Derivation and validation of a simple calculator to predict home discharge after surgery. J Am Coll Surg. 2014; 218:226-236.Joseph A.Hyder, ElliotWakeam, Elizabeth B.Habermann, Erik P.Hess, Robert R.Cima, Louis L.Nguyen. (2014) Derivation and Validation of a Simple Calculator to Predict ...
Least square minimisation was applied to the linear transform to derive a series of weights whiles two neural networks, Multi-Layer Feedforward Network (MLFN) and Probabilistic Neural Network (PNN), were used for nonlinear transform weight derivation. The PNN was used due to its ability to ...
where a second derivation is provided based in the fact that the MTTF is the sum mean times leading to the first and second failure: TMR is more reliable than a single module up to the crossover point: tc. 3r2−2r3⩾r or 2r2−3r+1⩽0. The solution r=1/2 leads to tc⩽...
For deriving equalities between process terms we can use all instantiations of the axioms and the usual laws of equational logic. These are reflexivity, symmetry, transitivity, and Leibniz's rule. As a simple example, we present the derivation that the empty process is a right unit for interwor...
The effort of manual derivation is not too significant. However, a large number of DOFs for elements, a complex element displacement pattern, and the appearance of a higher-order derivative and multiple integrals in the total potential energy expression would lead to cumbersome effort in manual ...
Note that although the validation logic of the conceptual model can be drawn also for the object-oriented model the logic behind derived attributes does not apply here. This is because in the object-oriented world all attributes are considered derived, even if the derivation is “simply retrieve...
TRADITIONAL DERIVATION OF FORMULA Traditionally the application oftrigonometryto determine the origin of an impact event that distributed blood drops has been based on a series of theorems and assumptions: 1. A spherical drop makes an elliptical cross-sectional at contact with a surface (Figure 4-2...
except that the assumed temperature must first be used by trial and error to determine the quantities of products in the combustion equation before proceeding to the energy comparison, which is unlikely to balance at the first attempt. Derivation of the correct temperature is usually possible by li...
As for rotating surface, Taghavi [88] first gave a detailed theoretical derivation process with the consideration of external and centrifugal force. The effects of dimensionless parameters group including ratio of external and centrifugal force (σ), Stefan number (Ste) and Prandtl number (Pr) on ...
7.4.2.1 Derivation of a Practical Power Loss Estimator An instantaneous power loss estimator, applicable to the surface mount PMSM, is developed here. Note that most high-performance motion control applications utilize the surface mount PMSM. All derivations are based on the following assumptions: ...