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Contents
# encoding: utf-8
# A mixin for collections of Ts transitions.
#
class YPetri::Simulation::Transitions
module Type_Ts
include Type_T
include Type_s
# Member gradient closures.
#
def gradient_closures
map &:gradient_closure
end
# Gradient contribution for free places.
#
def gradient
gradient_closure.call
end
# Gradient contribution to all places.
#
def ∇
f2a * gradient
end
alias gradient_all ∇
# Constructs a gradient closure that outputs a gradient vector corresponding
# to free places. The vector is the gradient contribution of the transitions
# in this collection.
#
def to_gradient_closure
fp = free_places #.tap { |fp| puts; print "fp: "; Kernel::p fp }
closures = gradient_closures #.tap { |cl| puts; print "closures: "; Kernel::p cl }
sMV = simulation.MarkingVector
stu = simulation.time_unit
zero = ( sMV.zero( fp ) / stu ) #.tap { |z| puts; print "zero mv: "; Kernel::p z }
code_sections = map.with_index do |t, i|
"a = closures[ #{i} ].call\n" +
t.increment_by_codomain_code( vector: "g", source: "a" )
end
body = code_sections.join( "\n" )
λ = <<-LAMBDA
-> do
g = zero
#{body}
return g
end
LAMBDA
eval λ #.tap { |l| puts; puts "eval code: "; puts l }
end
alias gradient_closure to_gradient_closure
end # module Type_Ts
end # class YPetri::Simulation::Transitions
Version data entries
17 entries across 17 versions & 1 rubygems