All Posts

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  • Activation Functions

    Explore every major activation function interactively - see why activations matter, compare Sigmoid, Tanh, ReLU, Leaky ReLU, ELU, Swish, and GELU with their derivatives.

    38 min read Machine learning

  • Backpropagation Visualized

    Watch data flow forward and gradients flow backward through neural networks, visualize the chain rule at every node, and understand vanishing gradients - all interactively.

    27 min read Machine learning

  • Gradient Descent Deep Dive: From SGD to Adam

    Explore gradient descent optimizers interactively. Race SGD, Momentum, RMSProp, and Adam side-by-side, tune learning rates, escape saddle points, and compare mini-batch vs batch - all in your browser.

    55 min read Machine learning

  • Linear Regression

    Build linear regression from the ground up with interactive visualizations. Drag points, adjust parameters, watch gradient descent converge - all in your browser.

    56 min read Machine learning

  • Linear Regression II

    Extend linear regression to two features with interactive 3D visualizations. Watch a prediction plane tilt through data, explore the cost surface, and see gradient descent converge.

    34 min read Machine learning

  • Logistic Regression

    Build logistic regression from the ground up with interactive visualizations. Adjust parameters, watch gradient descent optimize the sigmoid curve, and explore the decision boundary - all in your browser.

    52 min read Machine learning

  • Logistic Regression II

    Extend logistic regression to two features with interactive 3D visualizations. Watch a sigmoid probability surface shape itself to fit data, explore the cost surface, and see gradient descent converge.

    37 min read Machine learning

  • The Perceptron & Multi-Layer Perceptron

    Build neural networks with interactive visualizations. Train a single neuron, watch it fail on XOR, then add a hidden layer to solve it. Adjust network architecture and watch decision boundaries evolve in real-time - ...

    30 min read Machine learning

  • Polynomial Regression & the Bias-Variance Tradeoff

    Explore polynomial regression and the bias-variance tradeoff with interactive visualizations. Drag a degree slider from underfitting to overfitting, watch training vs validation curves, and build intuition for model c...

    29 min read Machine learning

  • Regularization: Ridge, Lasso & Elastic Net

    Visualize how L1 and L2 regularization shrink coefficients, why Lasso produces sparsity, and how Elastic Net combines both - all interactively in your browser.

    57 min read Machine learning

  • Interactive Machine Learning

    Learn machine learning with interactive visualizations in your browser with math and code.

    17 min read Machine learning