You can concatenate two arrays in NumPy with the following code. If you want to learn Python, I highly recommend reading This Book. Example 1 In this example, I will concatenate two arrays row-wise. Output: [[ 5 10] [ 15 20] [100 200]] Example 2 In this example, I will concatenate two arrays column-wise. Output: [[ 5 …
You can easily access columns in the NumPy array with the following code. If you want to learn Python, I highly recommend reading This Book. Method 1: Using Slices In this method, I will use slices to access single, and multiple columns. The index starts from 0. Example 1: Access single column [4 8 6] Example 2: …
The following code can find the unique rows in the NumPy array. If you want to learn Python, I highly recommend reading This Book. In this example, there are 5 rows in the array. 2nd and 3rd rows are duplicates of the 1st row. It will be removed from the array when we find unique rows. Output: …
The example given below will help you to understand the meaning of NumPy reshape -1. If you want to learn Python, I highly recommend reading This Book. Output: [[1 2 3] [4 5 6]] [1 2 3 4 5 6] [[1] [2] [3] [4] [5] [6]] [[1 2] [3 4] [5 6]] People are also reading: Best …
You can check the shape of the NumPy array with the following code. If you want to learn Python, I highly recommend reading This Book. Example 1 Output: (2, 3) Example 2 Output: (1, 2) Example 3 Output: (3,) Example 4 Output: (3, 4) Example 5 Output: (1, 3, 4) People are also reading: Best Python Books …
You can get the dimension of the NumPy array with the following code. If you want to learn Python, I highly recommend reading This Book. Example 1 Output: 1 Example 2 Output: 0 Example 3 Output: 2 Example 4 Output: 3 Example 5 Output: 4 People are also reading: Best Python Books What is Computer Vision? Examples, …
You can convert Pandas DataFrame to NumPy array with the following methods. If you want to learn Python, I highly recommend reading This Book. Method 1 In method 1, I will use the df.to_numpy() method for conversion. Output: column1 column2 column3 row1 5 25 70 row2 10 30 80 row3 15 35 90 [[ 5 25 70] …
You can get indices of n maximum values in a NumPy array with the following code. If you want to learn Python, I highly recommend reading This Book. Example In this example, I will get indices of 4 maximum values of a NumPy array. Output: [0 3 4 2] People are also reading: Best Python Books What …
How to get indices of n maximum values in a NumPy array Read More »
You can write NumPy array to CSV file with the following code. If you want to learn Python, I highly recommend reading This Book. Method 1 Output: Method 2 Output: People are also reading: Best Python Books What is Computer Vision? Examples, Applications, Techniques Books for Machine Learning (ML) Free Learning Resources
You can calculate Euclidean distance in Python using NumPy with the following code. If you want to learn Python, I highly recommend reading This Book. Method 1 1.4142135623730951 Method 2 1.4142135623730951 Method 3 1.4142135623730951 People are also reading: Best Python Books What is Computer Vision? Examples, Applications, Techniques Books for Machine Learning (ML) Free Learning Resources
