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The **derivative** of a function of a real variable measures the sensitivity to change of a quantity (a function value or dependent variable) which is determined by another quantity (the independent variable). Derivatives are a fundamental tool of calculus. For example, the derivative of the position of a moving object with respect to time is the object's velocity: this measures how quickly the position of the object changes when time is advanced.

The derivative of a function of a single variable at a chosen input value, when it exists, is the slope of the tangent line to the graph of the function at that point. The tangent line is the best linear approximation of the function near that input value. For this reason, the derivative is often described as the "instantaneous rate of change", the ratio of the instantaneous change in the dependent variable to that of the independent variable.

Derivatives may be generalized to functions of several real variables. In this generalization, the derivative is reinterpreted as a linear transformation whose graph is (after an appropriate translation) the best linear approximation to the graph of the original function. The Jacobian matrix is the matrix that represents this linear transformation with respect to the basis given by the choice of independent and dependent variables. It can be calculated in terms of the partial derivatives with respect to the independent variables. For a real-valued function of several variables, the Jacobian matrix reduces to the gradient vector.

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In finance, a **derivative** is a contract that *derives* its value from the performance of an underlying entity. This underlying entity can be an asset, index, or interest rate, and often called the "underlying". Derivatives can be used for a number of purposes, including insuring against price movements (hedging), increasing exposure to price movements for speculation or getting access to otherwise hard-to-trade assets or markets.
Some of the more common derivatives include forwards, futures, options, swaps, and variations of these such as synthetic collateralized debt obligations and credit default swaps. Most derivatives are traded over-the-counter (off-exchange) or on an exchange such as the Bombay Stock Exchange, while most insurance contracts have developed into a separate industry. Derivatives are one of the three main categories of financial instruments, the other two being stocks (i.e., equities or shares) and debt (i.e., bonds and mortgages).

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https://wn.com/Derivative_(finance)

In chemistry, a **derivative** is a compound that is derived from a similar compound by a chemical reaction.

In the past, derivative also meant a compound that *can be imagined to* arise from another compound, if one atom or group of atoms is replaced with another atom or group of atoms, but modern chemical language now uses the term structural analog for this meaning, thus eliminating ambiguity. The term "structural analogue" is common in organic chemistry.

In biochemistry, the word is used for compounds that at least theoretically can be formed from the precursor compound.

Chemical derivatives may be used to facilitate analysis. For example, melting point (MP) analysis can assist in identification of many organic compounds. A crystalline derivative may be prepared, such as a semicarbazone or 2,4-dinitrophenylhydrazone (derived from aldehydes or ketones), as a simple way of verifying the identity of the original compound, assuming that a table of derivative MP values is available. Prior to the advent of spectroscopic analysis, such methods were widely used.

This page contains text from Wikipedia, the Free Encyclopedia -
https://wn.com/Derivative_(chemistry)

The **derivative** of a function of a real variable measures the sensitivity to change of a quantity (a function value or dependent variable) which is determined by another quantity (the independent variable). Derivatives are a fundamental tool of calculus. For example, the derivative of the position of a moving object with respect to time is the object's velocity: this measures how quickly the position of the object changes when time is advanced.

The derivative of a function of a single variable at a chosen input value, when it exists, is the slope of the tangent line to the graph of the function at that point. The tangent line is the best linear approximation of the function near that input value. For this reason, the derivative is often described as the "instantaneous rate of change", the ratio of the instantaneous change in the dependent variable to that of the independent variable.

Derivatives may be generalized to functions of several real variables. In this generalization, the derivative is reinterpreted as a linear transformation whose graph is (after an appropriate translation) the best linear approximation to the graph of the original function. The Jacobian matrix is the matrix that represents this linear transformation with respect to the basis given by the choice of independent and dependent variables. It can be calculated in terms of the partial derivatives with respect to the independent variables. For a real-valued function of several variables, the Jacobian matrix reduces to the gradient vector.

This page contains text from Wikipedia, the Free Encyclopedia -
https://wn.com/Derivative

The benchmark palm oil **contract** for October delivery on the Bursa Malaysia **Derivatives** Exchange rose to its highest in a week at 2,220 ringgit ($547.20) a tonne in the morning before falling 0.8 ......

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On Thursday (July 19), the UK’s financial regulator said that it was gearing itself up for such a state of affairs—and said that up to £26 trillion ($34 trillion) in **derivatives** **contracts** could be ......

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Britain has said it and the EU should act to ensure that cross-border financial **contracts** like **derivatives** and insurance policies can still be serviced after March, but the EU reiterated on Thursday that it won’t legislate for now. “In relation to **contracts**, at this juncture, there does not appear to be an issue of a general nature linked to ......

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On a positive note, most of TC PipeLines' revenue is **derived** from long-term ship-or-pay **contracts**. Ship-or-pay refers to **contracts** requiring payment for the transportation of natural gas regardless of the volume shipped or even if the gas is not transported. Impressive Assets ... U.S ... This index tracks public companies that **derive** a substantial portion of revenues from midstream activities of the exploration and production of natural gas ... ....

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Revenue from **Contracts** with Customers During 1Q 2018, we adopted IFRS 15 "Revenue from **Contracts** with Customers" which replaces existing revenue recognition guidance, including IAS 18 "Revenue". IFRS 15 establishes a single comprehensive model for entities to use in accounting for revenue arising from **contracts** with customers....

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... at 2,194 ringgit ($541.06) a tonne at the midday break, after rising to its highest since July 12 at 2,203 ringgit.The **contract** was higher for a second session in three....

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Britain has said it and the EU should act to ensure that cross-border financial **contracts** such as **derivatives** and insurance policies can still be serviced after March, but the EU reiterated on Thursday that it will not legislate for now ... But the EU and US took four years to agree to equivalence just for clearing **derivatives**, raising concerns in Britain over what the City financial district could face after Brexit....

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... big **contracts** in the Middle East and South Africa, as well as regional train deliveries in Italy ... On June 30, Alstom's order backlog stood at EUR35.5 billion, of which around 30% is **derived** from service **contracts**, the company said....

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Britain has said it and the EU should act to ensure that cross-border financial **contracts** like **derivatives** and insurance policies can still be serviced after March, but the EU reiterated on Thursday that it won’t legislate for now. “In relation to **contracts**, at this juncture, there does not appear to be an issue of a general nature linked to ......

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EU banking, insurance and markets watchdogs have already warned their respective sectors to be ready for a hard Brexit ... Britain has already said it would legislate to ensure that cross-border financial **contracts** like **derivatives** and insurance policies can still be serviced after March, but the EU has so far said it was up to the private sector to take such action ... Brexit. Banks ... ....

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Barclays has filed two patent applications relating to the transfer of digital currency and blockchain data storage, both published by the U.S. Patent and Trademark Office (USPTO) July 19 ... The claims were soon refuted by Barclays’ CEO Jes Staley, although the bank notably continues to help its clients to settle Bitcoin (BTC) futures **contracts** that are offered on **derivatives** exchanges such as CME Group Inc ... Cointelegraph ... source ... ....

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WNS Announces Fiscal 2019 First Quarter Earnings, Revises Full Year Guidance. WNS (Holdings) Limited (WNS) (NYSE ... . Highlights – Fiscal 2019 First Quarter.. GAAP Financials. . • ... • ... • ... . Non-GAAP Financial Measures*. • ... • ... • ... ... • ... • ... • ... ) ... **Derivative** assets 5.7 11.7 ... **Derivative** assets 2.1 3.2 ... **Derivative** liabilities 11.3 6.5 ... **Contract** liabilities 2.8 2.9 ... **Derivative** liabilities 2.3 2.3 ... **Contract** liabilities 0.5 0.6 ... Add....

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Under the Cut law, partnership provisions requires holding period must be greater than three years ... Specified assets” include securities, commodities, real estate held for rental or investment, cash or cash equivalents, options or **derivative** **contracts** with respect to the forgoing assets, or an interest in a partnership to the extent of the partnership’s interest in the forgoing assets ... BEFORE YOU GO. … we’d like to ask for your support....

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