powered by
Substitute symbol for value
subs(s, x, v)
Expression
Name of symbol (character)
Value for x
x
# NOT RUN { if (have_sympy()) { x <- symbol('x') e <- 2*x^2 e subs(e, "x", "2") y <- as_symbol("2") subs(e, "x", y) } # }
Run the code above in your browser using DataLab