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How do I make greek letters appear as symbols and use them as variables?

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TheSaint
TheSaint 2024-2-2
回答： Walter Roberson 2024-2-2
'\lambda' = arctan(y/x)
This is my current code. How do I make lambda appear as a symbol, and then set it as a variable? Thanks.

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Walter Roberson
Walter Roberson 2024-2-2
Ran in:
You cannot do that.
If you use the Symbolic Toolbox, and you are using LiveScript (or MATLAB Online, or MATLAB Answers), and you use a unbound symbolic variable named after a greek letter, then in output the symbol will be rendered.
syms alpha beta lambda
lambda = atan2(beta,alpha)
lambda = 
But it only works for unbound variables; variables that have been bound to a value get replaced by the value
1 + lambda
ans = 

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