A class of extended backward differentiation formulae suitable for the approximate numerical integration of stiff systems of first order ordinary differential equations is derived. An algorithm is described whereby the required solution is predicted using a conventional backward differentiation scheme and then...
Boas’ differentiation formulaWe establish a general version of Cauchy's integral formula and a residue theorem for polar-analytic functions, employing the new notion of logarithmic poles. As an application, a Boas-type differentiation formula in Mellin setting and a Bernstein-type inequality for ...
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and a cross-sectional design ended up being used where cadets received a survey at the beginning, in the centre and at the termination of their education. The outcomes show that the informants observed a clear difference between leadership difficulties when you look at the quick and long-term....
Factor detection is to calculate the q-value of each influence factor and detect the degree of explanation of the spatial variation of each influence factor on the efficiency of green technology innovation in the construction industry. The specific formula is as follows: 𝑞=1−(∑ℎ=1𝐿...
A strong grammar focus was perceived by the participants as the correction of errors and decontextualized grammar practice. For instance, participants stated that “bad” teachers are: P13: “Only concerned with correctness in grammar and pronunciation. Ingrained teaching according to ‘Formula X’....
Therefore, it is necessary to use the coupling coordination model to evaluate the coordination degree of the interactive development of tourism, urbanization, and the ecological environment of a city. The calculation formula of the coupling coordination degree is as follows. 𝐷=𝐶×𝑇−−...
Next, the multivariate Cox regression analysis was performed to build the risk score model and the model formula was showed above-mentioned. Via timeROC package in R, ROC and AUC was performed to evaluate the classification efficiency of the prognosis predictions for 1 year, 2 years, 3 years ...
Establishing a sound valuation system for cultivated land resources is an important component of China’s exploration in preparing a natural resource balance sheet. However, the value of cultivated land resources is multidimensional and highly influenced by external factors, making it challenging to ...