Vectorization February 18, 2017 Gradient Descent hypothesis index matrix octave vectorization vectorized implementation +
Octave - Plot, Control Statements February 16, 2017 addpath axis clf close control statement dpng figure function hold on imagesc label legend loop octave plot plotting data subplot title +
Octave Cheatsheet February 16, 2017 ascii clear command concatenate element-wise eye help hist length load logical octave ones prompt pwd save semicolon size whos zeros +
Normal Equation February 13, 2017 inverse linearly dependent noninvertibility Normal Equation octave partial derivative redundant features regularization too many features transpose +
Unsupervised Learning February 06, 2017 category cocktail party problem dataset group octave structure in data set unsupervised learning +