The phrase "increasing monotonic" (IPA: ɪnˈkriːsɪŋ məˈnɑːtənɪk) refers to a mathematical function that consistently increases without any deviation or fluctuation. The word "increasing" is spelled with the typical English sound for the letter "i" and the accent on the second syllable, while "monotonic" has a slightly different pronunciation with a stress on the third syllable and the "o" sound pronounced as "ah". When written in IPA phonetic transcription, the spelling of "increasing monotonic" accurately reflects the sounds of the word.
The term "increasing monotonic" refers to a mathematical concept that describes the behavior of a function or a sequence. It signifies that as the input values or terms increase, the corresponding output values or terms also increase in a consistent and non-decreasing manner. The term "increasing" indicates a positive or upward trend, while "monotonic" denotes the lack of fluctuations or reversals in this trend.
In more precise terms, a function is said to be increasing monotonic if, for any two input values or variables, denoted as x1 and x2, such that x1 < x2, the corresponding output values or function values, denoted as f(x1) and f(x2), fulfill the inequality f(x1) ≤ f(x2). This definition emphasizes that as the input values increase, the output values can only equal or surpass their preceding values, highlighting a consistent ascending pattern.
Similarly, a sequence is considered increasing monotonic if each term in the sequence is greater than or equal to the preceding term, and no term exhibits a decrease or a dip in value. This property implies that as the position of a term in the sequence increases, the actual value of the term also increases or remains the same.
In summary, "increasing monotonic" characterizes a function or sequence that exhibits a positive, steadily ascending trend, with no fluctuations or reversals in its behavior as the input values or terms increase.
The word "increasing" has an etymology derived from the Latin word "increpare", which means "to grow or multiply". It later evolved into "increasen" in Old English, and eventually became "increase" in Middle English. The term "monotonic" comes from the Greek word "monotonos", which means "single-toned" or "uniform". When combined, "increasing monotonic" refers to a sequence or function that consistently and continuously increases without any decrease or fluctuations.