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An intensity-duration-frequency curve (IDF curve) is a mathematical function that relates the intensity of an event (e.g. rainfall) with its duration and frequency of occurrence. [1] Frequency is the inverse of the probability of occurrence. These curves are commonly used in hydrology for flood forecasting and civil engineering for urban ...
Time of concentration is useful in predicting flow rates that would result from hypothetical storms, which are based on statistically derived return periods through IDF curves. [4] [5] For many (often economic) reasons, it is important for engineers and hydrologists to be able to accurately predict the response of a watershed to a given rain event.
In this framework the vectors in the right matrix are continuous curves rather than discrete vectors. Also early work on non-negative matrix factorizations was performed by a Finnish group of researchers in the 1990s under the name positive matrix factorization .
A video posted on X, formerly Twitter, by Israeli journalist Yinon Magal, shows Israeli soldiers singing and chanting for the occupation of Gaza and to “wipe off the seed of Amalek”, saying ...
The IDF also reported it found the bodies of two hostages at the al-Shifa site. It says IDF troops recovered the body of an Israeli soldier whom Hamas abducted from a structure near that hospital.
However, it may be partly explained by statistical analysis of randomly generated texts. Wentian Li has shown that in a document in which each character has been chosen randomly from a uniform distribution of all letters (plus a space character), the "words" with different lengths follow the macro-trend of Zipf's law (the more probable words ...
Another video showed an Israeli soldier on the rooftop, shooting at the prone body of a man. A photo shows three bodies on the roof. Later in the day an Israeli airstrike struck a car in the town ...
This page is subject to the extended confirmed restriction related to the Arab-Israeli conflict. Israel Defense Forces צבא ההגנה לישראל Emblem Standard Founded 26 May 1948 ; 76 years ago (1948-05-26) Service branches Israeli Ground Forces Israeli Air Force Israeli Navy Website idf.il Leadership Prime Minister Benjamin Netanyahu Defense Minister Israel Katz Chief of the ...