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Question: Numerical bug in Maple 2023 when increasing Digits?

Question:Numerical bug in Maple 2023 when increasing Digits?

fnavarro 30 Maple 2023
plot accuracy plotting adaptive
January 17 2024
3

Hello! We are using Maple to evaluate numerically expressions with very high precision and we are finding very strange results. After some playing with simple models we have come to conclusion that there might be a bug in Maple 2023. Here is a clean example of what we are experiencing. Plotting the function x*exp(-x) in [0,20]. Clearly the function cannot be negative in that interval! However, if Digits is set to 40 the results may be whatever. Any ideas? Thank you very much. 
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