;

calculateEndEffectorPosition(angle1, angle2, length1, length2, x, y);

std::cout << std::fixed << std::setprecision(2);

std::cout << "End-Effector Position: (" << x << ", " << y << ")\n";

return 0;

}

Explanation Constants: PI: Mathematical constant π. DEG_TO_RAD: Conversion factor from degrees to radians. Function calculateEndEffectorPosition(double angle1, double angle2, double length1, double length2, double& x, double& y): Purpose: Calculates the position of the end-effector (tip) of the robot arm based on joint angles and segment lengths. Parameters: angle1, angle2: Angles of the two joints in …

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Functional requirements of Smart Billing System with non-functional

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Functional Requirements User Authentication and Authorization Users must be able to register, log in, and manage their accounts. Different roles (e.g., admin, customer, manager) should have specific permissions. Billing Management Ability to create, view, update, and delete bills. Support for various billing methods (e.g., credit card, bank transfer). Generate detailed invoices and receipts. Product/Service Catalog …

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Simulation of Robot Motion Gaming Project in C++

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#include <iostream>

// Class to represent a robot
class Robot {
public:
    Robot(int x = 0, int y = 0) : x(x), y(y) {}

    // Move the robot based on the given direction
    void move(char direction) {
        switch (direction) {
            case 'U': // Move up
                y++;
                break;
            case 'D': // Move down
                y--;
                break;
            case 'L': // Move left
                x--;
                break;
            case 'R': // Move right
                x++;
                break;
            default:
                std::cout << "Invalid direction! Use 'U', 'D', 'L', or 'R'.\n";
        }
    }

    // Print the current position of the robot
    void printPosition() const {
        std::cout << "Robot position: (" << x << ", " << y << ")\n";
    }

private:
    int x, y; // Coordinates of the robot
};

int main() {
    Robot robot; // Create a robot at the origin (0, 0)

    char command;
    std::cout << "Control the robot with 'U' (up), 'D' (down), 'L' (left), 'R' (right).\n";
    std::cout << "Enter 'Q' to quit.\n";

    while (true) {
        robot.printPosition();

        std::cout << "Enter command: ";
        std::cin >> command;

        if (command == 'Q' || command == 'q') {
            break;
        }

        robot.move(command);
    }

    std::cout << "Simulation ended.\n";
    robot.printPosition();

    return 0;
}

#include <iostream>

// Class to represent a robot

class Robot {

public:

Robot(int x = 0, int y = 0) : x(x), y(y) {}

// Move the robot based on the given direction

void move(char direction) {

switch (direction) {

case 'U': // Move up

y++;

break;

case 'D': // Move down

y--;

break;

case 'L': // Move left

x--;

break;

case 'R': // Move right

x++;

break;

default:

std::cout << "Invalid direction! Use 'U', 'D', 'L', or 'R'.\n";

}

// Print the current position of the robot

void printPosition() const {

std::cout << "Robot position: (" << x << ", " << y << ")\n";

}

private:

int x, y; // Coordinates of the robot

};

int main() {

Robot robot; // Create a robot at the origin (0, 0)

char command;

std::cout << "Control the robot with 'U' (up), 'D' (down), 'L' (left), 'R' (right).\n";

std::cout << "Enter 'Q' to quit.\n";

while (true) {

robot.printPosition();

std::cout << "Enter command: ";

std::cin >> command;

if (command == 'Q' || command == 'q') {

break;

}

robot.move(command);

}

std::cout << "Simulation ended.\n";

robot.printPosition();

return 0;

}

Explanation Robot Class: Attributes: x, y: Coordinates of the robot on a 2D grid. Methods: move(char direction): Updates the robot’s position based on the direction command. ‘U’: Moves the robot up by incrementing the y-coordinate. ‘D’: Moves the robot down by decrementing the y-coordinate. ‘L’: Moves the robot left by decrementing the x-coordinate. ‘R’: …

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Simulation of Routing Algorithms Gaming Project in C++

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#include <iostream>
#include <vector>
#include <climits>
#include <queue>

const int INF = INT_MAX;

// Class to represent a graph
class Graph {
public:
    Graph(int vertices) : adj(vertices, std::vector<std::pair<int, int>>()) {}

    // Add an edge to the graph
    void addEdge(int u, int v, int w) {
        adj[u].emplace_back(v, w);
        adj[v].emplace_back(u, w); // For undirected graph
    }

    // Function to perform Dijkstra's algorithm from a source vertex
    std::vector<int> dijkstra(int src) {
        int V = adj.size();
        std::vector<int> dist(V, INF);
        std::vector<bool> visited(V, false);
        std::priority_queue<std::pair<int, int>, std::vector<std::pair<int, int>>, std::greater<>> pq;

        dist[src] = 0;
        pq.emplace(0, src);

        while (!pq.empty()) {
            int u = pq.top().second;
            pq.pop();

            if (visited[u]) continue;
            visited[u] = true;

            for (const auto& edge : adj[u]) {
                int v = edge.first;
                int weight = edge.second;

                if (!visited[v] && dist[u] + weight < dist[v]) {
                    dist[v] = dist[u] + weight;
                    pq.emplace(dist[v], v);
                }
            }
        }

        return dist;
    }

private:
    std::vector<std::vector<std::pair<int, int>>> adj;
};

int main() {
    int V = 5; // Number of vertices
    Graph g(V);

    // Adding edges (u, v, weight)
    g.addEdge(0, 1, 10);
    g.addEdge(0, 4, 3);
    g.addEdge(1, 2, 2);
    g.addEdge(1, 4, 4);
    g.addEdge(2, 3, 9);
    g.addEdge(3, 4, 7);

    int src = 0; // Starting vertex
    std::vector<int> distances = g.dijkstra(src);

    std::cout << "Vertex\tDistance from Source\n";
    for (int i = 0; i < distances.size(); ++i) {
        std::cout << i << "\t\t" << (distances[i] == INF ? "INF" : std::to_string(distances[i])) << "\n";
    }

    return 0;
}

#include <iostream>

#include <vector>

#include <climits>

#include <queue>

const int INF = INT_MAX;

// Class to represent a graph

class Graph {

public:

Graph(int vertices) : adj(vertices, std::vector<std::pair<int, int>>()) {}

// Add an edge to the graph

void addEdge(int u, int v, int w) {

adj[u].emplace_back(v, w);

adj[v].emplace_back(u, w); // For undirected graph

}

// Function to perform Dijkstra's algorithm from a source vertex

std::vector<int> dijkstra(int src) {

int V = adj.size();

std::vector<int> dist(V, INF);

std::vector<bool> visited(V, false);

std::priority_queue<std::pair<int, int>, std::vector<std::pair<int, int>>, std::greater<>> pq;

dist[src] = 0;

pq.emplace(0, src);

while (!pq.empty()) {

int u = pq.top().second;

pq.pop();

if (visited[u]) continue;

visited[u] = true;

for (const auto& edge : adj[u]) {

int v = edge.first;

int weight = edge.second;

if (!visited[v] && dist[u] + weight < dist[v]) {

dist[v] = dist[u] + weight;

pq.emplace(dist[v], v);

}

return dist;

}

private:

std::vector<std::vector<std::pair<int, int>>> adj;

};

int main() {

int V = 5; // Number of vertices

Graph g(V);

// Adding edges (u, v, weight)

g.addEdge(0, 1, 10);

g.addEdge(0, 4, 3);

g.addEdge(1, 2, 2);

g.addEdge(1, 4, 4);

g.addEdge(2, 3, 9);

g.addEdge(3, 4, 7);

int src = 0; // Starting vertex

std::vector<int> distances = g.dijkstra(src);

std::cout << "Vertex\tDistance from Source\n";

for (int i = 0; i < distances.size(); ++i) {

std::cout << i << "\t\t" << (distances[i] == INF ? "INF" : std::to_string(distances[i])) << "\n";

}

return 0;

}

Explanation Graph Class: Attributes: adj: Adjacency list representation of the graph. Each vertex has a list of pairs representing adjacent vertices and edge weights. Methods: addEdge(int u, int v, int w): Adds an undirected edge between vertices u and v with weight w. dijkstra(int src): Computes the shortest paths from source vertex src using …

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