:param index: index of the parameter vector wrt to derivative is to be calculated :return: derivative wrt to that index Note: If index is -1, this means we are calculating summation wrt to biased parameter.
(index)
| 92 | |
| 93 | |
| 94 | def get_cost_derivative(index): |
| 95 | """ |
| 96 | :param index: index of the parameter vector wrt to derivative is to be calculated |
| 97 | :return: derivative wrt to that index |
| 98 | Note: If index is -1, this means we are calculating summation wrt to biased |
| 99 | parameter. |
| 100 | """ |
| 101 | cost_derivative_value = summation_of_cost_derivative(index, m) / m |
| 102 | return cost_derivative_value |
| 103 | |
| 104 | |
| 105 | def run_gradient_descent(): |
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