Exp derivative.

corywalker · Sep 23, 2017 · be87522 · be87522
1 parent a1310f6
commit be87522
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Showing 3 changed files with 4 additions and 2 deletions.
diff --git a/expreduce/evalstate.go b/expreduce/evalstate.go
@@ -138,6 +138,7 @@ func (es *EvalState) Init(loadAllDefs bool) {
 		es.MarkSeen("System`Stub")
 		es.MarkSeen("System`$Failed")
 
+		es.MarkSeen("System`Exp")
 		es.MarkSeen("System`AppellF1")
 
 		es.MarkSeen("System`Cosh")

diff --git a/expreduce/resources.go b/expreduce/resources.go
diff --git a/expreduce/resources/calculus.m b/expreduce/resources/calculus.m
@@ -13,6 +13,7 @@
 D[Log[a_], x_] := D[a, x]/a;
 D[Sin[a_], x_] := D[a,x] Cos[a];
 D[Cos[a_], x_] := -D[a,x] Sin[a];
+D[Exp[x_Symbol], x_Symbol] := Exp[x];
 Attributes[D] = {ReadProtected, Protected};
 Tests`D = {
     ESimpleExamples[