derivative sign
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Sign (mathematics) — The plus and minus symbols are used to show the sign of a number. Not to be confused with the sine function in trigonometry. In mathematics, the word sign refers to the property of being positive or negative. Every nonzero real number is either… … Wikipedia
Derivative (finance) — Financial markets Public market Exchange Securities Bond market Fixed income Corporate bond Government bond Municipal bond … Wikipedia
Sign function — In mathematics, the sign function is a mathematical function that extracts the sign of a real number. To avoid confusion with the sine function, this function is often called the signum function (after the Latin form of sign ).In mathematical… … Wikipedia
Derivative — This article is an overview of the term as used in calculus. For a less technical overview of the subject, see Differential calculus. For other uses, see Derivative (disambiguation) … Wikipedia
sign — [13] Sign comes via Old French signe from Latin signum ‘mark’. It already had the meaning ‘mark denoting something’ in Latin, and it was in this sense that it entered English, gradually ousting the native word token. The verb sign goes back… … The Hutchinson dictionary of word origins
sign — [13] Sign comes via Old French signe from Latin signum ‘mark’. It already had the meaning ‘mark denoting something’ in Latin, and it was in this sense that it entered English, gradually ousting the native word token. The verb sign goes back… … Word origins
Differentiation under the integral sign — Topics in Calculus Fundamental theorem Limits of functions Continuity Mean value theorem Differential calculus Derivative Change of variables Implicit differentiation Taylor s theorem Related rates … Wikipedia
Dini derivative — In mathematics and, specifically, real analysis, the Dini derivatives (or Dini derivates) are a class of generalizations of the derivative. The upper Dini derivative, which is also called an upper right hand derivative,[1] of a continuous… … Wikipedia
Total derivative — In the mathematical field of differential calculus, the term total derivative has a number of closely related meanings. * The total derivative of a function, f , of several variables, e.g., t , x , y , etc., with respect to one of its input… … Wikipedia
Weak derivative — In mathematics, a weak derivative is a generalization of the concept of the derivative of a function ( strong derivative ) for functions not assumed differentiable, but only integrable, i.e. to lie in the Lebesgue space L^1( [a,b] ). See… … Wikipedia
Second partial derivative test — In mathematics, the second partial derivatives test is a method in multivariable calculus used to determine if a critical point ( x , y ) is a minimum, maximum or saddle point.Suppose that :M = f {xx}(a,b)f {yy}(a,b) left( f {xy}(a,b) ight)^2 or… … Wikipedia
