Hi, I am a newbie in Julia, using version 1.1.1. MethodError: no method matching -(::Int64, ::Array{Float64,1}) What is wrong with the following code? x1 = collect(0:0.1:2) x2a = 1-0.5x1 x2b = ifelse(2-2x1.>=0,2-2*x1,0) Thanks!

MethodError: no method matching -(::Int64, ::Array{Float64,1})

aaron June 28, 2019, 1:57pm 3

Thank you!

TypeError: non-boolean (BitArray{1}) used in boolean context

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