What is causing this undefined variable Error message

[eldee]

Hi,

Currently the code you posted is not properly formatted, making it hard to read. Please edit it, cf. instructions here:

PSA: how to quote code with backticks

This is a short post on how to use backticks (` and ```) to quote code, so it is easy to read. This post can be linked to new users who are confused by this feature. Why By quoting your code, you get a monospaced font (which preserves indentation) and syntax highlighting. This makes it easier to read your code and help you. Displayed code looks like this: function displayed_code(x::Int, y::Int) if x < y println("x is smaller") else println("or not") end end Inline…

Additionally, it would also help if you would post the full error message, and reduce the code as much as possible to obtain a minimal working example (resulting in the same error). Check out

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