Results 211 to 220 of about 132,951 (266)
Some of the next articles are maybe not open access.

On Stochastic Integration and Differentiation

Acta Applicandae Mathematica, 1999
This short note presents a method to identify the integrands \((\varphi_j)_{j=1}^n\) for a martingale \(\xi_t=\sum_{j=1}^n\int_0^t\varphi_j d\eta^j_t\), \((\eta^j)_{j=1}^n\) being independent Brownian motions, in a measurable way. The quintessence of the method is an \(L^2\)-limit of certain approximations to the quadratic covariation between \(\xi ...
Di Nunno, G., Rozanov, Yu. A.
openaire   +2 more sources

Numerical differentiation by integration

Mathematics of Computation, 2013
While there are various methods which have been developed for numerical differentiation, the estimation of the derivative of a function is often problematic when one has only noisy values of the function itself. In this instance it is important to employ a method which is able to calculate \(f'(x)\) in a stable manner. This article specifically focuses
Xiaowei Huang 0003   +2 more
openaire   +2 more sources

On the integration of differential fractions

Proceedings of the 38th International Symposium on Symbolic and Algebraic Computation, 2013
In this paper, we provide a differential algebra algorithm for integrating fractions of differential polynomials. It is not restricted to differential fractions that are the derivatives of other differential fractions. The algorithm leads to new techniques for representing differential fractions, which may help converting differential equations to ...
François Boulier   +3 more
openaire   +1 more source

Differentiation and Integration

The Psychoanalytic Study of the Child, 1996
The purpose of this paper is to propose a clinical approach to coordinating the psychoanalytic process with the developmental process in treating children. The paper is constructed as a dialogue between the spirit of Anna Freud and myself; a vignette brings together the principal traditional features Ms.
openaire   +2 more sources

integration and differentiation

1994
The evaluation of integrals in elementary calculus is accomplished by the Fundamental Theorem of Calculus, which can be stated as follows: Let \(F(t)\) be a function for which the derivative \(F^{\prime}(t)\) exists and is a continuous function for t in the interval \(\{a \leq t \leq b\}.\)
openaire   +1 more source

Differentiation und Integration

1988
Das Tangentenproblem bildet aus historischer Sicht einen Ausgangspunkt der Differentialrechnung. Wir sind darauf bereits im Abschnitt 4.3.3 eingegangen und haben den Differentialquotienten geometrisch als Tangentenanstieg deuten konnen. Um fur eine Funktion f den Anstieg der Tangente in einem Punkt P = (x0, f (x0)) des Funktionsgraphen zu erhalten ...
openaire   +1 more source

Differentiation and Integration

2021
Let \(f\in AA(\mathbb X)\) and suppose that its derivative f′ exists and is uniformly continuous on \(\mathbb R\). Then \(f'\in AA(\mathbb X)\).
openaire   +2 more sources

Stochastic Integrals and Differential Measures

Theory of Probability & Its Applications, 1988
The description of the class of measures with square integrable logarithmic derivative along a vector field and an operator field is obtained. This derivative coincides with an extended stochastic integral in the Gaussian case. The proofs are based on integration by parts.
openaire   +3 more sources

Differentiation and Integration of Differential Forms

2004
Abstract Theorem 12.1  There exists one and only one operator, d, on the algebra ofdifferential forms with the following properties.
openaire   +1 more source

Differentiation and Integration

2009
In this chapter, we examine the mathematical foundations of differentiation and integration. The theorems of this chapter are useful not only to make calculus work but also for studying functions in many other contexts.We do not spend any time on the important applications that typically appear in courses devoted to calculus, such as optimization ...
Kenneth R. Davidson, Allan P. Donsig
openaire   +1 more source

Home - About - Disclaimer - Privacy