Questions - ASKSAGE: Sage Q&A Forum

48

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1

answer

no

votes

2017-08-23 15:38:04 -0500 fidbc

how to plot vertical lines

62

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3

answers

2

votes

2017-08-23 03:20:37 -0500 mforets

Should I / how should I make an optional sage package?

69

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1

answer

no

votes

2017-08-22 08:20:52 -0500 A

how to find the number of trees on 18 vertices that have diameter=5 and product of 2nd smallest laplacian eigenvalue(algebraic connectivity)and largest laplacian eigenvalue is equal to 1. If we increase the number of vertices say above 18 why it gives no result?

115

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1

answer

1

vote

2017-08-21 11:08:35 -0500 David Coudert

Changing the weights in a graph

weighted-graph

124

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1

answer

no

votes

2017-08-21 01:47:15 -0500 pipedream0

Read-only Sage" Error

57

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2

answers

1

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2017-08-20 12:24:14 -0500 dan_fulea

Argand diagram plot

35

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1

answer

no

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2017-08-19 13:16:54 -0500 fidbc

fractional_chromatic_index in sage-7.6 gets stuck in loop adding constraints

39

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1

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no

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2017-08-19 10:37:22 -0500 kcrisman

What is the difference between .sage and .sagesw?

45

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1

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no

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2017-08-19 09:46:42 -0500 ndomes

Defining functions acting on matrix elements?

35

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2

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no

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2017-08-19 07:42:44 -0500 dan_fulea

real_part of an equation [closed]

159

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no

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1

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2017-08-18 12:55:09 -0500 kcrisman

Build Error when Uploading Notebooks in Sage

74

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2

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no

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2017-08-18 12:51:49 -0500 kcrisman

how one can obtain eigenvalue and eigenvectors from a list of matrices at a single step

33

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no

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-1

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2017-08-18 05:29:56 -0500 Anonymous

use while loop to check a number is prime or not

18

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no

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no

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2017-08-17 17:36:31 -0500 Doeke

Implicit plot with squaring and absolute value produces empty plot

26

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no

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no

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2017-08-17 16:05:54 -0500 tavianator

Why does assume() mess with equality checks?

85

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2

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no

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2017-08-17 07:31:15 -0500 B r u n o

Why does $\frac{2}{3} t - \frac{2}{3} y$ factors only when the variables are polynomial ring over the rational numbers?

factor

14

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no

answers

no

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2017-08-17 03:27:55 -0500 Gambit

Obtaining the phase spectrum with continuous wavelet transform

cwt

26

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1

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no

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2017-08-16 21:30:32 -0500 Anonymous

solve memory problem in my program

98

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2

answers

1

vote

2017-08-16 20:55:48 -0500 Fusion809

How to calculate the double factorial in SageMath?

special_functions

25

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1

answer

no

votes

2017-08-16 13:12:26 -0500 psp

import CSV in python using jupyter notebook on cocalc cloud

149

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1

answer

no

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2017-08-15 15:16:01 -0500 fidbc

"Cocalc is on standby...click to resume"

44

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1

answer

no

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2017-08-15 02:41:08 -0500 tmonteil

How to Update Sage from PPA to binaries

75

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1

answer

1

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2017-08-15 02:13:45 -0500 nbruin

Sage wrongly suggests there are only trivial solutions, why?

33

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no

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no

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2017-08-14 07:26:19 -0500 Mmath

How to list all elements of finite field (e.g., GF(2^5)) with trace 1.

73

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2

answers

1

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2017-08-13 05:24:51 -0500 dan_fulea

how to get a specific eigenvector only for a given eigenvalue of a matrix say of order 2 by 2 or 3 by 3?

50

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2

answers

no

votes

2017-08-12 02:43:28 -0500 vdelecroix

How do we graph sequences

76

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1

answer

no

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2017-08-11 15:59:14 -0500 Richard_L

Behavior of symbolic_sum changed?

symbolic

68

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1

answer

no

votes

2017-08-11 12:23:36 -0500 mforets

How to get sage to keep the same form as an expression from sympy?

sympy
factor

74

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1

answer

1

vote

2017-08-09 04:24:19 -0500 dan_fulea

How to reorder terms in an expression to follow a specific order?

38

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no

answers

1

vote

2017-08-08 13:58:36 -0500 pang

Can I generate 3D plots in isometric projection?

3D-plots

6,273 questions

how to plot vertical lines

Should I / how should I make an optional sage package?

how to find the number of trees on 18 vertices that have diameter=5 and product of 2nd smallest laplacian eigenvalue(algebraic connectivity)and largest laplacian eigenvalue is equal to 1. If we increase the number of vertices say above 18 why it gives no result?

Changing the weights in a graph

Read-only Sage" Error

Argand diagram plot

fractional_chromatic_index in sage-7.6 gets stuck in loop adding constraints

What is the difference between .sage and .sagesw?

Defining functions acting on matrix elements?

real_part of an equation [closed]

Build Error when Uploading Notebooks in Sage

how one can obtain eigenvalue and eigenvectors from a list of matrices at a single step

use while loop to check a number is prime or not

Implicit plot with squaring and absolute value produces empty plot

Why does assume() mess with equality checks?

Why does $\frac{2}{3} t - \frac{2}{3} y$ factors only when the variables are polynomial ring over the rational numbers?

Obtaining the phase spectrum with continuous wavelet transform

solve memory problem in my program

How to calculate the double factorial in SageMath?

import CSV in python using jupyter notebook on cocalc cloud

"Cocalc is on standby...click to resume"

How to Update Sage from PPA to binaries

Sage wrongly suggests there are only trivial solutions, why?

How to list all elements of finite field (e.g., GF(2^5)) with trace 1.

how to get a specific eigenvector only for a given eigenvalue of a matrix say of order 2 by 2 or 3 by 3?

How do we graph sequences

Behavior of symbolic_sum changed?

How to get sage to keep the same form as an expression from sympy?

How to reorder terms in an expression to follow a specific order?

Can I generate 3D plots in isometric projection?

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