Problem sheet

Create an Array and Inspect It

ndarray · dtype · shape

Vectorised Arithmetic and ufuncs

vectorisation · ufuncs · elementwise

Slicing a Sub-grid

slicing · views · copies

Boolean Masks

boolean-indexing · masks · np.where

Aggregations Along Axes

aggregation · axis · argmax

Matrix Products with @

matmul · matrix-multiplication · shapes

Centering Columns with Broadcasting

broadcasting · standardization · shapes

Reshape and Stack

reshape · stack · concatenate

Fancy Indexing and Gather

fancy-indexing · argsort · gather

Seeded Random Generators

random · reproducibility · synthetic-data

Vectorized Pairwise Distances

distances · broadcasting · vectorisation

Solve Linear Systems Safely

linear-algebra · conditioning · least-squares

One-Hot Encoding

one-hot · encoding · labels

Moving Average with cumsum

cumsum · convolution · sliding-window

Photo Filters with NumPy

Project idea · images · arrays · broadcasting