trigonometric
2 resultados para trigonometric
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A complex rating assessment of the financial position of russian agricultural enterprises: methodological aspects
The article explores the problems of choosing the key indicators for quantitative assessment of financial state of companies. The methodological aspects of this assessment are examined using the example of agricultural industry. The purpose of the study is to prove the lack of a unified methodology for comparative assessment of financial and economic activities of business entities, taking into...
... - P. 578-583 ... Mendoza Velazco, D. J., & Rivero Padrón, Y. (2019). Teaching Resource for the Teaching of Geometry: Circular Trigonometric ... -
Modeling and Forecasting the Volatility of Gas Futures Prices/Modelagem e Previsao da Volatilidade dos Precos Futuros de Gas.
... The GPH is a semi-parametric test to estimate [zeta] in the frequency domain. The test is a regression of log spectral density on a trigonometric function of frequencies represented by ... log [I ([[omega].sub.j])] = [[beta].sub.1] + [[beta].sub.2] log 4 [sin.sup.2] ([[omega].sub.j]/2)] + ...