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"body": "<div id=\"comment:0\"></div>\n\n\n```\nsage: p = MixedIntegerLinearProgram(solver=\"glpk\")\nsage: bar = p.new_variable(name=\"bar\")\nsage: bar\nMIPVariable of dimension 1\nsage: bar[0]\nx_0\nsage: bar\nMIPVariable of dimension 1\nsage: bar[1]\nx_1\nsage: bar\nMIPVariable of dimension 1\nsage: p.solve()\n0.0\nsage: bar.values()\n[x_0, x_1]\nsage: p.get_values(bar)\n{0: 0.0, 1: 0.0}\n``` \n\nI think the print method should instead of \"dimension 1\" (which apparently means tensor order 1, rather than dimension 1 -- see #17643) print some useful information, such as the name of the variable and the dimension (number of components).\n\n`MIPVariable bar with 7 binary components`\n\n`MIPVariable bar with 5 real components, >= 0, <= 17`\n\n\nCC: @dimpase @videlec @jdemeyer @yuan-zhou\n\nComponent: **numerical**\n\nAuthor: **Yuan Zhou**\n\nBranch/Commit: **[`b2b9b36`](https://github.com/sagemath/sagetrac-mirror/commit/b2b9b366970d9a7aaa25ddfdfab6ef467f412342)**\n\nReviewer: **Matthias Koeppe**\n\n_Issue created by migration from https://trac.sagemath.org/ticket/20331_\n\n",
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"title": "A MIPVariable's repr should include some useful information",
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}sage: p = MixedIntegerLinearProgram(solver="glpk")
sage: bar = p.new_variable(name="bar")
sage: bar
MIPVariable of dimension 1
sage: bar[0]
x_0
sage: bar
MIPVariable of dimension 1
sage: bar[1]
x_1
sage: bar
MIPVariable of dimension 1
sage: p.solve()
0.0
sage: bar.values()
[x_0, x_1]
sage: p.get_values(bar)
{0: 0.0, 1: 0.0}
I think the print method should instead of "dimension 1" (which apparently means tensor order 1, rather than dimension 1 -- see #17643) print some useful information, such as the name of the variable and the dimension (number of components).
MIPVariable bar with 7 binary components
MIPVariable bar with 5 real components, >= 0, <= 17
CC: @dimpase @videlec @jdemeyer @yuan-zhou
Component: numerical
Author: Yuan Zhou
Branch/Commit: b2b9b36
Reviewer: Matthias Koeppe
Issue created by migration from https://trac.sagemath.org/ticket/20331
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"body": "Description changed:\n``````diff\n--- \n+++ \n@@ -16,9 +16,6 @@\n 0.0\n sage: bar.values()\n [x_0, x_1]\n-sage: p.get\n-p.get_backend p.get_min p.get_relative_objective_gap \n-p.get_max p.get_objective_value p.get_values \n sage: p.get_values(bar)\n {0: 0.0, 1: 0.0}\n ``` \n``````\n",
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---
+++
@@ -16,9 +16,6 @@
0.0
sage: bar.values()
[x_0, x_1]
-sage: p.get
-p.get_backend p.get_min p.get_relative_objective_gap
-p.get_max p.get_objective_value p.get_values
sage: p.get_values(bar)
{0: 0.0, 1: 0.0}
``` archive/issue_comments_293079.json:
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"body": "Description changed:\n``````diff\n--- \n+++ \n@@ -22,3 +22,5 @@\n \n I think the print method should also print some useful information, such as the name of the variable.\n \n+Update: Apparently \"dimension\" was supposed to mean something else, see #17463.\n+\n``````\n",
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}Description changed:
---
+++
@@ -22,3 +22,5 @@
I think the print method should also print some useful information, such as the name of the variable.
+Update: Apparently "dimension" was supposed to mean something else, see #17463.
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"body": "Description changed:\n``````diff\n--- \n+++ \n@@ -20,7 +20,6 @@\n {0: 0.0, 1: 0.0}\n ``` \n \n-I think the print method should also print some useful information, such as the name of the variable.\n+I think the print method should instead of \"dimension 1\" (which apparently means tensor order 1, rather than dimension 1 -- see #17643) print some useful information, such as the name of the variable and the dimension (number of components).\n \n-Update: Apparently \"dimension\" was supposed to mean something else, see #17463.\n \n``````\n",
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---
+++
@@ -20,7 +20,6 @@
{0: 0.0, 1: 0.0}
```
-I think the print method should also print some useful information, such as the name of the variable.
+I think the print method should instead of "dimension 1" (which apparently means tensor order 1, rather than dimension 1 -- see #17643) print some useful information, such as the name of the variable and the dimension (number of components).
-Update: Apparently "dimension" was supposed to mean something else, see #17463.
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"body": "Description changed:\n``````diff\n--- \n+++ \n@@ -22,4 +22,7 @@\n \n I think the print method should instead of \"dimension 1\" (which apparently means tensor order 1, rather than dimension 1 -- see #17643) print some useful information, such as the name of the variable and the dimension (number of components).\n \n+`MIPVariable x with 7 binary components`\n \n+`MIPVariable x with 5 real components, >= 0, <= 17`\n+\n``````\n",
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+++
@@ -22,4 +22,7 @@
I think the print method should instead of "dimension 1" (which apparently means tensor order 1, rather than dimension 1 -- see #17643) print some useful information, such as the name of the variable and the dimension (number of components).
+`MIPVariable x with 7 binary components`
+`MIPVariable x with 5 real components, >= 0, <= 17`
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"body": "Description changed:\n``````diff\n--- \n+++ \n@@ -22,7 +22,7 @@\n \n I think the print method should instead of \"dimension 1\" (which apparently means tensor order 1, rather than dimension 1 -- see #17643) print some useful information, such as the name of the variable and the dimension (number of components).\n \n-`MIPVariable x with 7 binary components`\n+`MIPVariable bar with 7 binary components`\n \n-`MIPVariable x with 5 real components, >= 0, <= 17`\n+`MIPVariable bar with 5 real components, >= 0, <= 17`\n \n``````\n",
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+++
@@ -22,7 +22,7 @@
I think the print method should instead of "dimension 1" (which apparently means tensor order 1, rather than dimension 1 -- see #17643) print some useful information, such as the name of the variable and the dimension (number of components).
-`MIPVariable x with 7 binary components`
+`MIPVariable bar with 7 binary components`
-`MIPVariable x with 5 real components, >= 0, <= 17`
+`MIPVariable bar with 5 real components, >= 0, <= 17`
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"body": "<div id=\"comment:9\"></div>\n\nNew commits:\n<table><tr><td><a href=\"https://github.com/sagemath/sagetrac-mirror/commit/dbe38b2c6a92cc470de5607d418113c6ef91fbe6\"><code>dbe38b2</code></a></td><td><code>change MIPVariable's repr to include useful info</code></td></tr></table>\n",
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"body": "<div id=\"comment:10\" align=\"right\">comment:10</div>\n\nIt should be \"0 real components\" (plural)",
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It should be "0 real components" (plural)
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b2b9b36 | zero is followed by plural countable nouns |
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{
"body": "Changed branch from **[u/yzh/a_mipvariable_s_repr_should_include_some_useful_information](https://github.com/sagemath/sagetrac-mirror/tree/u/yzh/a_mipvariable_s_repr_should_include_some_useful_information)** to **[`b2b9b36`](https://github.com/sagemath/sagetrac-mirror/commit/b2b9b366970d9a7aaa25ddfdfab6ef467f412342)**",
"created_at": "2021-06-06T13:19:38Z",
"formatter": "markdown",
"issue": "https://github.com/sagemath/sage/issues/20331",
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"user": "https://github.com/vbraun"
}Changed branch from u/yzh/a_mipvariable_s_repr_should_include_some_useful_information to b2b9b36