Cryptocurrency Q&A What is an example of injective in real life?

What is an example of injective in real life?

Silvia Silvia Sun Oct 27 2024 | 5 answers 976
I'm looking for a real-world scenario that illustrates the concept of injective. Can someone provide me with a practical example of how injective functions work in our daily lives? What is an example of injective in real life?

5 answers

Rosalia Rosalia Tue Oct 29 2024
One example is the relationship between a student's name and their roll number in a class. Each student has a unique name and a corresponding roll number.

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CherryBlossomPetal CherryBlossomPetal Tue Oct 29 2024
This mapping is injective because no two students can have the same roll number, ensuring that each roll number corresponds to exactly one student.

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Martino Martino Tue Oct 29 2024
Another example is the relationship between a person and their shadow, assuming a single light source. Each person casts a unique shadow, and no two people can cast the same shadow under the same lighting conditions.

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GeishaMelodious GeishaMelodious Tue Oct 29 2024
This scenario also demonstrates an injective function, as each person's shadow is distinct and can be traced back to only one person.

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IncheonBeautyBloom IncheonBeautyBloom Tue Oct 29 2024
Here are several practical illustrations of injective functions.

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