The Numpy Library

Top 5 Python Freelancer Jobs to Earn $51 per Hour on Upwork or Fiverr

Python freelancers earn $51 per hour on average. But how do they do it? In the following video I show you the top five trending gigs for Python freelancers: In summary, these are the most trending jobs how Python freelancers earn money in 2020: Create educational content:. You can write blog articles for blog owners, …

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NumPy polymulx()

The numpy.polymulx function multiplies the polynomial c with a value x which is the independent variable. Arguments Type Description c array_like or poly1d object The input polynomials to be multiplied The following table shows the return value of the function: Type Description Return Value ndarray or poly1d object The polynomial resulting from the multiplication of …

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numpy.polymul

The numpy.polymul function finds the product (multiplication) of two polynomials a1 and a2. As an input, use either poly1d objects or one-dimensional sequences of polynomial coefficients. If you use the latter, arange this polynomial sequence naturally from highest to lowest degree. Arguments Type Description a1, a2 array_like or poly1d object The input polynomials to be …

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numpy.char.capitalize

Original Documentation Return a copy of a with only the first character of each element capitalized. Calls str.capitalize element-wise. For 8-bit strings, this method is locale-dependent. Parameters: a: array_like of str or unicode: Input array of strings to capitalize. Returns: out: ndarray: Output array of str or unicode, depending on input types See also str.capitalize …

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How to Get a List Slice with Arbitrary Indices in Python?

To extract elements with specific indices from a Python list, use slicing list[start:stop:step]. If you cannot use slicing because there’s no pattern in the indices you want to access, use the list comprehension statement [lst[i] for i in indices], assuming your indices are stored in the variable indices. People always want to know the most …

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How to Convert a List to a NumPy Array?

To convert a Python list to a NumPy array, use either of the following two methods: The np.array() function that takes an iterable and returns a NumPy array creating a new data structure in memory. The np.asarray() function that takes an iterable as argument and converts it to the array. The difference to np.array() is …

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[Collection] 10 Best NumPy Cheat Sheets Every Python Coder Must Own

Little time to learn NumPy? This article shows you the ten most amazing NumPy cheat sheets. Download them, print them, and pin them to your wall — and watch your data science skills grow! 🐱‍🏍 All NumPy cheat sheets in this article are 100% free. All links open in a new tab (so feel free …

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The Ultimate Guide to NumPy Cumsum in Python

Definition np.cumsum(x): The function computes the cumulative sum of a NumPy array. For an array x with elements [a b c d] the cumulative sum is [a a+b a+b+c a+b+c+d]. Formally, each array element with index i is the sum of all elements with index j<i. numpy.cumsum(a, axis=None, dtype=None, out=None) Arguments: a — Array-like data …

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[NumPy vs Python] What are Advantages of NumPy Arrays over Regular Python Lists?

The Python built-in list data type is powerful. However, the NumPy array has many advantages over Python lists. What are they? Advantages NumPy Advantages Python Lists Multi-dimensional Slicing Library-Independent Broadcasting Functionality Intuitive Processing Speed Less Complicated Memory Footprint Heterogeneous List Data Allowed Many Convenience Methods Arbitrary Data Shape (Non-Square Matrix) Let’s dive into the most …

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Matplotlib Animation – A Helpful Illustrated Guide

Creating animations in matplotlib is reasonably straightforward. However, it can be tricky when starting, and there is no consensus for the best way to create them. In this article, I show you a few methods you can use to make amazing animations in matplotlib. Matplotlib Animation Example The hardest thing about creating animations in matplotlib …

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