Convert array of indices to one-hot encoded array in NumPy Transforming Indices into One Hot Representations with Num Py Converting an array of indices into a one hot encoded array is a common task in machine learning a 2 min read 07-10-2024 9
Why does this error when converting a python list of lists to a Numpy array only occur in specific circumstances? Understanding Numpy Array Conversion Errors A Guide to Python Lists of Lists When working with data in Python you might encounter errors when converting a list 2 min read 29-09-2024 5
Shapes (4,1) and (2,1) not aligned: 1 (dim 1) != 2 (dim 0) Understanding the Error Shapes 4 1 and 2 1 Not Aligned When working with arrays or tensors in libraries like Num Py or Tensor Flow you may encounter an error me 3 min read 29-09-2024 10
Pretty-print indices/coordinates of 2D Numpy array Pretty Print Indices Coordinates of 2 D Numpy Array When working with 2 D Numpy arrays especially in data analysis or scientific computing its often useful to v 2 min read 28-09-2024 11
Awkward Array broadcasting and linear indexing, reshaping an Awkward Array Understanding Awkward Array Broadcasting and Linear Indexing Reshaping Awkward Arrays Awkward Arrays offer a powerful way to handle irregularly shaped data in P 3 min read 28-09-2024 10
CFS thredds data don't work in xarray lib Troubleshooting CFS Thredds Data Issues in Xarray When working with climate data especially from models like the Climate Forecast System CFS users often encount 2 min read 25-09-2024 15
Why is numpy shuffle not working in a loop? Understanding Why Num Py Shuffle May Not Work in a Loop When working with Num Py a powerful numerical computing library in Python you may encounter scenarios wh 2 min read 24-09-2024 22
TypeError: unhashable type: 'numpy.ndarray' in array to set Understanding Type Error Unhashable Type numpy ndarray When Converting an Array to a Set When working with Python you may occasionally encounter errors that hin 2 min read 24-09-2024 29
NumPy array size and performance differences for int8 vs bool dtype Understanding Num Py Array Size and Performance Differences int8 vs bool Dtypes Num Py is a powerful library in Python that allows for efficient numerical compu 3 min read 22-09-2024 17
Simplest equivalent implementation of numpy.ma.notmasked_edges() for use in JAX Simplest Equivalent Implementation of numpy ma notmasked edges for Use in JAX The numpy ma notmasked edges function is a useful utility for finding the indices 2 min read 20-09-2024 18
Numpy array slicing with a comma Understanding Num Py Array Slicing with Commas Num Py is a powerful library in Python that provides support for large multidimensional arrays and matrices along 3 min read 19-09-2024 17
np.ones(30011,30011) needs 7.2GB, but Task Manager shows 5.3GB Understanding Memory Allocation in Num Py Why np ones 30011 30011 Needs 7 2 GB but Task Manager Shows 5 3 GB When working with large datasets in Python especial 3 min read 19-09-2024 15
Numba njit making function call involving long expressions extremely slow Understanding Numbas njit and Function Calls with Long Expressions In the realm of Python programming particularly in numerical computations performance is para 2 min read 18-09-2024 22
Optimal multiplication of two 3D arrays having a variable dimension Optimal Multiplication of Two 3 D Arrays with Variable Dimensions In todays data driven world efficiently multiplying arrays is crucial for a variety of applica 3 min read 17-09-2024 12
What is the purpose of meshgrid in NumPy? Unraveling the Mystery of Num Pys meshgrid Creating Coordinate Grids for Visualizations and More In the realm of data science and numerical computing Num Py is 2 min read 06-09-2024 22
Numpy parse to ndarray from string Converting Stringified Num Py Arrays Back to ndarrays A Practical Guide Working with data transmission often involves sending Num Py arrays between server and c 3 min read 05-09-2024 16
What is the cleanest way to perform nested conversion of numpy types to python (JSON friendly) types? Cleaning Up Your Numpy Data A Guide to JSON Friendly Conversions When working with scientific computing libraries like Num Py you often encounter situations whe 2 min read 04-09-2024 15
Conditionally changing elements of a numpy array using for loop Conditionally Changing Elements in a Num Py Array A Comprehensive Guide Working with Num Py arrays often involves manipulating their elements based on specific 2 min read 02-09-2024 23
Extracting the values of Fipy diffusion and convection terms Extracting Diffusion and Convection Term Values in Fi Py A Practical Guide Fi Py is a powerful Python based library for solving partial differential equations P 2 min read 01-09-2024 19
Place pixels on a grid Placing Pixels on a Grid A Python Guide with Num Py Imagine you want to create a grid of small blocks or shapes You could achieve this with a combination of Num 2 min read 31-08-2024 17
ndarray a obtained from b.diagonal() has its value changed after the b modification Understanding the Behavior of Num Pys diagonal Method A Deep Dive When working with Num Py arrays the behavior of the diagonal method can sometimes be surprisin 2 min read 31-08-2024 12
Why reshape is needed for Sequential models after minmaxscaler class? and how to use? Reshaping Your Data Why Its Crucial After Min Max Scaler in Sequential Models When working with Sequential models in machine learning especially in scenarios li 3 min read 31-08-2024 20
Storing numpy arrays in PostgreSQL: BYTEA vs. ARRAY for large integer arrays Numpy Arrays in Postgre SQL BYTEA vs ARRAY for Large Integer Arrays Storing large multi dimensional arrays in Postgre SQL often presents a challenge particularl 3 min read 30-08-2024 16
Return ndarray in nanobind with owned memory Returning ndarray in nanobind with Owned Memory This article explores different approaches to returning a ndarray from C to Python using nanobind focusing on th 3 min read 27-08-2024 19