Table of Contents
What is a well-defined function example?
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. For example, if f(x) = 1/x, then the fact that f(0) is undefined does not mean that the f is not well defined – but that 0 is simply not in the domain of f.
What is an example of a function in computer science?
The function contains instructions used to create the output from its input. It’s like a cow that eats grass (the input) which its body turns into milk which a dairy farmer then milks (the output). For example, programming functions might take as input any integer or number.
What is a function definition in computer science?
Functions are “self contained” modules of code that accomplish a specific task. Functions usually “take in” data, process it, and “return” a result. Once a function is written, it can be used over and over and over again.
What is defined and well-defined?
Definition of well-defined 1 : having clearly distinguishable limits, boundaries, or features a well-defined scar. 2 : clearly stated or described well-defined policies.
What is mean by ill defined?
Definition of ill-defined : not easy to see or understand The property’s borders are ill-defined. an ill-defined mission.
What is a valid function?
The VALID function determines whether x , a reference to a scalar pictured value, has a value that is valid with respect to its picture specification. The result is a bit string of length one that indicates if the character-string value of x can be edited into the picture declared for x .
When should you define a function?
When the graph of a relation between x and y is plotted in the x-y plane, the relation is a function if a vertical line always passes through only one point of the graphed curve; that is, there would be only one point f(x) corresponding to each x, which is the definition of a function.
What is function in computer science class 12?
A function can be defined as a single related task, which is written as a block of codes. It only runs when it is called. We can pass data to the function when we call a function, these are known as parameters. A function can return data as a result of using the return statement.
What is function in C++ with example?
A function is a group of statements that together perform a task. The C++ standard library provides numerous built-in functions that your program can call. For example, function strcat() to concatenate two strings, function memcpy() to copy one memory location to another location and many more functions.
What is another word for well-defined?
Words related to well-defined clear-cut, distinct, explicit, precise, straightforward, transparent, unambiguous, apparent, audible, comprehensible, graspable, intelligible, legible, lucent, lucid, obvious, plain, sharp, spelled out, unblurred.
What 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 is an ill-defined situation?
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 is the difference between a function and a well-defined function?
1 Answer 1. All functions are well-defined; but when we define a function, we don’t always know (without doing some work) that our definition really does give us a function. We say the function (or, more precisely, the specification of the function) is ‘well-defined’ if it does.
What is the definition of functional in math?
In general mathematics, a functional may refer to a function specifically produced from a set of real-valued functions. For example, a functional could be the maximum of a set of functions on the closed interval [0, 1]. A binary functional takes two sets of functions to create one function.
What are funfunctions in differential calculus?
Functions, the building blocks of differential calculus, take scalars as inputs and produce scalars as outputs. Functionals are the building blocks for calculus of variations, taking a function as an input, returning a scalar output.
How do you prove that a function is a function?
If the function is defined through other functions, one often can simply invoke the function-ness of those functions. Example: . is a function, is a (constant) function, is a function, addition and taking the power is a function. So is a function of a function of a function of a… which is still a function.