Questions - ASKSAGE: Sage Q&A Forum

7k

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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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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) ?

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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?

3k

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2

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3

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

check if the result is a real number

5k

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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

5k

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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

597

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1

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2

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

a problem with variables in real domains

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2

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1

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

exponential equation real solution

948

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1

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1

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

SAGE digits!!!

14k

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2

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1

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

Finding Re() and Im() for complex numbers

348

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1

answer

1

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

Unable to simplify function output

499

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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)

727

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1

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1

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

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

470

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1

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no

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

Additional conditions for expression

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3

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no

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

Problem with solve

solve
real

973

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1

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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

441

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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

225

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no

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no

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

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

326

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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)

646

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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

236

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1

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no

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

Why is sagemath real numbers arithmetic gives incorrect result?

587

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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?

392

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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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2

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no

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

Convert real matrix into Integer matrix

129

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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]

261

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no

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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

26 questions

What are the different real numbers in Sage ?

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

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

check if the result is a real number

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

What is the best way to return only real solutions?

a problem with variables in real domains

exponential equation real solution

SAGE digits!!!

Finding Re() and Im() for complex numbers

Unable to simplify function output

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

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

Additional conditions for expression

Problem with solve

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

How to format huge reals?

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

Problem with assumption (in RR)

Difference between RealNumber and RealLiteral

Why is sagemath real numbers arithmetic gives incorrect result?

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

solve() is not giving the right solutions

Convert real matrix into Integer matrix

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]

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

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