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authorJay Belanger <jay.p.belanger@gmail.com>2005-02-15 19:26:07 +0000
committerJay Belanger <jay.p.belanger@gmail.com>2005-02-15 19:26:07 +0000
commit6fc5a7dac1cb8911889aac15693f457fe8b431a7 (patch)
tree57e2325b57ef65704413c86ffe49a8872c439ae1 /lisp/calc
parentf53e6c20ff22960cd73011af689ba70d955c6757 (diff)
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(calc-DistribRules, calc-NegateRules): Add rules.
Diffstat (limited to 'lisp/calc')
-rw-r--r--lisp/calc/calc-rules.el10
1 files changed, 10 insertions, 0 deletions
diff --git a/lisp/calc/calc-rules.el b/lisp/calc/calc-rules.el
index 1ccbf3fffac..7a11cfa5012 100644
--- a/lisp/calc/calc-rules.el
+++ b/lisp/calc/calc-rules.el
@@ -153,10 +153,14 @@ tan(select(2 a)) := 2 tan(select(a)) / (1 - tan(a)^2),
tan(select(n a)) := (tan((n-1) select(a)) + tan(a)) /
(1 - tan((n-1) a) tan(a))
:: integer(n) :: n > 2,
+cot(select(a + b)) := (cot(select(a)) cot(b) - 1) /
+ (cot(a) + cot(b)),
sinh(select(a + b)) := sinh(select(a)) cosh(b) + cosh(a) sinh(b),
cosh(select(a + b)) := cosh(select(a)) cosh(b) + sinh(a) sinh(b),
tanh(select(a + b)) := (tanh(select(a)) + tanh(b)) /
(1 + tanh(a) tanh(b)),
+coth(select(a + b)) := (coth(select(a)) coth(b) + 1) /
+ (coth(a) + coth(b)),
x && select(a || b) := (x && select(a)) || (x && b),
select(a || b) && x := (select(a) && x) || (b && x),
! select(a && b) := (!a) || (!b),
@@ -269,12 +273,18 @@ exp(select(x)) := 1 / exp(select(-x)),
sin(select(x)) := -sin(select(-x)),
cos(select(x)) := cos(select(-x)),
tan(select(x)) := -tan(select(-x)),
+sec(select(x)) := sec(select(-x)),
+csc(select(x)) := -csc(select(-x)),
+cot(select(x)) := -cot(select(-x)),
arcsin(select(x)) := -arcsin(select(-x)),
arccos(select(x)) := 4 arctan(1) - arccos(select(-x)),
arctan(select(x)) := -arctan(select(-x)),
sinh(select(x)) := -sinh(select(-x)),
cosh(select(x)) := cosh(select(-x)),
tanh(select(x)) := -tanh(select(-x)),
+sech(select(x)) := sech(select(-x)),
+csch(select(x)) := -csch(select(-x)),
+coth(select(x)) := -coth(select(-x)),
arcsinh(select(x)) := -arcsinh(select(-x)),
arctanh(select(x)) := -arctanh(select(-x)),
select(x) = a := select(-x) = -a,