Questions - ASKSAGE: Sage Q&A Forum

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3

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3

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2020-10-02 01:47:46 +0200 cybervigilante

What is the best way to return only real solutions?

solve
real

223

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no

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no

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2019-12-20 19:48:54 +0200 SAGAR

Hi, I have a fifth order polynomial in x whose coefficients depend on a certain variable k. Now, I want to find the real roots of that polynomial for each value of k. [closed]

1k

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2019-04-19 17:00:27 +0200 Iguananaut

Intersection of polynomial Ideals over $\mathbb{R}$

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2

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no

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2019-01-27 20:53:49 +0200 parzan

Convert real matrix into Integer matrix

871

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2

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no

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2018-11-18 20:15:54 +0200 slelievre

solve() is not giving the right solutions

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3

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no

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2018-05-16 19:53:19 +0200 nbruin

Is it possible to change Polynomial Ring in the middle of a computation?

994

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2

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1

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2018-05-14 17:07:35 +0200 florin

inverse_laplace of a fraction whose denominator has real roots (or complex)

519

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1

answer

no

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2017-11-28 09:03:24 +0200 Emmanuel Charpentier

Why is sagemath real numbers arithmetic gives incorrect result?

397

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-1

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2017-10-26 00:29:08 +0200 Realmicpanda

assume(x, 'real') returns non-real values when solving

assume
real

947

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1

answer

2

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2017-09-06 13:50:54 +0200 mforets

a problem with variables in real domains

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1

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no

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2017-03-03 04:53:01 +0200 nbruin

Difference between RealNumber and RealLiteral

6k

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1

answer

3

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2016-06-08 04:35:16 +0200 paulmasson

Using solve() to find positive real solutions to a complex equation

591

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1

answer

1

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2015-10-26 10:40:41 +0200 stan

Unable to simplify function output

593

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1

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no

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2015-05-19 19:32:52 +0200 tmonteil

Problem with assumption (in RR)

404

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2015-04-08 22:46:16 +0200 tmonteil

complex, real, common ring, crash in 'vector' constructor

5k

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4

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5

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2014-06-16 08:13:43 +0200 slelievre

What are the differences between RealDoubleField() and RealField(53) ?

3k

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2

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3

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2013-12-11 10:09:44 +0200 John Cremona

Real Solution of x^3+8 == 0?

9k

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2

answers

13

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2013-04-23 08:26:49 +0200 tmonteil

What are the different real numbers in Sage ?

4k

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2

answers

3

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2012-05-04 13:13:12 +0200 disi

check if the result is a real number

730

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2

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no

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2012-04-28 14:43:02 +0200 petropolis

How to format huge reals?

format
real

16k

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2

answers

1

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2012-02-19 19:10:13 +0200 calc314

Finding Re() and Im() for complex numbers

1k

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1

answer

no

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2011-11-28 21:43:54 +0200 kcrisman

solve gives 1, 2, or 3 answers depending if one value in my equation is a real, rational, or integer

2k

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3

answers

no

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2011-10-29 16:43:46 +0200 saradocbrandi

Problem with solve

solve
real

1k

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1

answer

1

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2011-04-06 16:01:56 +0200 Sagud

SAGE digits!!!

1k

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1

answer

no

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2011-03-19 16:07:00 +0200 benjaminfjones

Additional conditions for expression

4k

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2

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1

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2010-10-07 04:38:27 +0200 Dan Drake

26 questions

What is the best way to return only real solutions?

Hi, I have a fifth order polynomial in x whose coefficients depend on a certain variable k. Now, I want to find the real roots of that polynomial for each value of k. [closed]

Intersection of polynomial Ideals over $\mathbb{R}$

Convert real matrix into Integer matrix

solve() is not giving the right solutions

Is it possible to change Polynomial Ring in the middle of a computation?

inverse_laplace of a fraction whose denominator has real roots (or complex)

Why is sagemath real numbers arithmetic gives incorrect result?

assume(x, 'real') returns non-real values when solving

a problem with variables in real domains

Difference between RealNumber and RealLiteral

Using solve() to find positive real solutions to a complex equation

Unable to simplify function output

Problem with assumption (in RR)

complex, real, common ring, crash in 'vector' constructor

What are the differences between RealDoubleField() and RealField(53) ?

Real Solution of x^3+8 == 0?

What are the different real numbers in Sage ?

check if the result is a real number

How to format huge reals?

Finding Re() and Im() for complex numbers

solve gives 1, 2, or 3 answers depending if one value in my equation is a real, rational, or integer

Problem with solve

SAGE digits!!!

Additional conditions for expression

exponential equation real solution

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