Question

How may I integrate $I = \int_{0}^{a} f(x) x^2 dx $?

score 53 · Answer 1 · 2020-12-10 19:41:59

53

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How may I integrate $I = \int_{0}^{a} f(x) x^2 dx $?

Published on 10 Dec 2020 - 19:41

score 181 · Answer 2 · 2020-12-11 14:59:18

181

Views

Solve $y'' + 2y' + y = 4e^t - 4e^tu(t-1)$, where $u(t-1)$ is the unit step function at $1$, $y(0)=0$ and $y'(0)=0$

Published on 11 Dec 2020 - 14:59

score 510 · Answer 3 · 2026-04-10 04:57:22

510

Views

Prove the definition of Riemann Integration for Step Functions

Published on 10 Apr 2026 - 4:57

score 54 · Answer 4 · 2026-04-04 07:03:29

54

Views

How do I prove that $\int_{-\infty}^x \frac{\sin(ny)}{\pi y}\text{d}y$ tends towards the Heaviside step function?

Published on 04 Apr 2026 - 7:03

score 245 · Answer 5 · 2026-04-11 05:41:17

245

Views

Change of variables for step function before differentiating

Published on 11 Apr 2026 - 5:41

score 29 · Answer 6 · 2026-04-10 19:47:05

29

Views

Derivative of a cumulatively increasing piece-wise constant function. Does my attempt make sense?

Published on 10 Apr 2026 - 19:47

score 197 · Answer 7 · 2026-04-11 03:00:44

197

Views

step function working only for non negative numbers

Published on 11 Apr 2026 - 3:00

score 69 · Answer 8 · 2021-01-08 19:33:03

69

Views

Can a bounded and monotonic function can be approximated by bounded step function?

Published on 08 Jan 2021 - 19:33

score 49 · Answer 9 · 2026-04-11 00:40:13

49

Views

Lp Spaces theorems

Published on 11 Apr 2026 - 0:40

score 49 · Answer 10 · 2026-04-11 15:23:01

49

Views

Query about a proof of Riemann integrability of step/simple functions

Published on 11 Apr 2026 - 15:23

score 35 · Answer 11 · 2021-01-31 20:53:49

35

Views

Find the limit of a step function with two different variables

Published on 31 Jan 2021 - 20:53

score 136 · Answer 12 · 2026-04-11 00:08:22

136

Views

Does $t\delta(t) = 0$?

Published on 11 Apr 2026 - 0:08

score 337 · Answer 13 · 2026-04-04 11:55:12

337

Views

Is $u(t)=u(2t)$ true?

Published on 04 Apr 2026 - 11:55

score 65 · Answer 14 · 2026-03-26 12:06:46

65

Views

Can someone find $\vec{A}$ for this example [found in my TB : Griffith] with this method?

Published on 26 Mar 2026 - 12:06

score 136 · Answer 15 · 2026-03-25 11:13:16

136

Views

What if we take step functions instead of simple functions in the Lebesgue integral

Published on 25 Mar 2026 - 11:13

List Question

How may I integrate $I = \int_{0}^{a} f(x) x^2 dx $?

Solve $y'' + 2y' + y = 4e^t - 4e^tu(t-1)$, where $u(t-1)$ is the unit step function at $1$, $y(0)=0$ and $y'(0)=0$

Prove the definition of Riemann Integration for Step Functions

How do I prove that $\int_{-\infty}^x \frac{\sin(ny)}{\pi y}\text{d}y$ tends towards the Heaviside step function?

Change of variables for step function before differentiating

Derivative of a cumulatively increasing piece-wise constant function. Does my attempt make sense?

step function working only for non negative numbers

Can a bounded and monotonic function can be approximated by bounded step function?

Lp Spaces theorems

Query about a proof of Riemann integrability of step/simple functions

Find the limit of a step function with two different variables

Does $t\delta(t) = 0$?

Is $u(t)=u(2t)$ true?

Can someone find $\vec{A}$ for this example [found in my TB : Griffith] with this method?

What if we take step functions instead of simple functions in the Lebesgue integral

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