Three advantages: large area, quick effect and easy operation.

Dialectical thinking to see the problem

Second, the basic idea of mathematics

Mathematics has three basic ideas, namely abstraction, reasoning and model. Some of them also add beauty.

1. Summary

Classification, set, correspondence, changeless, sign, finite and infinite.

cause

Induction, deduction, analogy, combination of numbers and shapes, gradual approximation, transformation, operation and axiomatization.

3. Model

Quantization, simplification, optimization, function, equation, statistics