Invert(<Matrix>) Won't Take a Matrix

NetherGranite shared this question 2 years ago
Needs Answer

I have a Matrix T defined by T={{1,2},{3,4}}. Attempting to write Invert(T) gives me an error, saying that T is a List. What should I do?

Comments (4)

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Ok, I see it now.

The command works fine in v.5 and v.6 Classic, but it doesn't work in Graphing Calculator app.

Let's see what the Devs say :)

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https://help.geogebra.org/t...

NOTE: I am not a dev

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Hi Mathmagic,

I've looped this post to the Devs because the error message in the Graphing Calculator app is not "Unknown command", but it just doesn't recognize the matrix as such. I think that it's different :) from symbolic commands that have been taken away from the Graphing Calculator because of exam compatibility (unless the inversion of matrices is meant as a CAS command)

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I suppose so because the behaviour of invert is similar to integral

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