sage: more 2d plots, some renaming

Author: haraldschilly

src/sage/api.yaml

@@ -3,7 +3,7 @@
 # License:   Creative Commons: Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
 
 language: sage
-category: Extras / Queries
+category: Miscellaneous / Queries
 ---
 title: Online Encyclopedia of Integer Sequences
 descr: |

src/sage/cython.yaml

@@ -0,0 +1,21 @@
+# CoCalc Snippets Documentation File
+# Copyright: SageMath Inc., 2019
+# License:   Creative Commons: Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
+---
+language: sage
+category: Miscellaneous / Cython
+---
+title: "Cython Class"
+descr: "Defines a [Cython](https://cython.org/) class"
+code: |
+  %cython
+  cdef class MyClass:
+      """
+      This is a Cython class.
+      """
+      cdef int a
+      def __init__(self, int a):
+          self.a = a
+      def __repr__(self):
+          return "Instance of MyClass with a = %s"%self.a
+  print(MyClass(5))

src/sage/files.yaml

@@ -3,7 +3,7 @@
 # License:   Creative Commons: Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
 
 language: sage
-category: Extras / Files
+category: Miscellaneous / Files
 setup: 'import csv'
 ---
 title: Saving/Loading Sage Objects

src/sage/interact.yaml

@@ -3,7 +3,7 @@
 # License:   Creative Commons: Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
 ---
 language: sage
-category: Extras  / Interact
+category: Miscellaneous / Interact
 ---
 title: Introduction
 descr: |

src/sage/milp.yaml

@@ -3,7 +3,7 @@
 # License:   Creative Commons: Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
 ---
 language: sage
-category: Extras / Mixed Integer Linear Programming
+category: Miscellaneous / Mixed Integer Linear Programming
 ---
 title: Simple Linear Program
 descr: |

src/sage/plotting.yaml

@@ -29,14 +29,40 @@ title: Cool 2D Plot
 code: plot(x * sin(x), (x, -10, 10))
 descr: Plot of $f(x) = x \sin(x)$.
 ---
+title: Lines
+code: |
+  line([(0,0), (1,2), (1/2,pi), (1/2,pi/2)], color='darkgreen', thickness=3)
+---
+title: 2D Polygons
+code: |
+  a = polygon2d([(0,0), (1,2), (1/2,pi), (1/2,pi/2)], color='orange')
+  b = polygon2d([(0,0), (1,2), (1/2,pi), (1/2,pi/2)], color='black', fill=False, thickness=3)
+  show(a + b)
+---
+title: Parametric Plots
+code: |
+  parametric_plot([cos(x) + 2*cos(x/4), sin(x) - 2*sin(x/4)], (x,0,8*pi), color='green', thickness=3, fill = True)
+---
+title: Random Walk
+code: |
+  stats.TimeSeries(1000).randomize('normal').sums().plot()
+---
+title: Text
+code: |
+  text(r"Text and LaTeX: $\\alpha^3 + 1$", (1,1), color="black", fontsize=15, rotation=30)
+---
+title: Points
+code: |
+  show(points([(1,0), (sqrt(2)/2,sqrt(2)/2), (0,1), (1/2,1/2)], color='darkgreen', pointsize=50), aspect_ratio=1)
+---
+category: Plotting/3D
+---
 title: Simple 3D Plot
 code: |
   var('x y')
   plot3d(sin(x) * cos(y), (x, -10, 10), (y, -10, 10))
 descr: 3D plot of $f(x,y) = \sin(x)\cos(y)$.
 ---
-category: Plotting/3D
----
 title: "Cube"
 descr: "Show a colored cube"
 code: |