List questions from analysis

Published on 01 Feb 2018 - 7:27

2k

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How to find extreme points and directions of $\{x:x_1+2x_2\le 4\}$?

Published on 25 Mar 2026 - 1:20

64

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How to compute this limit? Which could be an example that Cauchy's first theorem doesn't hold for infinite limits.

Published on 01 Feb 2018 - 10:09

134

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Question on the $arg$ function

Published on 01 Apr 2026 - 0:10

51

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what is the relation between $\tau _1$ and $\tau _2$?

Published on 27 Mar 2026 - 22:02

125

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Find the limit of $\lim\limits_{x\to0^+}\frac{1}{e} \frac{e- e^ \frac{\ln (1+x)}{x}}{x}$ as $x$

Published on 25 Mar 2026 - 1:18

77

Views

Let $F$ be a field. Show that if $x, y, z \in F $ and $x+z = y+z$ then $x = y.$

Published on 26 Mar 2026 - 13:48

144

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Harnack type Estimates for a p-Poisson equation with constant source term

Published on 02 Apr 2026 - 1:23

93

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Is the "composition" of two dense subsets of functions dense?

Published on 01 Apr 2026 - 15:47

125

Views

Showing a function is Lipschitz

Published on 03 Apr 2026 - 22:18

2.7k

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Use Euler's method to approximate the solution for the following initial value problem.

Published on 01 Feb 2018 - 23:19

50

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The Boundary of derivative

Published on 02 Feb 2018 - 8:35

153

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Limit of $\lim_{x\to 0-} x^4e^{-1/x}$

Published on 02 Feb 2018 - 9:32

153

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How to check uniform continuity on disconnected set

Published on 02 Apr 2026 - 9:30

36

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find a where $\sum_{n=n(a)}^\infty (-1)^n \frac{(2+n^a)}{n}$ converges and absolutely converges

Published on 25 Mar 2026 - 17:33

List Question

Integral geometry

How to find extreme points and directions of $\{x:x_1+2x_2\le 4\}$?

How to compute this limit? Which could be an example that Cauchy's first theorem doesn't hold for infinite limits.

Question on the $arg$ function

what is the relation between $\tau _1$ and $\tau _2$?

Find the limit of $\lim\limits_{x\to0^+}\frac{1}{e} \frac{e- e^ \frac{\ln (1+x)}{x}}{x}$ as $x$

Let $F$ be a field. Show that if $x, y, z \in F $ and $x+z = y+z$ then $x = y.$

Harnack type Estimates for a p-Poisson equation with constant source term

Is the "composition" of two dense subsets of functions dense?

Showing a function is Lipschitz

Use Euler's method to approximate the solution for the following initial value problem.

The Boundary of derivative

Limit of $\lim_{x\to 0-} x^4e^{-1/x}$

How to check uniform continuity on disconnected set

find a where $\sum_{n=n(a)}^\infty (-1)^n \frac{(2+n^a)}{n}$ converges and absolutely converges

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