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For example, consider the function index, which takes a string and a substring, and returns the integer index of the substring in the main string. If the search fails, the function may be programmed to return −1 (or any other negative value), since this can never signify a successful result.
The converse, though, does not necessarily hold: for example, taking f as =, where V is a Vitali set, it is clear that f is not measurable, but its absolute value is, being a constant function. The positive part and negative part of a function are used to define the Lebesgue integral for a real-valued function.
What follows are two results which will imply that an extended signed measure is the difference of two non-negative measures, and a finite signed measure is the difference of two finite non-negative measures. The Hahn decomposition theorem states that given a signed measure μ, there exist two measurable sets P and N such that: P∪N = X and P ...
The Dirac delta function, although not strictly a probability distribution, is a limiting form of many continuous probability functions. It represents a discrete probability distribution concentrated at 0 — a degenerate distribution — it is a Distribution (mathematics) in the generalized function sense; but the notation treats it as if it ...
This would erode the power of Congress and remove a significant check on his authority as president. According to the U.S. Constitution, the Senate and the president share the power of appointing ...
Here's a primer on the debt ceiling and examples of the possible consequences if the United States is unable to pay its debts. MORE: From Social Security to travel: Everything to know about a ...
Lodash is a JavaScript library that helps programmers write more concise and maintainable JavaScript. It can be broken down into several main areas: Utilities: for simplifying common programming tasks such as determining type as well as simplifying math operations.
Colorado has added a top QB through the transfer portal. Per multiple reports, former Liberty QB Kaidon Salter is set to transfer to the Buffaloes for his final season of eligibility.Colorado is ...