Questions - ASKSAGE: Sage Q&A Forum

42

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2

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2021-04-08 10:03:23 +0200 eric_g

Is there a way to define a submanifold of a Euclidean space by providing a list of implicit constraints, instead of by declaring a separate manifold and explicitly defining the embedding?

32

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1

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1

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2021-04-08 09:55:39 +0200 eric_g

Is there a built-in way to integrate a vector or differential form field on an embedded submanifold of Euclidean space?

60

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1

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4

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2021-03-30 16:32:33 +0200 Florentin Jaffredo

Integrating geodesics backwards in time

110

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1

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1

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2021-01-05 08:09:53 +0200 ortollj

problem with giac integration

476

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1

answer

2

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2021-01-03 19:53:59 +0200 Emmanuel Charpentier

Possible bug in Sage-Giac integration interface needs confirmation

56

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1

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no

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2020-11-22 12:40:27 +0200 Emmanuel Charpentier

Maxima needs a change of variable to succeed in an integral

62

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1

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no

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2020-03-29 18:04:46 +0200 vdelecroix

C-STACK overflow during integration

integration

143

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1

answer

no

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2019-07-24 16:06:02 +0200 Emmanuel Charpentier

Problem with integrating the expression of M

304

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1

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no

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2018-11-19 14:03:03 +0200 eric_g

integration - StopIntegration support?

integration

763

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2

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1

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2018-04-10 12:49:57 +0200 dan_fulea

Problem with numerical integral

3k

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1

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3

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2017-09-01 19:23:29 +0200 slelievre

Partial fraction decomposition over the reals or complex

215

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1

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2

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2017-07-13 03:48:26 +0200 dan_fulea

2D integrate fails.

379

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2

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no

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2017-06-30 22:52:06 +0200 kcrisman

Integrating complicated expression with two variables

integration

154

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no

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no

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2017-06-27 23:18:40 +0200 Sasha-dpt

Double-integration and logs

integration

506

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1

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no

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2017-03-29 03:46:53 +0200 calc314

Integrate piecewise function with change of variable

278

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1

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1

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2017-03-11 03:57:55 +0200 paulmasson

Integrating Log(x²+y²)

89

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no

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1

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2016-12-14 01:30:11 +0200 paulmasson

Suppress error warnings from Cythonized code

73

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no

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1

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2016-11-23 20:44:53 +0200 carsten

problems with symbolic integration

91

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no

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1

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2016-10-21 15:48:39 +0200 mhaechre

Integration Over Polygons

88

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2

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1

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2016-06-11 23:16:38 +0200 paulmasson

numerical_integration returns two numbers. What is the second?

137

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1

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1

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2016-03-11 22:49:24 +0200 tmonteil

Observation regarding integration with different algorithms

471

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1

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1

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2016-01-07 01:07:55 +0200 vdelecroix

Numerical Integration Causes Errors

214

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2

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1

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2015-03-28 07:51:42 +0200 nbruin

crash on integral attempt

786

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3

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1

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2015-02-03 15:41:30 +0200 marguin

I don't know why Sage return 0 for integrate(sin(2*x).abs(),(x,0,pi)) when its value is 2

123

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1

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no

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2014-10-05 14:57:17 +0200 vdelecroix

computing integral

475

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1

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1

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2013-12-15 15:19:55 +0200 tmonteil

Compute the volume of a cube region

488

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2

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no

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2013-10-16 22:00:47 +0200 kcrisman

integration ends up with hypergeometric function can not be done by sage

526

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1

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2

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2013-10-09 22:27:33 +0200 dazedANDconfused

Bug in integration of sqrt functions?

98

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no

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no

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2013-10-08 12:52:51 +0200 Kamel

simplify integrate

integration

294

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2

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no

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2013-08-14 23:39:11 +0200 kcrisman

46 questions

Is there a way to define a submanifold of a Euclidean space by providing a list of implicit constraints, instead of by declaring a separate manifold and explicitly defining the embedding?

Is there a built-in way to integrate a vector or differential form field on an embedded submanifold of Euclidean space?

Integrating geodesics backwards in time

problem with giac integration

Possible bug in Sage-Giac integration interface needs confirmation

Maxima needs a change of variable to succeed in an integral

C-STACK overflow during integration

Problem with integrating the expression of M

integration - StopIntegration support?

Problem with numerical integral

Partial fraction decomposition over the reals or complex

2D integrate fails.

Integrating complicated expression with two variables

Double-integration and logs

Integrate piecewise function with change of variable

Integrating Log(x²+y²)

Suppress error warnings from Cythonized code

problems with symbolic integration

Integration Over Polygons

numerical_integration returns two numbers. What is the second?

Observation regarding integration with different algorithms

Numerical Integration Causes Errors

crash on integral attempt

I don't know why Sage return 0 for integrate(sin(2*x).abs(),(x,0,pi)) when its value is 2

computing integral

Compute the volume of a cube region

integration ends up with hypergeometric function can not be done by sage

Bug in integration of sqrt functions?

simplify integrate

Question about error using plot

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