By Andrew Ng 1. Logistic Regression 1.1 Visualizing Data Part └ plotData function 1.2 Advanced Optimization Part └ mapFeature function └ costFunctionReg function └ fminunc function 1.3 Decision Boundary and Prediction Part └ plotDecisionBoundary function └ predict function 1. Logistic Regression We'll implement regularized logistic regression to predict whether microchips from a fabrication plant passes quality assurance (QA). During QA, each microchip goes through various tests to ensure it is functioning correctly. Suppose you're the product manager of factory and you have the test results for some microchips on two different tests. From...