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You use the num parameter as a positional argument, without explicitly mentioning its name in the function call. In the example above, you create a linear space with 25 values between -10 and 10. You can do so with the optional parameter num: In most cases, you’ll want to set your own number of values in the array. The array in the example above is of length 50, which is the default number. You’ll see later on that this is usually what you want when using this function. This break with convention isn’t an oversight.

This is contrary to what you might expect from Python, in which the end of a range usually isn’t included. The function returns a closed range, one that includes the endpoint, by default. Note that the value 10 is included in the output array. This is a vector space, also called a linear space, which is where the name linspace comes from.

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This code returns an ndarray with equally spaced intervals between the start and stop values. Then you’ll take a closer look at all the ways of using np.linspace() and how you can use it effectively in your programs. You’ll start by learning about various ways of creating a range of numbers in Python. This tutorial assumes you’re already familiar with the basics of NumPy and the ndarray data type.

Represent mathematical functions in discrete form.

Create arrays with two or more dimensions.

Use the required and optional input parameters.

Decide when to use np.linspace() instead of alternative tools.

Create an evenly or non-evenly spaced range of numbers.

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In this tutorial, you’ll find out how to use this function effectively. However, it’s an essential part of the numerical programming toolkit. In its basic form, np.linspace() can seem relatively straightforward to use. One of the key tools you can use in both situations is np.linspace(). In many cases you want the numbers to be evenly spaced, but there are also times when you may need non-evenly spaced numbers. When you’re working with numerical applications using NumPy, you often need to create an array of numbers.

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