Find the inverse element of a given module

asked 2020-09-26 11:11:47 -0600

updated 2020-09-27 06:59:30 -0600

slelievre gravatar image

How can I find the inverse element of a given module in SageMath?

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Repeating 3 times the same question does not help us to understand what you mean. What is a module ? Give us an example.

FrédéricC gravatar imageFrédéricC ( 2020-09-27 04:03:07 -0600 )edit

Sorry it's my fault, the question was posted twice and I tried Askbot's "merge" button.

slelievre gravatar imageslelievre ( 2020-09-27 06:59:02 -0600 )edit

@shohruh0905 please add some context, example, explanation, link...

What is meant here by a "module", what does it mean to find its "inverse element"?

Many things are called "module" or "modulus" in mathematics, so it's hard to guess.

What branch of mathematics does this belong to?

Or is it from an applied domain? Electricity? Mechanics? Materials science?

Is it some computation that you know how to do by hand, but wonder how to do with Sage?

Can you provide an example of a simple case? Is there a more complicated case you are stuck with?

If you already defined some objects in Sage, please include the code to define them.

Having a starting point is a great help for anyone who tries to answer a question.

slelievre gravatar imageslelievre ( 2020-09-27 07:05:13 -0600 )edit
slelievre gravatar imageslelievre ( 2020-09-29 14:39:44 -0600 )edit