Double exponential function
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DOUBLE SPEND RACES Open
We correct the double spend race analysis given in Nakamoto’s foundational Bitcoin article and find the exact closed-form formula for the probability of success of a double spend attack using the regularized incomplete beta function. We gi…
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Forecasting Product Selling Using Single Exponential Smoothing and Double Exponential Smoothing Methods Open
The purpose of research is to observe forecasting product selling. The methods used are Single Exponential Smoothing and Double Exponential Smoothing. The result showed that MAPE of Single Exponential Smoothing is 20% and MAPE of Double Ex…
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Approximation methods in the study of boson stars Open
We analyze the accuracy of the variational method in computing physical\nquantities relevant for gravitationally bound Bose-Einstein condensates. Using\na variety of variational ans\\"atze found in existing literature, we determine\nphysic…
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Slow stretched-exponential and fast compressed-exponential relaxation from local event dynamics Open
We propose an atomistic model for correlated particle dynamics in liquids and glasses predicting both slow stretched-exponential relaxation (SER) and fast compressed-exponential relaxation (CER). The model is based on the key concept of el…
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Expansions of the exponential and the logarithm of power series and applications Open
In the paper, the authors establish explicit formulas for asymptotic and power series expansions of the exponential and the logarithm of asymptotic and power series expansions. The explicit formulas for the power series expansions of the e…
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Griffiths and Phelps Lightning Initiation Model, Revisited Open
In this paper we reconstruct Griffiths and Phelps' seminal model of streamer systems to test if it can reproduce the key observational features of fast positive breakdown. We first confirm that our implementation is accurate by reproducing…
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Exponential varieties Open
Exponential varieties arise from exponential families in statistics. These\nreal algebraic varieties have strong positivity and convexity properties,\nfamiliar from toric varieties and their moment maps. Among them are varieties\nof invers…
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Forecasting Bitcoin using Double Exponential Smoothing Method Based on Mean Absolute Percentage Error Open
— After being introduced in 2008, the rise in the price of bitcoin and the popularity of other cryptocurrencies triggered a growing discussion about how much energy was consumed during the production of this currency. Making cryptocurren…
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A double exponential potential for van der Waals interaction Open
Van der Waals (vdw) interaction is an important force between atoms and molecules. Many potential functions have been proposed to model vdw interaction such as the Lennard-Jones (L-J) potential. To overcome certain drawbacks of existing fu…
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H-WEMA: A New Approach of Double Exponential Smoothing Method Open
A popular smoothing technique commonly used in time series analysis is double exponential smoothing. Basically, it's an improvement of simple exponential smoothing which does the exponential filter process twice. Many researchers had devel…
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Computation of best $$L^{\infty }$$ L ∞ exponential sums for 1 / x by Remez’ algorithm Open
The approximation of the function 1 / x by exponential sums has several interesting applications. It is well known that best approximations with respect to the maximum norm exist. Moreover, the error estimates exhibit exponential decay as …
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The Finite Satisfiability Problem for Two-Variable, First-Order Logic with one Transitive Relation is Decidable Open
We consider the two-variable fragment of first-order logic with one distinguished binary predicate constrained to be interpreted as a transitive relation. The finite satisfiability problem for this logic is shown to be decidable, in triply…
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A Comparison between Brown’s and Holt’s Double Exponential Smoothing for Forecasting Applied Generation Electrical Energies in Kurdistan Region Open
The process of producing electricity from sources of energy is known as electricity production. Electric also isn't freely accessible in environment, thus it should be "manufactured" (i.e., converting another kinds of energy to electrical …
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Simplified model of spectral absorption by non-algal particles and dissolved organic materials in aquatic environments Open
Absorption by non-algal particles (NAP, ad) and colored dissolved organic matter (CDOM, ag) are frequently modeled by exponential functions of wavelength, either separately or as a sum. We present a new representation of NAP-plus-CDOM abso…
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The Comparison of Double Moving Average and Double Exponential Smoothing Methods in Forecasting the Number of Foreign Tourists Coming to North Sumatera Open
In Mathematics, Forecasting is scientific. Forecasting uses statistical techniques to describe the future using previous data. Based on North Sumatra BPS data, the number of foreign tourists coming to North Sumatra fluctuates. Therefore, f…
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Generic solutions of equations with iterated exponentials Open
We study solutions of exponential polynomials over the complex field. Assuming Schanuel's Conjecture we prove that certain polynomials of the form
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Generalized quantum exponential function and its applications Open
This article aims to present (q; h)-analogue of exponential function which unifies, extends hand q-exponential functions in a convenient and efficient form. For this purpose, we introduce generalized quantum binomial which serves as an ana…
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The Lambert-Kaniadakis W function Open
In the present work, we introduce the Lambert-Kaniadakis Wk function. It is a generalization of the Lambert W function that solves the equation Wk(z) expk (Wk(z))=z, where expk (z) is the κ-exponential, a generalization of the exponential …
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On generalized classes of exponential distribution using T-X family framework Open
We introduce new generalized classes of exponential distribution, called T-exponential {Y} class using the quantile functions of well-known distributions. We derive some general mathematical properties of this class including explicit expr…
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Truncated-exponential-based Frobenius–Euler polynomials Open
In this paper, we first introduce a new family of polynomials, which are called the truncated-exponential based Frobenius–Euler polynomials, based upon an exponential generating function. By making use of this exponential generating functi…
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Peramalan Persediaan Barang Menggunakan Metode Weighted Moving Average dan Metode Double Exponential Smoothing Open
The management of goods inventory at PT EDS Manufacturing Indonesia (PEMI) is still manual, on the other hand there is no policy that regulates what methods can be used to forecast the inventory of goods and also the absence of an estimate…
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Semi-Exponential Operators Open
In this paper we study approximation properties of exponential-type operators for functions from exponential weighted spaces. We focus on some modifications of these operators and we derive a new example of such operators. A probabilistic …
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Wind speed prediction for small sample dataset using hybrid first‐order accumulated generating operation‐based double exponential smoothing model Open
Wind power generation has recently emerged in many countries. Therefore, the availability of long‐term historical wind speed data at various potential wind farm sites is limited. In these situations, such forecasting models are needed that…
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Forecasting Stock Market Price of Gold, Silver, Crude Oil and Platinum by Using Double Exponential Smoothing, Holt’s Linear Trend and Random Walk Open
Forecasting is an approach that has been used widely for ages. However, forecasting stock market price is a challenging task to be completed as the data fluctuates rapidly along the time and can be influenced by a variety of factors. Hence…
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On Reversible Transducers Open
Deterministic two-way transducers define the robust class of regular functions which is, among other good properties, closed under composition. However, the best known algorithms for composing two-way transducers cause a double exponential…
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Prediction of Air Quality Based on Hybrid Grey Double Exponential Smoothing Model Open
To predict the concentration of air pollutants accurately, conformable fractional accumulation grey double exponential smoothing and adjacent accumulation grey double exponential smoothing are proposed, respectively. A hybrid model with co…
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Application of Double Exponential Smoothing Holt and Triple Exponential Smoothing Holt-Winter with Golden Section Optimization to Forecast Export Value of East Borneo Province Open
Exponential smoothing is one of the short term forecasting methods. The selection of the forecasting method can be done by considering the type of data pattern, such as the Double Exponential Smoothing (DES) Holt method which can be used o…
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The application of Trust Region Method to estimate the parameters of photovoltaic modules through the use of single and double exponential models. Open
t. This paper presents a methodology for the extraction of parameters of photovoltaic (PV) modules through the use of electric models with single and double exponentials. The aim of the proposed method was extract the parameters directly f…
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Brown’s Weighted Exponential Moving Average Implementation in Forex Forecasting Open
In 2016, a time series forecasting technique which combined the weighting factor calculation formula found in weighted moving average with Brown’s double exponential smoothing procedures had been introduced. The technique is known as Brown…
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Highly efficient Shannon wavelet-based pricing of power options under the double exponential jump framework with stochastic jump intensity and volatility Open
We propose a highly efficient and accurate valuation method for exotic-style options based on the novel Shannon wavelet inverse Fourier technique (SWIFT). Specifically, we derive an efficient pricing method for power options under a more r…