Numerical solution of nonlinear singular initial value problems of Emden–Fowler type using Chebyshev Neural Network method

2015 ◽  
Vol 149 ◽  
pp. 975-982 ◽  
Author(s):  
Susmita Mall ◽  
S. Chakraverty
2016 ◽  
Vol 5 (3) ◽  
pp. 182
Author(s):  
Sarkhosh Seddighi Chaharborj ◽  
Yaghoub Mahmoudi

In this paper the second order non-linear ordinary differential equations of Lane-Emden type as singular initial value problems using Chebyshev Neural Network (ChNN) with linear and nonlinear active functions has been studied. Active functions as, \(\texttt{F(z)=z}, \texttt{sinh(x)}, \texttt{tanh(z)}\) are considered to find the numerical results with high accuracy. Numerical results from Chebyshev Neural Network shows that linear active function has more accuracy and is more convenient compare to other functions.


Methods for evaluation the manufacturability of a vehicle in the field of production and operation based on an energy indicator, expert estimates and usage of a neural network are stated. By using the neural network method the manufacturability of a car in a complex and for individual units is considered. The preparation of the initial data at usage a neural network for predicting the manufacturability of a vehicle is shown; the training algorithm and the architecture for calculating the manufacturability of the main units are given. According to the calculation results, comparative data on the manufacturability vehicles of various brands are given.


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