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