Kindle Notes & Highlights
1.103 Definition: In system life cycle Phase 4, the system development phase, systems engineering oversees and coordinates the efforts of industrial and manufacturing engineers who have the primary responsibility for the production, manufacture, installation, and deployment of the system during the system development phase on the bas...
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System life cycle Phase 5 1.104 Definition: System life cycle Phase 5, the system test and integration phase: When the physical components of the system have been produced, the system test and integration phase begins, wherein systems engineering supervises and coordinates integration of the physical components into a system whose physical components will work together to satisfy the customer’s operational...
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System life cycle Phase 6 1.105 Definition: In system life cycle Phase 6, the operations, support, and modification phase, systems engineering periodically reevaluates the system in operation to ensure that the system continues to satisfy all its requirements, reviews engineering changes proposed for the purpose of improving the performance or reducing the operating costs, and supervises implementation of those changes that will improve the system over all
System life cycle Phase 7 1.106 Definition: System life cycle Phase 7, the retirement and replacement phase: The acquisition cycle begins again. Systems engineering is responsible for recommending the retirement of
the system at the appropriate time and for writing the proposal ...
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“discrete open system,” in this book is frequently abbreviated to “system,” and the development is restricted to the elements of DSYSTEMS.
Suppose that p(x) is the statement of all the criteria for set membership in terms of x. Then x is an element of the set A if p(x) is true. Otherwise, x fails the test (if p(x) is not true), and x is not an element of the set A. This interpretation is symbolized, and A itself can be defined as follows: A = {x: p(x)}.
The symbolism A = {x: p(x)} is read, “A is (or equals) the set of all x such that p(x) is true,” and it can be asserted that: if p(x) is true then x ∈ A, else x ∉ A, or, if y is any other thing different from x, then it can also be asserted that: if p(y) is true then y ∈ A, else y ∉ A.
The power set of the set D is the set of all subsets of D, denoted ℘(D) or, alternatively,.PS.(D), defined as follows: ℘(D) = {C: C is a set; C ⊆ D}. ℘(D) can also be written simply ℘D if confusion is unlikely.
trade-off order is a trade-off
