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What is a projection in mathematics?

4Jays ∙

Lvl 1

∙ 12y ago

Updated: 4/28/2022

Generally speaking, in mathematics, a projection is a mapping of a set (or of a mathematical structure) which is idempotent, which means that a projection is equal to its composition with itself. A projection may also refer to a mapping which has a left inverse.

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∙ 12y ago

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Continue Learning about Other Math

What is pure math?

Pure Mathematics is the branch of mathematics that deals only with mathematics and how it works - it is the HOW of mathematics. It is abstracted from the real world and provides the "tool box" of mathematics; it includes things like calculus. Applied mathematics is the branch of mathematics which applies the techniques of Pure Mathematics to the real world - it is the WHERE of mathematics; it includes things like mechanics. Pure Mathematics teaches you HOW to integrate, Applied mathematics teaches you WHERE to use integration.

What does mathematics have to do with math?

'Math(s)' is the shortened word for 'Mathematics'. The word 'mathematics' comes from Classical Greece, and means 'to learn'.

What are disadvantages of mathematics?

Only a person who does not understand mathematics is disadvantaged. Mathematics in itself has no disadvantages.

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Is mathematics science?

Depending on what type of science, yes mathematics can be science. Like if you're doing physics that can be mathematics.

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