نتایج جستجو برای: absolute value equation levenberg marquardt approach conjugate subgradient
تعداد نتایج: 2197530 فیلتر نتایج به سال:
Concrete produced with ordinary Portland cement (OPC) along insertion of supplementary materials increases the level nonlinearity. Due to this increased non-linearity and difficulty in modeling numerically, focus has on exploration computational intelligent models like artificial neural network (ANN) estimate different concrete properties. In study, a quaternary blend was developed OPC, fly ash...
In a modern small gasoline engine fuel injection system, the load of the engine is estimated based on the measurement of the manifold absolute pressure (MAP) sensor, which took place in the intake manifold. This paper present a more economical approach on estimating the MAP by using only the measurements of the throttle position and engine speed, resulting in lower implementation cost. The esti...
A non-Newtonian stagnation point fluid flow towards two different inclined heated surfaces is mathematically formulated with pertinent effects, namely mixed convection, viscous dissipation, thermal radiations, heat generation, and temperature-dependent conductivity. Mass transfer additionally considered by the use of a concentration equation. The narrating equations are solved numerically using...
the aim of this study was to estimate suspended sediment by the ann model, dt with cart algorithm and different types of src, in ten stations from the lorestan province of iran. the results showed that the accuracy of ann with levenberg-marquardt back propagation algorithm is more than the two other models, especially in high discharges. comparison of different intervals in models showed that r...
This paper presents a novel approach for estimating the geometric distance from a given point to the corresponding implicit quadric curve/surface. The proposed estimation is based on the height of a tetrahedron, which is used as a coarse but reliable estimation of the real distance. The estimated distance is then used for finding the best set of quadric parameters, by means of the Levenberg-Mar...
This paper makes two principal contributions. The first is that there appears to be no previous a description in the research literature of an artificial neural network implementation on a graphics processor unit (GPU) that uses the Levenberg-Marquardt (LM) training method. The second is an initial attempt at determining when it is computationally beneficial to exploit a GPU’s parallel nature i...
Like common stocks, Bitcoin price fluctuations are non-stationary and highly noisy. Due to attractiveness of in terms returns risk, prediction is attracting a growing attention from both investors researchers. Indeed, with the development machine learning especially deep learning, forecasting receiving particular interest. We implement apply forward neural network (DFFNN) for analysis high-freq...
It is important to understand and forecast a typical or a particularly household daily consumption in order to design and size suitable renewable energy systems and energy storage. In this research for Short Term Load Forecasting (STLF) it has been used Artificial Neural Networks (ANN) and, despite the consumption unpredictability, it has been shown the possibility to forecast the electricity c...
We present an automatic subpixel registration algorithm that minimizes the mean square intensity difference between a reference and a test data set, which can be either images (two-dimensional) or volumes (three-dimensional). It uses an explicit spline representation of the images in conjunction with spline processing, and is based on a coarse-to-fine iterative strategy (pyramid approach). The ...
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