Gradient of a quadratic graph This is a quadratic graph with equation y = x2 y We can estimate the gradient of this graph at the point (2,4) by considering points just above and just below x= 2 ie x = 2.1 and x
Journal of Marine Science and Engineering Article On the Sparse Gradient Denoising Optimization of Neural Network Models for Rolling Bearing Fault Diagnosis Illustrated by a Ship Propulsion System Shuangzhong Wang 1,† , Ying Zhang 2,*,† , Bin Zhang 2, Yuejun Fei 3, Yong He 3, Peng Li...