implemented data generator for non-linear regression function example

.gitignore

LayerParallelLearning/Data_Generator/function_generator.py

LayerParallelLearning/Data_Generator/main.py

LayerParallelLearning/Data_Generator/nonlin_DG.py

LayerParallelLearning/Data_Generator/nonlin_reg.py

LayerParallelLearning/LReLU.sh

...mples/SSHE_Analytical/single_solution/single_solution.cfg

...rning/examples/SSHE_numerical/Poisson/8_trig/SSHE_num.cfg

...amples/poisson_experiments/exp4_tanh/8_Poly_1/poisson.cfg

...amples/poisson_experiments/exp4_tanh/8_Poly_2/poisson.cfg

...amples/poisson_experiments/exp4_tanh/8_Poly_3/poisson.cfg

...mples/poisson_experiments/exp5_LReLU/8_Poly_1/poisson.cfg

...mples/poisson_experiments/exp5_LReLU/8_Poly_2/poisson.cfg

...mples/poisson_experiments/exp5_LReLU/8_Poly_3/poisson.cfg

LayerParallelLearning/examples/quadratic/quadratic.cfg

LayerParallelLearning/plotting_routines/main.py

LayerParallelLearning/src/main.cpp

LayerParallelLearning/src/network.cpp