→ anki-sin-cos/

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neingeist 2020-01-10 14:32:59 +01:00
parent 350891a6fa
commit 8ee526f85b
2 changed files with 1 additions and 1 deletions

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#!/usr/bin/env python3
from collections import OrderedDict
from functools import reduce
from sympy import latex, simplify
from sympy import pi, sin, cos, tan
def anki_latex(e):
"""Format SymPy expression as Anki LaTeX"""
return "[$$]" + latex(e) + "[/$$]"
def as_csv(*values):
return reduce(lambda a, b: a + ";" + b, values)
def deduplicate(iterable):
return list(OrderedDict.fromkeys(iterable))
xs = sorted(deduplicate(map(simplify,
[i * pi / 4 for i in range(-16, 16)]
+ [i * pi / 6 for i in range(-24, 24)])))
for x in xs:
for f in [sin, cos, tan]:
front = "What is " + anki_latex(f(x, evaluate=False)) + "?"
back = anki_latex(f(x))
print(as_csv(front, back))