adjective. If you describe something as ill-defined, you mean that its exact nature or extent is not as clear as it should be or could be. ... staff with ill-defined responsibilities. Synonyms: unclear, vague, indistinct, blurred More Synonyms of ill-defined.

What does it mean if something is ill defined?

: not easy to see or understand The property's borders are ill-defined.

What is a synonym for ambiguous?

Some common synonyms of ambiguous are cryptic, dark, enigmatic, equivocal, obscure, and vague.

What is a nebulous person?

The definition of nebulous is someone or something that is vague or unclear.

What is the synonym of ubiquitous?

Synonyms for ubiquitous. omnipresent, universal, wall-to-wall.

Sick vs ill, confusing words in English

Which is an example of an ill-defined problem?

In the study of problem solving, any problem in which either the starting position, the allowable operations, or the goal state is not clearly specified, or a unique solution cannot be shown to exist. A typical example is the problem of overpopulation, which satisfies none of these criteria.

What does it mean to be well-defined in math?

In mathematics, a well-defined expression or unambiguous expression is an expression whose definition assigns it a unique interpretation or value. ... A function is well defined if it gives the same result when the representation of the input is changed without changing the value of the input.

What does it mean for F to be defined?

4. 1. "f(a) is defined" means f is a function, and a is in the domain of f. For example suppose f(x)=1x. f(1) is defined.

Is well-defined the same as one to one?

Well-definition only gives you a function. It allows not all points of the codomain to be hit by the function, as well as it allows many points to be mapped on the same image point. Both are not allowed for a one-to-one bijection.

What are some examples of well defined sets?

A set is well-defined if there is no ambiguity as to whether or not an object belongs to it, i.e., a set is defined so that we can always tell what is and what is not a member of the set. Example: C = {red, blue, yellow, green, purple} is well-defined since it is clear what is in the set.

What are the three examples of well defined sets?

• The set of months in a year.
• S = { x ∈ N : 5 < x < 10 }
• The set of boys in a girl's hostel.

Is the set of US presidents well defined?

ex: The set of US presidents is a well defined set because its contents can be named. Note that {ø} is not the empty set bc it still has a cardinality of 1. U, contains all the elements for any specific discussion.

When problems are ill-defined they lack?

Ill-defined problems lack all or most of the information required to reach a solution, i.e., they leave at least one of the three elements (initial state, solution operators, or goal state) not clearly specified (Reitman, 1965; Newell and Simon, 1972; Eysenck and Keane, 2000).

Which problem is an ill-defined quizlet?

An ill-defined problem is one in which the initial state, goal state, and/or methods are ill-defined. Gestalt psychologists find it is important to think of problems as a whole.

What is an ill-defined or ill-structured problem?

Ill-structured problems are ones students face routinely in everyday life. They include important social, political, economic, and scientific problems (Simon, 1973). In order to resemble situations in the real world, ill-structured problems have unclear goals and incomplete information (Voss, 1988).

What do you call the collection of well-defined objects?

Sets Memorize: A set is a well-defined collection of objects called elements or members of the set.

What is the meaning of well-defined collection?

Definition: A set is a well-defined collection of distinct objects. The objects of a set are called its elements. If a set has no elements, it is called the empty set and is denoted by ∅. ... In this notation, the braces { } are used to enclose the objects in the set.

What are the three ways of defining sets?

• A written description,
• List or Roster method,
• Set builder Notation,

How do I get AUB?

The number of elements in A union B can be calculated by counting the elements in A and B and taking the elements that are common only once. The formula for the number of elements in A union B is n(A U B) = n(A) + n(B) - n(A ∩ B).

Which of the following is an example of a finite set?

In other words, a finite set is a set which you could in principle count and finish counting. For example, {1,3,5,7} is a finite set with four elements. The element in the finite set is a natural number, i.e. non-negative integer.

What is a universal set example?

The universal set is a set that consists of all the elements of its subsets, including its own elements. Thus, the universal set U = {1, 2, 3, 4, 5, 6, 7, 8, 9}. Therefore, the universal set U = {1, 2, 3, 4, 5, 6, 7, 8, 9}.

Is a Bijection well-defined?

So, yes, every bijection, by definition is a function. Relation: a group of pairings from set A to members of set B. Not all elements need to be paired. And elements from either set may be in multiple pairs (or not in any pairs). function: a relation in which every element of A is paired with exactly one element of B.

What is the opposite of well-defined?

antonyms for well-defined

MOST RELEVANT. ambiguous. fuzzy. indefinite. obscure.