Will Yuan's Blog

Install the CPLEX Library

Install the CPLEX library in Python:

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pip install cplex

Example

itertools.combinations

Generates all possible combinations of elements of a specified length:

$$C(5,2)$$

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import itertools

str = ['A', 'B', 'C', 'D', 'E']
# Compute combinations of length 2 without replacement
combinations_result = list(itertools.combinations(str, 2))
print(combinations_result)

The output is as follows:

Installation and Import of OpenCV in Python

Execute the following pip command to complete the installation of the OpenCV library:

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pip install opencv-python

After the installation is complete, import the cv2 module:

Install NexT Theme

First, you need to install the NexT theme, you can enter the following code:

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npm install hexo-theme-next

Install Node.js and Git

First, you'll need to install Node.js and Git, download and install the Node.js from [here](Node.js — Run JavaScript Everywhere (nodejs.org)).

You can check if the Node.js and Git installation are successful by typing these:

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git version
node -v
npm -v