Скачать или смотреть Converting Python repeat to Matlab

Learn how to convert Python's `repeat` functionality to Matlab using examples and detailed explanations. Understand how to shape your matrices effectively!
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This video is based on the question https://stackoverflow.com/q/70856249/ asked by the user 'naizz' ( https://stackoverflow.com/u/17958304/ ) and on the answer https://stackoverflow.com/a/70856633/ provided by the user 'Ben Grossmann' ( https://stackoverflow.com/u/2476977/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Converting Python repeat Code to Matlab: A Step-by-Step Guide

When transitioning from Python to Matlab, developers often encounter challenges due to differences in syntax and built-in functions. One such confusion arises when converting the repeat functionality from Python into Matlab. In this post, we'll explore how to effectively translate the Python code that uses repeat into a Matlab equivalent, as well as how to reshape matrices to achieve similar outcomes.

Understanding the Python Code

Let's start by looking at the original Python code in question:

[[See Video to Reveal this Text or Code Snippet]]

In this code:

LL is a 10x10 matrix.

K.size is 64, which indicates that LL is being repeated 64 times.

The final output is then reshaped into a three-dimensional array with dimensions (-1, 8, 8).

The challenge here is finding the equivalent functionality in Matlab.

Translating the Code to Matlab

To convert the functionality correctly, we will break down the code into manageable sections. Here’s how you can achieve the same results in Matlab:

Step 1: Specify Parameters and Create Matrix

First, let's set up our parameters just like the original Python code:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Repeat the Matrix and Reshape

Next, we need to multiply LL by 2 and create a similar repeat functionality using repmat. Here’s how you can do that:

[[See Video to Reveal this Text or Code Snippet]]

Alternative: Creating a Repeat Function

If you often need the repeat functionality in Matlab, consider creating a custom function. Here’s an example of how such a function might look:

[[See Video to Reveal this Text or Code Snippet]]

Summary

The conversion from Python's repeat and reshaping functions to Matlab is not only straightforward but can be achieved by using repmat along with reshaping techniques. Here’s a quick recap of the steps:

Specify the original matrix and parameters

Use repmat for repetition of the matrix

Reshape using reshape to fit the desired dimensions

By understanding these steps, you can smoothly transition your code between Python and Matlab.

With these tools at your disposal, you can overcome any matrix-related challenges between the two programming environments. Happy coding!