Merge pull request AllenDowney#32 from struck89/master

AllenDowney · web-flow · commit 1e800b8426af · 2017-05-16T07:36:13.000-04:00
Update chap02
diff --git a/code/chap02.ipynb b/code/chap02.ipynb
@@ -447,7 +447,7 @@
    "source": [
     "## Amplitude and phase\n",
     "\n",
-    "Make a triangle wave."
+    "Make a sawtooth wave."
    ]
   },
   {
@@ -691,6 +691,7 @@
    "outputs": [],
    "source": [
     "i = complex(0, 1)\n",
+    "spectrum = wave.make_spectrum()\n",
     "spectrum.hs = magnitude * np.exp(i * angle)"
    ]
   },

Original file line number	Diff line number	Diff line change
`@@ -447,7 +447,7 @@`
`447`	`447`	`"source": [`
`448`	`448`	`"## Amplitude and phase\n",`
`449`	`449`	`"\n",`
`450`		`- "Make a triangle wave."`
	`450`	`+ "Make a sawtooth wave."`
`451`	`451`	`]`
`452`	`452`	`},`
`453`	`453`	`{`
`@@ -691,6 +691,7 @@`
`691`	`691`	`"outputs": [],`
`692`	`692`	`"source": [`
`693`	`693`	`"i = complex(0, 1)\n",`
	`694`	`+ "spectrum = wave.make_spectrum()\n",`
`694`	`695`	`"spectrum.hs = magnitude * np.exp(i * angle)"`
`695`	`696`	`]`
`696`	`697`	`},`