Your lab
My Lab
Your rank, streak, badges and notebook. Everything you've earned on the thread so far.
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0 XP
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Total XP
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Day streak
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First-try accuracy
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Chambers cleared
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Problems solved
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Proofs
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Cards
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Badges
Daily challenge
Activity
Courses
Mathematics for Machine Learning
Linear Algebra for Machine Learning
Calculus for Machine Learning
Probability & Statistics for Machine Learning
Neural Networks from First Principles
Large Language Models: From Tokens to Production
Badges
The journey
Chambers cleared and guardians defeated.0/15First Thread
Clear your first chamber. · +20 XP
Halfway There
Clear half the chambers of a course. · +30 XP
Fluent in Symbols
Clear every chamber of Mathematics for Machine Learning. · +40 XP
Riddle Solver
Answer the Sphinx's riddles at the centre of Mathematics for Machine Learning. · +75 XP
Bronze Breaker
Bring down Talos at the centre of Linear Algebra for Machine Learning. · +75 XP
Master of Change
Clear every chamber of Calculus for Machine Learning. · +40 XP
Bellerophon's Heir
Slay the Chimera at the centre of Calculus for Machine Learning. · +75 XP
Master of Chance
Clear every chamber of Probability & Statistics for Machine Learning. · +40 XP
Hermes's Lullaby
Close all hundred eyes of Argus at the centre of Probability & Statistics for Machine Learning. · +75 XP
Master of Words
Clear every chamber of Large Language Models. · +40 XP
Bound to the Mast
Sail past the Sirens at the centre of Large Language Models. · +75 XP
Minotaur Slayer
Defeat the Minotaur at the centre of Neural Networks from First Principles. · +75 XP
Twin Threads
Defeat the guardians of two different labyrinths. · +50 XP
Polymath
Defeat every guardian in the academy. · +100 XP
Cartographer
Clear every chamber of every course. · +100 XP
Mathematics
Proofs written and problems solved.0/8Chain Rule Master
Compute every gradient in the backprop lab on the first try. · +40 XP
Euler's Apprentice
Solve your first coding problem. · +20 XP
Problem Solver
Solve 5 coding problems. · +30 XP
Euler's Heir
Solve 20 coding problems. · +60 XP
Sharpshooter
Solve 5 coding problems with your first submission. · +35 XP
Q.E.D.
Write your first proof and check it against the model proof. · +30 XP
Proof Apprentice
Assemble three proof puzzles. · +20 XP
Proof Smith
Complete 12 proofs of any kind. · +50 XP
Research
Papers decoded, texts read, lectures watched.0/14Codebreaker
Decode your first equation from a real research paper. · +20 XP
Rosetta Stone
Decode 10 equations from research papers. · +50 XP
Translator
Complete 5 matching exercises between maths, words and code. · +25 XP
Library Card
Read your first text beyond the course. · +15 XP
Bookworm
Read 10 texts beyond the course. · +30 XP
Scholar
Read 25 texts beyond the course. · +50 XP
Front Row Seat
Watch three lecture videos. · +15 XP
Lecture Hall Regular
Watch 10 lecture videos. · +25 XP
Paper Anatomist
Dissect an abstract sentence by sentence. · +20 XP
Statistically Significant
Gather enough evidence to separate signal from noise. · +25 XP
Reviewer #2
Spot the flaw in every experimental report. · +30 XP
Abstract Architect
Assemble an abstract in the right order. · +20 XP
LaTeX Scribe
Typeset every equation in the LaTeX forge. · +30 XP
First Author
File your first research note. · +40 XP
Labs
Challenges conquered inside the interactive labs.0/50Alpha to Omega
Sprint through the Greek alphabet. · +20 XP
Venn Virtuoso
Shade every target region in the Venn lab. · +20 XP
Logician
Complete the truth tables for implication and equivalence. · +20 XP
Composer
Build every target function from smaller machines. · +20 XP
Sigma Sculptor
Sculpt sums that hit every target. · +25 XP
Shape Detective
Predict the shapes of eight matrix expressions. · +25 XP
To the Limit
Watch a secant become a tangent. · +20 XP
Law of Large Numbers
Sample until the average settles on the expectation. · +25 XP
Notation Native
Win the notation marathon. · +40 XP
Gradient Surfer
Converge within five steps in the gradient descent lab. · +20 XP
Trap Escaper
Escape a local minimum and find the deeper valley. · +25 XP
Line Drawer
Separate two classes with a single neuron. · +20 XP
Beyond the Perceptron
Train a network that conquers XOR. · +30 XP
Spiral Tamer
Tame the spiral dataset. · +50 XP
Navigator
Reach every target with linear combinations. · +20 XP
Right Angle
Find a pair of orthogonal vectors off the axes. · +20 XP
Span Master
Explore what two vectors can and cannot reach. · +25 XP
Matrix Sculptor
Rotate, reflect, shear and flatten space with matrices. · +30 XP
Row Reducer
Reduce three systems to reduced row echelon form. · +25 XP
Rank Detective
Read the rank of eight matrices. · +25 XP
Least-Squares Artisan
Fit a line by hand to within 1% of the optimum. · +25 XP
Eigen Hunter
Find every eigenvector direction in the eigen lab. · +40 XP
Low-Rank Artist
Compress an image with the SVD. · +40 XP
ε–δ Duellist
Win the ε–δ game against every function. · +25 XP
Slope Sleuth
Find where each activation function is steepest. · +20 XP
Gradient Keeper
Keep a gradient alive through twenty layers. · +30 XP
Downhill Compass
Point exactly downhill on a loss landscape. · +20 XP
Fold Finder
Find where a map folds space flat. · +25 XP
Gradient Detective
Unmask the true gradient of four functions with a gradient check. · +25 XP
Critical Cartographer
Map every critical point of Himmelblau's function. · +40 XP
Tangency Hunter
Find constrained optima where the gradients line up. · +30 XP
Riemann Racer
Estimate integrals with only a handful of strips. · +25 XP
Spam Sleuth
Tip a naive Bayes filter both ways. · +20 XP
Quantile Quester
Read quantiles straight off a CDF. · +20 XP
Signal Keeper
Initialise deep networks so their signals neither vanish nor explode. · +30 XP
Gaussian Sculptor
Sculpt Gaussians to match three clouds of points. · +25 XP
Bell Maker
Watch averages of skewed data become a bell curve. · +25 XP
Likelihood Climber
Climb to the top of three likelihoods. · +20 XP
Entropy Sculptor
Shape distributions to hit exact amounts of surprise. · +25 XP
Bandit Tamer
Find the best slot machine with Thompson sampling. · +40 XP
Interval Auditor
Catch a confidence interval that lies about its coverage. · +30 XP
Token Squeezer
Fit phrases into tight token budgets with hand-picked merges. · +25 XP
Attention Steerer
Point a query exactly where it needs to look. · +20 XP
Compute-Optimal
Split a compute budget between parameters and data, Chinchilla style. · +30 XP
Nucleus Navigator
Shape next-token distributions with temperature, top-k and top-p. · +25 XP
Batch Flipper
Flip a temperature-zero answer with nothing but the batch size. · +40 XP
Schema Enforcer
Make a model speak valid JSON, every time. · +25 XP
Release Manager
Ship, roll back or hold three prompt releases on the evidence. · +40 XP
Retrieval Ranger
Write queries that land the right document first. · +25 XP
Deployment Planner
Fit models onto GPUs and find the break-even volume. · +40 XP
Dedication
Streaks, daily challenges and a well-stocked Codex.0/13Sharp Mind
Answer 10 questions correctly on the first try. · +30 XP
Centurion
Answer 100 questions correctly. · +50 XP
Flawless Checkpoint
Clear a chamber with every checkpoint question right on the first try. · +30 XP
Kindling
Keep a 3-day learning streak. · +20 XP
Eternal Flame
Keep a 7-day learning streak. · +50 XP
Fortnight of Focus
Keep a 14-day learning streak. · +60 XP
Unbroken Thread
Keep a 30-day learning streak. · +100 XP
Marathon
Earn 300 XP in a single day. · +30 XP
Daily Devotee
Answer three daily challenges correctly. · +25 XP
Daily Scholar
Answer ten daily challenges correctly. · +40 XP
Codex Keeper
Collect 10 concept cards. · +25 XP
Legendary Pull
Collect a legendary concept card. · +30 XP
Archivist
Collect every concept card in the Codex. · +50 XP
Secrets
Some things are only found by accident.0/16Secret badge
Keep exploring. Some things are found by accident.
Secret badge
Keep exploring. Some things are found by accident.
Secret badge
Keep exploring. Some things are found by accident.
Secret badge
Keep exploring. Some things are found by accident.
Secret badge
Keep exploring. Some things are found by accident.
Secret badge
Keep exploring. Some things are found by accident.
Secret badge
Keep exploring. Some things are found by accident.
Secret badge
Keep exploring. Some things are found by accident.
Secret badge
Keep exploring. Some things are found by accident.
Secret badge
Keep exploring. Some things are found by accident.
Secret badge
Keep exploring. Some things are found by accident.
Secret badge
Keep exploring. Some things are found by accident.
Secret badge
Keep exploring. Some things are found by accident.
Secret badge
Keep exploring. Some things are found by accident.
Secret badge
Keep exploring. Some things are found by accident.
Secret badge
Keep exploring. Some things are found by accident.
Research notes
Recent XP
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Your data
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