math104-s21:s:zheyuanhu
Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision | ||
|
math104-s21:s:zheyuanhu [2021/09/01 17:12] 111.225.148.17 ↷ Links adapted because of a move operation |
math104-s21:s:zheyuanhu [2026/02/21 14:41] (current) |
||
|---|---|---|---|
| Line 1: | Line 1: | ||
| Questions: | Questions: | ||
| - From the lecture on April 15th | - From the lecture on April 15th | ||
| - | - {{math104-2021sp: | + | - {{math104-s21: |
| * I cannot think of why $x^2$ is an example of f(x) ≠ P_x0(x) | * I cannot think of why $x^2$ is an example of f(x) ≠ P_x0(x) | ||
| * I tried fixing $x_0 = 0$, so $P_0(x) = ∑ c_n \cdot (x)^n$, where $\alpha = lim sup |c_n|^{1/n} = 1$, so $R=1$ | * I tried fixing $x_0 = 0$, so $P_0(x) = ∑ c_n \cdot (x)^n$, where $\alpha = lim sup |c_n|^{1/n} = 1$, so $R=1$ | ||
| * Then $f(0.5) = 0.25 = P_0(0.5) = 0 + 0 + 1 * 0.5 ^ 2 + 0 + ... + 0$ | * Then $f(0.5) = 0.25 = P_0(0.5) = 0 + 0 + 1 * 0.5 ^ 2 + 0 + ... + 0$ | ||
| - A question from my friend, finding open cover | - A question from my friend, finding open cover | ||
| - | - {{math104-2021sp: | + | - {{math104-s21: |
| - My attempt: | - My attempt: | ||
| - | * {{math104-2021sp: | + | * {{math104-s21: |
math104-s21/s/zheyuanhu.1630516371.txt.gz · Last modified: 2026/02/21 14:44 (external edit)
Page Tools
Except where otherwise noted, content on this wiki is licensed under the following license: CC Attribution-Share Alike 4.0 International
