MatheLinux
Start with competing exponential clocks — dense notes, then move a lab control. That is the MatheLinux loop.
One sitting: lesson + interactive lab. Stochastic undergrad, calculus, ML, QML, stats, and linear algebra are in the catalog.
Stochastic calculus
Black–Scholes and Itô's lemma
dSₜ = μSₜdt + σSₜdWₜ
Wₜ ∼ BM(Σₜ)dƒ(Sₜ,t) = (∂ₜƒ + μSₜ∂ₛƒ + ½σ²Sₜ²∂ₛₛƒ)dt + σSₜ∂ₛƒdWₜDerive the pricing PDE→Recommended sequence
Intermediate
Why Brownian motion underprices tail risk, and how Lévy processes fix it.
Open courseIntermediate
Self-exciting events, volatility clustering, and order-book dynamics.
Open courseIntermediate
The Heston model and the Girsanov change of measure behind modern pricing.
Open courseBeginner → Intermediate
The math a working quant actually uses — probability, differential equations, stochastic calculus, the Black–Scholes model, and numerical methods — built from the ground up with full derivations, worked examples, and graded problems.
Open courseBeginner → Intermediate
The other half of quant math — vectors, matrices, eigenvalues, SVD, PCA, least-squares regression, and convex optimization — built to where you can extract PCA factors and solve a Markowitz portfolio by hand.
Open courseFoundational
The calculus a quant uses every day — limits, derivatives, Taylor series, integration, multivariable gradients and Lagrange multipliers, and vector calculus — built with full derivations and worked examples.
Open courseAdvanced
The rigorous foundation under calculus and probability — completeness, sequences and series, topology and continuity, Riemann and Lebesgue integration, and an introduction to functional analysis (Banach/Hilbert/L^p).
Open courseAdvanced
Probability made rigorous — sigma-algebras and measures, random variables as measurable maps, expectation as a Lebesgue integral, conditional expectation as an L^2 projection, and the limit theorems (LLN, CLT, extreme value) that underpin risk.
Open courseAdvanced
The frontier of derivatives valuation — backward SDEs and nonlinear Feynman–Kac, counterparty credit risk, the full XVA stack (CVA/DVA/FVA/KVA), and the Monte-Carlo and deep-BSDE methods that price them.
Open courseIntermediate → Advanced
The implementation half of quant work — modern C++, numerically-sound pricers, and the high-performance computing (cache, SIMD, threads, GPU) that production pricing engines run on.
Open courseFeatured course / Intermediate
Reviews to simulation to DTMC/MRP/DP/MDP, with an interactive lab closing every chapter.
Curriculum map
Every stage names its mathematical dependency and its production destination.
Open the full prerequisite tree →The equation, implementation, experiment, and review remain connected—so a shortcut never loses its assumptions.
State the dynamics, measure, boundary conditions, and every modeling assumption.
∂V/∂t + ½vS²Vₛₛ + ρξvSVₛᵥ + ½ξ²vVᵥᵥRead the model →Translate the operator into a stable scheme and make numerical error observable.
step_x(i, j, &p, dt); // ADI sweepStudy the implementation →Compare the model with market behavior, then stress parameters and assumptions.
model − market · p95 error · stabilityRun the reasoning →Keep results, feedback, and the next prerequisite attached to the work.
model → test → evidence → feedbackSee what follows →The math a working quant actually uses — probability, differential equations, stochastic calculus, the Black–Scholes model, and numerical methods — built from the ground up with full derivations, worked examples, and graded problems.
Start the foundation →Probability
Stochastic processes
Stochastic calculus
PDE & numerics
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