This site contains: mathematics courses and book; covers: image analysis, data analysis, and discrete modelling; provides: image analysis software. Created and run by Peter Saveliev.
Given a function f: X → Y, its inverse is a function f-1: Y → X satisfying:
f-1f = idX and
ff-1 = idY.
Such a function exists when f is invertible or bijective. Then f-1 is unique.
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