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(ML) is a type of artificial intelligence (AI) that allows software applications to become more accurate at predicting outcomes without being explicitly programmed to do so. Machine learning algorithms use historical data as input to predict new output va$7.99
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(ML) is a type of artificial intelligence (AI) that allows software applications to become more accurate at predicting outcomes without being explicitly programmed to do so. Machine learning algorithms use historical data as input to predict new output va
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Course
AL3451
Institution
KCG College Of Technology
(ML) is a type of artificial intelligence (AI) that allows software applications to become more accurate at predicting outcomes without being explicitly programmed to do so. Machine learning algorithms use historical data as input to predict new output values.
, Gradient Descent in Machine Learning
Gradient Descent is known as one of the most commonly used optimization algorithms to train
machine learning models by means of minimizing errors between actual and expected results.
Further, gradient descent is also used to train Neural Networks.
A gradient measures how much the output of a function changes if you change the inputs a little bit.
In mathematical terminology, Optimization algorithm refers to the task of minimizing/maximizing
an objective function f(x) parameterized by x.
Similarly, in machine learning, optimization is the task of minimizing the cost function parameterized
by the model's parameters.
The main objective of gradient descent is to minimize the convex function using iteration of parameter updates.
Once these machine learning models are optimized, these models can be used as powerful tools for
Artificial Intelligence and various computer science applications.
Gradient descent finds the nearest minimum of a function(minimize the particular function),
Gradient ascent finds the nearest maximum.(maximize the particular function)
What is Gradient Descent or Steepest Descent?
Gradient descent was initially discovered by "Augustin-Louis Cauchy" in mid of 18th century.
Gradient Descent is defined as one of the most commonly used iterative optimization algorithms of
machine learning to train the machine learning and deep learning models.
It helps in finding the local minimum of a function.
The best way to define the local minimum or local maximum of a function using gradient descent is as follows:
o If we move towards a negative gradient or away from the gradient of the function at the current point, it will
give the local minimum of that function.
o Whenever we move towards a positive gradient or towards the gradient of the function at the current point,
we will get the local maximum of that function.
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