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3 free cheat sheets for focused revision.

Revise selected BITS WILP M.Tech AI-ML topics with concise explanations, essential formulas and worked steps. The sheets open on this site; no email delivery or printable PDF is included.

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What you'll get

Cheat sheet · 5 pages

M1 Linear Systems Survival Guide

Revise row operations, solution types and matrix inverses with worked steps.

  • All 3 cases (unique / no solution / infinitely many) on one page
  • A step-by-step approach to row reduction
  • Course-aligned revision examples with worked solutions

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Cheat sheet · 6 pages

Vector Calculus Essentials (M4)

Gradient, Jacobian, Hessian — what each one means and when you'll see it on the exam.

  • The gradient in plain English (it's a compass arrow)
  • Backpropagation in 4 lines of math (the chain rule in matrix form)
  • Hessian eigenvalue trick for critical-point classification

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Cheat sheet · 4 pages

The Kernel Trick — Visually

Why SVMs with RBF kernels work without ever computing the feature map. With diagrams.

  • 1D data → 2D parabola lift with a single diagram
  • Why the kernel function is a shortcut, not magic
  • The BITS-style question that tests this

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Why we built these

Less searching. A clearer next study step.

Start with the key idea, review the steps, then try a related question. These sheets help you revise selected course topics; they do not predict questions or guarantee marks.

Midsem is closed book and the final is open book, as confirmed for this batch. Follow your instructor's rules on permitted materials.

If you find them useful, the paid field guide has the rest of the syllabus in the same style: visual, cited, and exam-aligned.