[Tex/LaTex] How to display Unicode characters with minted


I use a minimal code example with Julia





# Polynomial Features ϕ = [1,x,x²,x³,...,xⁿ]' of Degree n
ϕ(x,n) = (x' .^ collect(range(0, stop=n, length=(n+1))))';

function polynomial_regression(x,y,xq,n)   
   𝚽  = ϕ(x,n); # Training data

   # Linear Regression 
   θ = inv(𝚽'*𝚽)*𝚽'*y;  

   # Predict Query Data
   yp = ϕ(xq,n)*θ;


I get a

./Example-minimal.out.pyg:2: Package inputenc Error:    Unicode character Ï (U+3D5)
(inputenc)                not set up for use with LaTeX.

See the inputenc package documentation for explanation.
Type  H <return>  for immediate help.

l.2 ...1,x,x²,x³,...,xâ¿]\PYGZsq{} of Degree n}

Best Answer

The best solution that I could determine was manually defining all missing characters by


until it shows no more errors. If anyone knows a more elegant approach, please add it!