From 8ac6051c54b8aa1ad744e98ad3bb7153cdcdc32e Mon Sep 17 00:00:00 2001
From: David Hoese <david.hoese@ssec.wisc.edu>
Date: Sun, 8 Sep 2019 17:04:39 -0500
Subject: [PATCH] Add np.clip and other cleanups
---
slideshow.ipynb | 222 ++++++++++++++++++++++++++++--------------------
1 file changed, 131 insertions(+), 91 deletions(-)
diff --git a/slideshow.ipynb b/slideshow.ipynb
index 53bd260..bfbf1d1 100644
--- a/slideshow.ipynb
+++ b/slideshow.ipynb
@@ -10,7 +10,9 @@
"source": [
"# NumPy - A to Z\n",
"\n",
- "By: David Hoese (@djhoese)"
+ "By: David Hoese (@djhoese)\n",
+ "\n",
+ "**https://gitlab.ssec.wisc.edu/ssec-dev/numpy-atoz**"
]
},
{
@@ -30,24 +32,13 @@
},
{
"cell_type": "code",
- "execution_count": 1,
+ "execution_count": null,
"metadata": {
"slideshow": {
"slide_type": "fragment"
}
},
- "outputs": [
- {
- "data": {
- "text/plain": [
- "[1, 2, 3]"
- ]
- },
- "execution_count": 1,
- "metadata": {},
- "output_type": "execute_result"
- }
- ],
+ "outputs": [],
"source": [
"my_arr = [1, 2, 3]\n",
"my_arr"
@@ -55,24 +46,13 @@
},
{
"cell_type": "code",
- "execution_count": 2,
+ "execution_count": null,
"metadata": {
"slideshow": {
"slide_type": "fragment"
}
},
- "outputs": [
- {
- "data": {
- "text/plain": [
- "[6, 7, 8]"
- ]
- },
- "execution_count": 2,
- "metadata": {},
- "output_type": "execute_result"
- }
- ],
+ "outputs": [],
"source": [
"result = []\n",
"for val in my_arr:\n",
@@ -856,7 +836,8 @@
" 7.29166667, 7.75 , 8.20833333, 8.66666667, 9.125 ,\n",
" 9.58333333, 10.04166667, 10.5 , 10.95833333, 11.41666667,\n",
" 11.875 , 12.33333333, 12.79166667, 13.25 , 13.70833333,\n",
- " 14.16666667, 14.625 , 15.08333333, 15.54166667, 16. ]), 0.4583333333333333)"
+ " 14.16666667, 14.625 , 15.08333333, 15.54166667, 16. ]),\n",
+ " 0.4583333333333333)"
]
},
"execution_count": 32,
@@ -1099,8 +1080,8 @@
{
"data": {
"text/plain": [
- "array([[0.41545787, 0.0157101 ],\n",
- " [0.54952562, 0.38949899]])"
+ "array([[0.79931986, 0.74795771],\n",
+ " [0.12213411, 0.79055517]])"
]
},
"execution_count": 41,
@@ -1125,7 +1106,7 @@
{
"data": {
"text/plain": [
- "7"
+ "5"
]
},
"execution_count": 42,
@@ -1149,8 +1130,8 @@
{
"data": {
"text/plain": [
- "array([[13, 10, 14],\n",
- " [ 5, 5, 13]])"
+ "array([[ 8, 7, 6],\n",
+ " [12, 14, 6]])"
]
},
"execution_count": 43,
@@ -2203,11 +2184,11 @@
{
"data": {
"text/plain": [
- "array([[ True, False, True, True, True, False, False, False],\n",
+ "array([[False, True, False, False, False, True, True, False],\n",
+ " [False, False, True, False, True, True, False, False],\n",
" [False, False, False, False, False, False, False, False],\n",
- " [False, False, False, False, True, False, False, False],\n",
- " [False, True, False, False, False, False, False, False],\n",
- " [False, True, False, False, True, False, True, True]])"
+ " [ True, True, False, True, False, False, False, False],\n",
+ " [ True, False, False, True, False, True, False, False]])"
]
},
"execution_count": 82,
@@ -2231,7 +2212,7 @@
{
"data": {
"text/plain": [
- "array([ 0, 2, 3, 4, 20, 25, 33, 36, 38, 39])"
+ "array([ 1, 5, 6, 10, 12, 13, 24, 25, 27, 32, 35, 37])"
]
},
"execution_count": 83,
@@ -2255,7 +2236,7 @@
{
"data": {
"text/plain": [
- "array([ 0, 4, 6, 8, 40, 50, 66, 72, 76, 78])"
+ "array([ 2, 10, 12, 20, 24, 26, 48, 50, 54, 64, 70, 74])"
]
},
"execution_count": 84,
@@ -2279,11 +2260,11 @@
{
"data": {
"text/plain": [
- "array([[ 0, 1, 0, 0, 0, 5, 6, 7],\n",
- " [ 8, 9, 10, 11, 12, 13, 14, 15],\n",
- " [16, 17, 18, 19, 0, 21, 22, 23],\n",
- " [24, 0, 26, 27, 28, 29, 30, 31],\n",
- " [32, 0, 34, 35, 0, 37, 0, 0]])"
+ "array([[ 0, 0, 2, 3, 4, 0, 0, 7],\n",
+ " [ 8, 9, 0, 11, 0, 0, 14, 15],\n",
+ " [16, 17, 18, 19, 20, 21, 22, 23],\n",
+ " [ 0, 0, 26, 0, 28, 29, 30, 31],\n",
+ " [ 0, 33, 34, 0, 36, 0, 38, 39]])"
]
},
"execution_count": 85,
@@ -2309,11 +2290,11 @@
{
"data": {
"text/plain": [
- "array([[ 0, 101, 2, 3, 4, 105, 106, 107],\n",
- " [108, 109, 110, 111, 112, 113, 114, 115],\n",
- " [116, 117, 118, 119, 20, 121, 122, 123],\n",
- " [124, 25, 126, 127, 128, 129, 130, 131],\n",
- " [132, 33, 134, 135, 36, 137, 38, 39]])"
+ "array([[100, 1, 102, 103, 104, 5, 6, 107],\n",
+ " [108, 109, 10, 111, 12, 13, 114, 115],\n",
+ " [116, 117, 118, 119, 120, 121, 122, 123],\n",
+ " [ 24, 25, 126, 27, 128, 129, 130, 131],\n",
+ " [ 32, 133, 134, 35, 136, 37, 138, 139]])"
]
},
"execution_count": 86,
@@ -2335,7 +2316,7 @@
}
},
"source": [
- "What if we wanted the locations of where things are True?"
+ "What if we wanted the **locations** of where things are True?"
]
},
{
@@ -2346,11 +2327,11 @@
{
"data": {
"text/plain": [
- "array([[13, 9, 13, 13, 16, 8, 11, 12],\n",
- " [ 9, 7, 9, 5, 10, 7, 6, 12],\n",
- " [ 6, 10, 7, 6, 14, 5, 7, 6],\n",
- " [10, 16, 9, 12, 7, 6, 11, 9],\n",
- " [12, 16, 11, 7, 14, 11, 16, 13]])"
+ "array([[ 9, 16, 7, 12, 10, 16, 13, 9],\n",
+ " [ 8, 11, 15, 7, 14, 15, 9, 12],\n",
+ " [10, 12, 9, 5, 5, 5, 8, 9],\n",
+ " [14, 14, 10, 15, 11, 8, 6, 8],\n",
+ " [16, 6, 11, 14, 10, 13, 11, 6]])"
]
},
"execution_count": 87,
@@ -2374,7 +2355,8 @@
{
"data": {
"text/plain": [
- "(array([0, 0, 0, 0, 2, 3, 4, 4, 4, 4]), array([0, 2, 3, 4, 4, 1, 1, 4, 6, 7]))"
+ "(array([0, 0, 0, 1, 1, 1, 3, 3, 3, 4, 4, 4]),\n",
+ " array([1, 5, 6, 2, 4, 5, 0, 1, 3, 0, 3, 5]))"
]
},
"execution_count": 88,
@@ -2399,7 +2381,7 @@
{
"data": {
"text/plain": [
- "array([ 0, 2, 3, 4, 20, 25, 33, 36, 38, 39])"
+ "array([ 1, 5, 6, 10, 12, 13, 24, 25, 27, 32, 35, 37])"
]
},
"execution_count": 89,
@@ -2422,6 +2404,7 @@
"# Tons of Functions\n",
"\n",
"* np.sum\n",
+ "* np.clip\n",
"* np.mean\n",
"* np.std\n",
"* np.min\n",
@@ -2481,11 +2464,67 @@
{
"cell_type": "code",
"execution_count": 92,
+ "metadata": {
+ "slideshow": {
+ "slide_type": "subslide"
+ }
+ },
+ "outputs": [
+ {
+ "data": {
+ "text/plain": [
+ "array([[10, 10, 10, 10, 10, 10, 10, 10],\n",
+ " [10, 10, 10, 11, 12, 13, 14, 15],\n",
+ " [16, 17, 18, 19, 20, 21, 22, 23],\n",
+ " [24, 25, 26, 27, 28, 29, 30, 30],\n",
+ " [30, 30, 30, 30, 30, 30, 30, 30]])"
+ ]
+ },
+ "execution_count": 92,
+ "metadata": {},
+ "output_type": "execute_result"
+ }
+ ],
+ "source": [
+ "np.clip(a, 10, 30)"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 93,
"metadata": {
"slideshow": {
"slide_type": "fragment"
}
},
+ "outputs": [
+ {
+ "data": {
+ "text/plain": [
+ "array([[10, 10, 10, 10, 10, 10, 10, 10],\n",
+ " [10, 10, 10, 11, 12, 13, 14, 15],\n",
+ " [16, 17, 18, 19, 20, 21, 22, 23],\n",
+ " [24, 25, 26, 27, 28, 29, 30, 31],\n",
+ " [32, 33, 34, 35, 36, 37, 38, 39]])"
+ ]
+ },
+ "execution_count": 93,
+ "metadata": {},
+ "output_type": "execute_result"
+ }
+ ],
+ "source": [
+ "np.clip(a, 10, None)"
+ ]
+ },
+ {
+ "cell_type": "code",
+ "execution_count": 94,
+ "metadata": {
+ "slideshow": {
+ "slide_type": "subslide"
+ }
+ },
"outputs": [
{
"data": {
@@ -2493,7 +2532,7 @@
"0"
]
},
- "execution_count": 92,
+ "execution_count": 94,
"metadata": {},
"output_type": "execute_result"
}
@@ -2504,7 +2543,7 @@
},
{
"cell_type": "code",
- "execution_count": 93,
+ "execution_count": 95,
"metadata": {
"slideshow": {
"slide_type": "fragment"
@@ -2517,7 +2556,7 @@
"array([ 0, 8, 16, 24, 32])"
]
},
- "execution_count": 93,
+ "execution_count": 95,
"metadata": {},
"output_type": "execute_result"
}
@@ -2528,7 +2567,7 @@
},
{
"cell_type": "code",
- "execution_count": 94,
+ "execution_count": 96,
"metadata": {
"slideshow": {
"slide_type": "subslide"
@@ -2541,7 +2580,7 @@
"39"
]
},
- "execution_count": 94,
+ "execution_count": 96,
"metadata": {},
"output_type": "execute_result"
}
@@ -2552,7 +2591,7 @@
},
{
"cell_type": "code",
- "execution_count": 95,
+ "execution_count": 97,
"metadata": {
"slideshow": {
"slide_type": "fragment"
@@ -2565,7 +2604,7 @@
"(4, 7)"
]
},
- "execution_count": 95,
+ "execution_count": 97,
"metadata": {},
"output_type": "execute_result"
}
@@ -2591,7 +2630,7 @@
},
{
"cell_type": "code",
- "execution_count": 96,
+ "execution_count": 98,
"metadata": {},
"outputs": [
{
@@ -2602,7 +2641,7 @@
" fill_value=999999)"
]
},
- "execution_count": 96,
+ "execution_count": 98,
"metadata": {},
"output_type": "execute_result"
}
@@ -2614,7 +2653,7 @@
},
{
"cell_type": "code",
- "execution_count": 97,
+ "execution_count": 99,
"metadata": {},
"outputs": [
{
@@ -2625,7 +2664,7 @@
" fill_value=999999)"
]
},
- "execution_count": 97,
+ "execution_count": 99,
"metadata": {},
"output_type": "execute_result"
}
@@ -2636,7 +2675,7 @@
},
{
"cell_type": "code",
- "execution_count": 98,
+ "execution_count": 100,
"metadata": {
"slideshow": {
"slide_type": "subslide"
@@ -2649,7 +2688,7 @@
"array([1, 2, 3])"
]
},
- "execution_count": 98,
+ "execution_count": 100,
"metadata": {},
"output_type": "execute_result"
}
@@ -2660,7 +2699,7 @@
},
{
"cell_type": "code",
- "execution_count": 99,
+ "execution_count": 101,
"metadata": {
"slideshow": {
"slide_type": "fragment"
@@ -2673,7 +2712,7 @@
"array([False, True, False])"
]
},
- "execution_count": 99,
+ "execution_count": 101,
"metadata": {},
"output_type": "execute_result"
}
@@ -2684,7 +2723,7 @@
},
{
"cell_type": "code",
- "execution_count": 100,
+ "execution_count": 102,
"metadata": {
"slideshow": {
"slide_type": "fragment"
@@ -2697,7 +2736,7 @@
"array([1, 0, 3])"
]
},
- "execution_count": 100,
+ "execution_count": 102,
"metadata": {},
"output_type": "execute_result"
}
@@ -2708,7 +2747,7 @@
},
{
"cell_type": "code",
- "execution_count": 101,
+ "execution_count": 103,
"metadata": {
"slideshow": {
"slide_type": "subslide"
@@ -2723,7 +2762,7 @@
" fill_value=999999)"
]
},
- "execution_count": 101,
+ "execution_count": 103,
"metadata": {},
"output_type": "execute_result"
}
@@ -2750,7 +2789,7 @@
},
{
"cell_type": "code",
- "execution_count": 102,
+ "execution_count": 104,
"metadata": {},
"outputs": [],
"source": [
@@ -2771,7 +2810,7 @@
},
{
"cell_type": "code",
- "execution_count": 103,
+ "execution_count": 105,
"metadata": {},
"outputs": [],
"source": [
@@ -2798,7 +2837,7 @@
},
{
"cell_type": "code",
- "execution_count": 104,
+ "execution_count": 106,
"metadata": {
"slideshow": {
"slide_type": "fragment"
@@ -2822,7 +2861,7 @@
},
{
"cell_type": "code",
- "execution_count": 105,
+ "execution_count": 107,
"metadata": {},
"outputs": [],
"source": [
@@ -2831,7 +2870,7 @@
},
{
"cell_type": "code",
- "execution_count": 106,
+ "execution_count": 108,
"metadata": {
"slideshow": {
"slide_type": "fragment"
@@ -2844,7 +2883,7 @@
"memmap([0, 1, 2, 3, 4], dtype=uint8)"
]
},
- "execution_count": 106,
+ "execution_count": 108,
"metadata": {},
"output_type": "execute_result"
}
@@ -2876,7 +2915,7 @@
},
{
"cell_type": "code",
- "execution_count": 107,
+ "execution_count": 109,
"metadata": {},
"outputs": [],
"source": [
@@ -2887,7 +2926,7 @@
},
{
"cell_type": "code",
- "execution_count": 108,
+ "execution_count": 110,
"metadata": {
"slideshow": {
"slide_type": "fragment"
@@ -2897,10 +2936,10 @@
{
"data": {
"text/plain": [
- "<numpy.lib.npyio.NpzFile at 0x10a99ce80>"
+ "<numpy.lib.npyio.NpzFile at 0x7febaa57b908>"
]
},
- "execution_count": 108,
+ "execution_count": 110,
"metadata": {},
"output_type": "execute_result"
}
@@ -2912,7 +2951,7 @@
},
{
"cell_type": "code",
- "execution_count": 109,
+ "execution_count": 111,
"metadata": {
"slideshow": {
"slide_type": "fragment"
@@ -2925,7 +2964,7 @@
"['my_var1', 'my_var2']"
]
},
- "execution_count": 109,
+ "execution_count": 111,
"metadata": {},
"output_type": "execute_result"
}
@@ -2936,7 +2975,7 @@
},
{
"cell_type": "code",
- "execution_count": 110,
+ "execution_count": 112,
"metadata": {},
"outputs": [
{
@@ -2945,7 +2984,7 @@
"array([0, 1, 2, 3, 4], dtype=uint8)"
]
},
- "execution_count": 110,
+ "execution_count": 112,
"metadata": {},
"output_type": "execute_result"
}
@@ -2990,7 +3029,8 @@
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.7.3"
- }
+ },
+ "title": "NumPy - A to Z"
},
"nbformat": 4,
"nbformat_minor": 4
--
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