Z-Score Normalization calculator
Z-Score Normalization Paste numbers (comma, space, tab, or newline separated). Formula: z = (x − μ) / σ Values Standard deviation: Sample (n − 1)Population (n) Decimals Normalize Count: – Mean μ: – SD σ: – Min: – Max: – # Original (x) z If all values are identical (σ = 0), z is shown […]
Creating python virtual environment
A virtual environment is an isolated workspace for your Python projects.It helps you manage dependencies for each project separately — so your global Python setup stays clean. Step 1: Open Command Prompt or PowerShell Navigate to your project folder using: (Replace <project_directory> with your actual project path, for example:) Step 2: Create a Virtual Environment […]
Recurring Deposit Calculator
Recurring Deposit (RD) Calculator Calculate maturity amount, total deposit, and interest earned. Monthly deposit (₹) Annual interest rate (% p.a.) Tenure MonthsYears Compounding frequency Monthly (simpler)Quarterly (common in India) Deposit timing End of monthBeginning of month Calculate Reset Maturity amount ₹ 0 Total deposit ₹ 0 Interest earned ₹ 0 Note: Quarterly option compounds every […]
Understanding Gradient Descent
Gradient Descent is one of the most important optimization methods used in machine learning and modeling. At its core, it is a systematic way for a model to improve step by step, by reducing its mistakes over time. Think of Gradient Descent like walking down a hill. This process of slowly moving down the slope—making […]
Neural Network Explained
, What is a Neural Network? Think of your brain as a giant web of tiny switches called neurons. These neurons are the reason we can see, think, and make decisions. They pass signals between each other and gradually learn from experience. Now, a neural network in a computer is designed to mimic this process. […]
Maximum water in container problem
We want to find out how much water can be held between two sticks. The heights of our sticks are: height = [1, 2, 4, 3]Indexes ( 0, 1, 2, 3) We use two pointers: one at the left end and one at the right end.Formula for water:area = min(height[left], height[right]) × (right – left) […]
How to start a new project in golang?
This is produce a go.mod file Next add a go file including main() function in it. How to run this?
Blind 75 Problem List
Arrays & Hashing Two Pointers Sliding Window Stack Binary Search Linked List Trees Tries Backtracking Heap / Priority Queue Graphs Dynamic Programming (1D) Dynamic Programming (2D)
From Steam to Silicon: Comparing the Industrial Revolution and America’s AI Revolution
Every era of human history has its defining transformation, a moment when society takes a giant leap forward and never looks back. In the eighteenth and nineteenth centuries, that transformation was the Industrial Revolution—a sweeping wave of technological, economic, and social change that turned Britain, and later the United States, into the workshop of the […]
How Insertion Sort Works?
Think about playing cards: you start with one card in your hand, then pick up cards one by one and slide each into its correct position. That’s exactly how insertion sort works. Let’s see it in action with this list: [7, 3, 5, 2, 6] Pass 1: Pick the 2nd card (Key = 3) Result:[3, […]