Definition:learn from E(experience),solve the T(task),achieve P(proficiency).
1.Supervised learning:
1)regression house prices
2)sorting benign tumors or not. //some time we need to sort infinite characters ,support vector machine can manage.
2.Unsupervised learning:
put the things with same characters together
use Octave
machine learning is like a more practical and comprehensive version of recursion.Since I struggled with recursion while studying C++,machine learning is an exciting and harsh challenge.