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Trial and error
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Ross indexed the following pages under the keyword: "Trial and error".

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Field (of substitution)
Memory as break
Trial and error optimal method
0895 0896

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Transformation random transformation
Summary: Fully developed form of the 'mechanical brain'; design for a chess-playing 'machine'.4563
Organisation frequency of trials
Trial and error internal between trials
Natural Selection [17]: Mutation rate must not be too high, 3530.
Natural Selection [20]: Developing a super-chess playing system, 3530.
3529 3530

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Adaptation speeding up adaptation
Speed (of adaptation) of learning
Adaptation speeding up adaptation
Model speed of
Play speed of
Speed (of adaptation) of learning
Trial and error speed of
4250 4251

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Summary: Note on Darwinism.
Summary: 'Experiment' = 'competition'. 4384
Competition equals trials
Design for a Brain British Medical Journal review
Experiment = competition
Trial and error equals competition
Society [49]: Trial = competition = experiment, 4380.
Personal notes [20]: Reviews of "Design": 4258 Observer, 4309 Citizen, 4380 British Medical Journal, 4423 Journal of Consulting Psychology, 4423 McCulloch, 4446. Hibbert Journal, 4595 Galaxy, 4595 Scientific American, 4643 Occupational Psychology.
4380 4381
Trial and error sub-trials
The Multistable System [79]: Trials within trials are an important advanced method 4546.
Summary: Trials within trials, or the admission of variation into sub-units of an ultrastable system.
Society [53]: Trials may [be] conducted as details within larger trial only if functionally disconnected while they are going on. 4547.
4546 4547
Adaptation strategy of
Estimation and adaptation
Maximal likelihood and adaptation
Trial and error optimal method
4650 4651
Trial and error number of trials necessary
Summary: Regulation in the homeostat's second order feedback. 4695, 4701, 4709
4686 4687
Question variety in
Selection and variety
Trial and error variety in
Variety in set v. in element
4692 4693
Summary: In information, the point of view of the element is very different from that of the set.
Searching variety in
Homeostat its discontinuous 2nd order process can be changed through intermediates to that of thermostat
Markov process / chain can be modified to give a field
Regulation discontinuous and continuous are related
Trial and error relation to continuous stability
4694 4695

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Summary: Many concepts include that of "reduction". 4880, 4950, 4963
Design and information
Machine as reduction
Prediction as reduction
Problems solving problems
Property as information
Reduction many forms
Relation as information
Code military
Coding theory of
Strategy of trial and error
Trial and error optimal method
4796 4797
Summary: An input can be saturated i.e. has a capacity as a channel.
Theory of nature of
Trial and error determine of trial by theory
4848 4849
Summary: Trials are good, for they bring information. 4945, 4948, 4965, 4963
Information by trials
Trial and error gives information
Behaviour all reducible to behaviour
Thing as way of behaving
4942 4943
Reducibility value of
Trial and error nature of
Epistemology [44]: The strategy of putting questions 4948.
4948 4949
Summary: Effects of channel capacity in joining two systems, only one of which is observed.
Epistemology [49]: As the coupling between B and A is made richer, either by increasing channel capacity or by adding immediate effects, so will what is in B affect x the sooner. 5026. DIAGRAM
Entropy during search
Hunt and stick information flow
Information during hunt and stick
Searching information flow
Selection informatiom flow
Trial and error gives information
5026 5027

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Transformation moving sequentially
DAMS Mark II (Dispersive and Multistable System) [4]: Effect of a transformation being carried out sequentially, (so that e.g. x'2 depends on x'1, rather than x1) 5338.
Summary: Effect of computing a transformation sequentially.
Training of full efficiency
Trial and error of full efficiency
5338 5339

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Summary: From essential variables to Grand Outcome, via trials. 5573, 5642
Essential variables and trials
Immediate effect equals "cause"
Trial and error and essential variables
Cause and feedback
Discrimination requires information
Feedback discriminative needs information
Immediate effect and feedback
Requisite Variety, Law of in discriminative feedback
Supplementation in discriminatative feedback
5538 5539
Dispersion random dispersion useless
Reducibility finding, while adapting
Trial and error must not change dispersion
Summary: Random dispersion will not achieve a useful degree of reducibility. 5619
5606 5607
Summary: One unit for adaptation (in Multistable System) may comprise many portions (arcs) in the cortex. 5653, 5746
The Multistable System [125]: One unit for adaptation (one "arc") may comprise many portions of both cortex and environment. 5634.3.
Summary: Optimal duration of trial; optimal time back to make disruptive feedback work. 5642
Essential variables maximal speed
Trial and error maximal speed
5634 5635
Summary: Continuity as a restraint.
Constraint continuity as
Continuity as constraint
Trial and error duration of
5636 5637

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Genius Campbell on genius
Induction (gaining knowledge by induction) by genius
Trial and error by genius
Summary: Campbell won't allow "genius". 6289
Ignorance field of ignorance
6258 6259

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Chess two-way search
Efficiency in searching
Goal two-way search
Trial and error efficiency of
Summary: In a process of search, knowing the goal, and especially of intermediate goals, can cut the time fabulously.
Constraint in environment's transitions
6336 6337

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