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Mathematics · self-study course

Advanced mathematical methods

Study complex analysis, residues, Fourier series, PDE boundary conditions and convexity through focused lessons.

5 lessons40 quiz questionsAdvanced university

Your learning path

  1. 01

    Holomorphic functions and Cauchy-Riemann equations

    A derivative must have the same limit along every complex direction.

    Advanced university · Notes · 8 questions
  2. 02

    Poles, residues and contour integrals

    The coefficient of (z−a)^(−1) in the Laurent expansion is the residue.

    Advanced university · Notes · 8 questions
  3. 03

    Fourier coefficients and convergence

    On [−π,π], distinct integer sine or cosine modes are orthogonal under integration.

    Advanced university · Notes · 8 questions
  4. 04

    PDE modes, boundaries and initial data

    A sine mode for u_t=κu_xx decays as exp(−κk²t).

    Advanced university · Notes · 8 questions
  5. 05

    Convexity and constrained optimization

    Values on a line segment lie below the corresponding chord of function values.

    Advanced university · Notes · 8 questions