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Determination of the technical parameters of shaping tools for delimbing head
delimber forest machine delimbing tool
2014/2/25
It is usually a technical problem to find mathematical ideal shape of knives of delimbing head. Determination of their shape in the form of general curve could lead to the technically unfeasible dimen...
On Calibrating Stochastic Volatility Models with time-dependent Parameters
Calibrating Stochastic Volatility Models time-dependent Parameters
2010/10/22
We consider stochastic volatility models using piecewise constant parameters. We suggest a hybrid optimization algorithm for fitting the models to a volatility surface and provide some numerical resu...
We concentrated on the other parameters of terminal value. If we accepted the assumptions that since certain point in time a company is “stable” in terms of ratio of profit to a set of capital to whic...
Determination of elastic parameters of grain with oedometric and acoustic methods
grain wheat rapeseed elastic parameters uniaxial compression shear wave velocity
2014/2/28
Values of modulus of elasticity E and Poisson’s ratio were determined with two methods adopted from geotechnique. First approach used was a method proposed by Sawicki (1994). This type of examinatio...