NumPy loadtxt: Read Text Files into Arrays
Use NumPy loadtxt to read simple text files into arrays, with examples for delimiters, dtypes, skipped rows, selected columns, and converters.
Numpy
Learn NumPy with array operations, random sampling, math functions, shapes, dtypes, plotting examples, and fixes for common NumPy errors.
NumPy log(): Natural, Base-10, and Base-2 Logarithms
Learn how to use NumPy log(), log10(), log2(), log1p(), and where masks for safe element-wise logarithms in Python arrays.
NumPy ogrid: Open Grids, Broadcasting, and Masks
Learn NumPy ogrid with open grids, slice syntax, broadcasting, masks, mgrid differences, and practical array examples in Python.
NumPy insert: Add Values to Arrays
Learn how NumPy insert adds values before an index along a chosen axis, with syntax, parameters, and examples for array insertion.
NumPy eye: Create Identity-Like Arrays
Use NumPy eye to create 2D arrays with ones on a chosen diagonal and zeros elsewhere, including k offsets, shape arguments, and examples.
NumPy diff: Calculate Discrete Differences
Learn how NumPy diff calculates first and higher-order discrete differences along an axis, with syntax, parameters, and array examples.
NumPy hstack: Stack Arrays Horizontally
Learn how NumPy hstack stacks arrays horizontally by columns, with syntax, shape rules, and examples for combining 1D and 2D arrays.
NumPy vstack: Stack Arrays Vertically
Learn how NumPy vstack stacks arrays vertically by rows, with syntax, shape requirements, and examples for joining 1D and 2D arrays.
NumPy tile: Repeat Arrays in Python
Use NumPy tile to repeat arrays or matrices along chosen dimensions, with syntax, repeat patterns, and examples for 1D and 2D inputs.
NumPy squeeze: Remove Singleton Axes
Learn how NumPy squeeze removes axes of length 1 from arrays, with axis-specific examples, shape changes, and common use cases.