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{ | ||
"version": "0.2", | ||
"files": [ | ||
"**/*.{md,txt}" | ||
"**/*.{md,txt,jl}" | ||
], | ||
"dictionaries": [ | ||
"julia" | ||
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# From https://juliabyexample.helpmanual.io/#Simple-Functions | ||
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# function to calculate the volume of a sphere | ||
function sphere_vol(r) | ||
# julia allows Unicode names (in UTF-8 encoding) | ||
# so either "pi" or the symbol π can be used | ||
return 4/3*pi*r^3 | ||
end | ||
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# functions can also be defined more succinctly | ||
quadratic(a, sqr_term, b) = (-b + sqr_term) / 2a | ||
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# calculates x for 0 = a*x^2+b*x+c, arguments types can be defined in function definitions | ||
function quadratic2(a::Float64, b::Float64, c::Float64) | ||
# unlike other languages 2a is equivalent to 2*a | ||
# a^2 is used instead of a**2 or pow(a,2) | ||
sqr_term = sqrt(b^2-4a*c) | ||
r1 = quadratic(a, sqr_term, b) | ||
r2 = quadratic(a, -sqr_term, b) | ||
# multiple values can be returned from a function using tuples | ||
# if the return keyword is omitted, the last term is returned | ||
r1, r2 | ||
end | ||
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vol = sphere_vol(3) | ||
# @printf allows number formatting but does not automatically append the \n to statements, see below | ||
using Printf | ||
@printf "volume = %0.3f\n" vol | ||
#> volume = 113.097 | ||
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quad1, quad2 = quadratic2(2.0, -2.0, -12.0) | ||
println("result 1: ", quad1) | ||
#> result 1: 3.0 | ||
println("result 2: ", quad2) | ||
#> result 2: -2.0 |