Numpy

Normalize a NumPy array to a unit vector in Python

In this article, we will learn how to normalize a NumPy array to a unit vector. Table Of Contents What is Normalization? What is a Unit vector? Method 1: Using unit_vector() method from transformations library Method 2: Using normalize() method from vg module. Method 3: Using linalg.norm() method from numpy module Method 4: Calculating norm …

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Get indices of N maximum values in a NumPy array in Python

In this article, we will learn how to get indices of N maximum values in a NumPy array. Table Of Contents Introduction Method 1: Using argpartition() function Method 2: Using argsort() function. Method 3: Using nlargest() of heapq module. Method 4. Iterating and finding indices of n maximum values Summary Introduction Suppose we have a …

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Print NumPy Array without scientific notation in Python

In this article, we will learn how to print a numpy.array without scientific notation. Table Of Contents What is scientific notation? 1. Using set_printoptions() function and supress argument. 2. Using printoptions() function and supress argument. 3. Using set_printoptions() function and formatter argument. 4. Using array2string() function and suppress_small argument. Summary What is scientific notation? Scientific …

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Matrix Vector multiplication using NumPy in Python

In this article, we will learn matrix-vector multiplication using NumPy. Table Of Contents What is a matrix in numpy and how to create it? Perform matrix-vector multiplication using numpy with dot() Perform matrix-vector multiplication using numpy with matmul() method. Perform matrix-vector multiplication using @ operator. Summary What is a matrix in numpy and how to …

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