by Suf | Feb 5, 2022 | Programming, Python, Tips
The transpose of a matrix is a flipped version of the original matrix. We can transpose a matrix by switching its rows with its columns. We widely use the transpose of the matrix in linear algebra, physics, and computer science. This tutorial will go through how to...
by Suf | Feb 5, 2022 | Programming, Python, Tips
In Python, libraries can have updates that result in changes to the names of modules, classes, and functions. If you are using Scikit-Learn and attempt to import the cross-validation module you will raise the error: ModuleNotFoundError: No module named...
by Suf | Feb 4, 2022 | Programming, Python, Tips
If you try to evaluate a numpy array in the Boolean context, you will raise the error: Python ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all(). To solve this error, you can use the built-in any() and all()...
by Suf | Feb 4, 2022 | Programming, Python, Tips
Matrix multiplication is a binary operation that produces a matrix from two matrices. Multiplying matrices is ubiquitous in mathematics, physics and computer science. You can perform matrix multiplication in Python using nested loops, list comprehension or the dot()...
by Suf | Feb 2, 2022 | Programming, Python, Tips
If you pass an empty list to the bool() function, it will return False. An empty list in an if statement will also return False. If you pass an empty list to the len() function, it will return 0. In this tutorial, we will go through several methods to check if a list...
