Taming the epsilon delta definition of limits.

Опубликовано: 22 Июль 2026
на канале: A Curious Mathematician
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The epsilon delta definition of limits makes much more sense with distance functions!

👉 More calculus ideas explored:    • How can we be sure of the limit properties...  

Here are a few other shorter videos where I use the formal definition to show limits and nonlimits:

1) (short) A simple linear function:    • Showing a simple limit with the formal def...  
2) A simple quadratic function:    • The trickiness of x² in an epsilon-delta a...  
3) (short) Showing the negation of the definition of limit:    • Showing a non-limit with epsilon-delta #ca...  

0:00 Intro
0:30 intutive idea of limits
1:00 distance between two numbers?
2:38 distance defines closeness
3:47 building the definition
5:23 visualizing our definition
8:04 when limits don't exist
9:15 an example limit proof
11:30 epsilon and delta are just names.
11:51 try yourself!

#calculus #limits #epsilondelta