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keras-js/notebooks/activations.ipynb

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{
"cells": [
{
"cell_type": "code",
"execution_count": 2,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stderr",
"output_type": "stream",
"text": [
"Using TensorFlow backend.\n"
]
}
],
"source": [
"import numpy as np\n",
"from keras import activations\n",
"from keras import backend as K"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"def format_decimal(arr):\n",
" return [round(x * 1e6) / 1e6 for x in arr]"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### softmax"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.softmax.0] 1D**"
]
},
{
"cell_type": "code",
"execution_count": 12,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, 0.5, -0.1, 1, 2]\n",
"in shape: (6,)\n",
"out shape: (6,)\n",
"out: [0.067194, 0.082071, 0.110784, 0.0608, 0.182652, 0.4965]\n"
]
}
],
"source": [
"data_in = [0, 0.2, 0.5, -0.1, 1, 2]\n",
"data_in_shape = (6,)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.softmax(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.softmax.1] 2D**"
]
},
{
"cell_type": "code",
"execution_count": 14,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, 0.5, -0.1, 1, 2, -0.03, 0.3, 0, 0.8, -0.3, 1]\n",
"in shape: (2, 6)\n",
"out shape: (2, 6)\n",
"out: [0.067194, 0.082071, 0.110784, 0.0608, 0.182652, 0.4965, 0.107768, 0.149902, 0.11105, 0.247147, 0.082268, 0.301865]\n"
]
}
],
"source": [
"data_in = [0, 0.2, 0.5, -0.1, 1, 2, -0.03, 0.3, 0, 0.8, -0.3, 1]\n",
"data_in_shape = (2, 6)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.softmax(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.softmax.2] 1D**"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, 0.5, -0.1, 1, 90]\n",
"in shape: (6,)\n",
"out shape: (6,)\n",
"out: [0.0, 0.0, 0.0, 0.0, 0.0, 1.0]\n"
]
}
],
"source": [
"data_in = [0, 0.2, 0.5, -0.1, 1, 90]\n",
"data_in_shape = (6,)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.softmax(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### softplus"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.softplus.0] 1D**"
]
},
{
"cell_type": "code",
"execution_count": 25,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, 0.5, -0.1, 1, 2]\n",
"in shape: (6,)\n",
"out shape: (6,)\n",
"out: [0.693147, 0.798139, 0.974077, 0.644397, 1.313262, 2.126928]\n"
]
}
],
"source": [
"data_in = [0, 0.2, 0.5, -0.1, 1, 2]\n",
"data_in_shape = (6,)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.softplus(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.softplus.1] 2D**"
]
},
{
"cell_type": "code",
"execution_count": 26,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, 0.5, -0.1, 1, 2, -0.03, 0.3, 0, 0.8, -0.3, 1]\n",
"in shape: (2, 6)\n",
"out shape: (2, 6)\n",
"out: [0.693147, 0.798139, 0.974077, 0.644397, 1.313262, 2.126928, 0.67826, 0.854355, 0.693147, 1.171101, 0.554355, 1.313262]\n"
]
}
],
"source": [
"data_in = [0, 0.2, 0.5, -0.1, 1, 2, -0.03, 0.3, 0, 0.8, -0.3, 1]\n",
"data_in_shape = (2, 6)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.softplus(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.softplus.2] 3D**"
]
},
{
"cell_type": "code",
"execution_count": 27,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, -0.5, -0.1, 1, 2, -0.03, 2.3, 0, 0.8, -0.3, 1]\n",
"in shape: (2, 2, 3)\n",
"out shape: (2, 2, 3)\n",
"out: [0.693147, 0.798139, 0.474077, 0.644397, 1.313262, 2.126928, 0.67826, 2.395545, 0.693147, 1.171101, 0.554355, 1.313262]\n"
]
}
],
"source": [
"data_in = [0, 0.2, -0.5, -0.1, 1, 2, -0.03, 2.3, 0, 0.8, -0.3, 1]\n",
"data_in_shape = (2, 2, 3)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.softplus(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### softsign"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.softsign.0] 1D**"
]
},
{
"cell_type": "code",
"execution_count": 28,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, 0.5, -0.1, 1, 2]\n",
"in shape: (6,)\n",
"out shape: (6,)\n",
"out: [0.0, 0.166667, 0.333333, -0.090909, 0.5, 0.666667]\n"
]
}
],
"source": [
"data_in = [0, 0.2, 0.5, -0.1, 1, 2]\n",
"data_in_shape = (6,)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.softsign(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.softsign.1] 2D**"
]
},
{
"cell_type": "code",
"execution_count": 29,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, 0.5, -0.1, 1, 2, -0.03, 0.3, 0, 0.8, -0.3, 1]\n",
"in shape: (2, 6)\n",
"out shape: (2, 6)\n",
"out: [0.0, 0.166667, 0.333333, -0.090909, 0.5, 0.666667, -0.029126, 0.230769, 0.0, 0.444444, -0.230769, 0.5]\n"
]
}
],
"source": [
"data_in = [0, 0.2, 0.5, -0.1, 1, 2, -0.03, 0.3, 0, 0.8, -0.3, 1]\n",
"data_in_shape = (2, 6)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.softsign(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.softsign.2] 3D**"
]
},
{
"cell_type": "code",
"execution_count": 30,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, -0.5, -0.1, 1, 2, -0.03, 2.3, 0, 0.8, -0.3, 1]\n",
"in shape: (2, 2, 3)\n",
"out shape: (2, 2, 3)\n",
"out: [0.0, 0.166667, -0.333333, -0.090909, 0.5, 0.666667, -0.029126, 0.69697, 0.0, 0.444444, -0.230769, 0.5]\n"
]
}
],
"source": [
"data_in = [0, 0.2, -0.5, -0.1, 1, 2, -0.03, 2.3, 0, 0.8, -0.3, 1]\n",
"data_in_shape = (2, 2, 3)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.softsign(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### ReLU"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.relu.0] 1D**"
]
},
{
"cell_type": "code",
"execution_count": 16,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, 0.5, -0.1, 1, 2]\n",
"in shape: (6,)\n",
"out shape: (6,)\n",
"out: [0.0, 0.2, 0.5, 0.0, 1.0, 2.0]\n"
]
}
],
"source": [
"data_in = [0, 0.2, 0.5, -0.1, 1, 2]\n",
"data_in_shape = (6,)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.relu(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.relu.1] 2D**"
]
},
{
"cell_type": "code",
"execution_count": 17,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, 0.5, -0.1, 1, 2, -0.03, 0.3, 0, 0.8, -0.3, 1]\n",
"in shape: (2, 6)\n",
"out shape: (2, 6)\n",
"out: [0.0, 0.2, 0.5, 0.0, 1.0, 2.0, 0.0, 0.3, 0.0, 0.8, 0.0, 1.0]\n"
]
}
],
"source": [
"data_in = [0, 0.2, 0.5, -0.1, 1, 2, -0.03, 0.3, 0, 0.8, -0.3, 1]\n",
"data_in_shape = (2, 6)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.relu(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.relu.2] 3D**"
]
},
{
"cell_type": "code",
"execution_count": 18,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, -0.5, -0.1, 1, 2, -0.03, 2.3, 0, 0.8, -0.3, 1]\n",
"in shape: (2, 2, 3)\n",
"out shape: (2, 2, 3)\n",
"out: [0.0, 0.2, 0.0, 0.0, 1.0, 2.0, 0.0, 2.3, 0.0, 0.8, 0.0, 1.0]\n"
]
}
],
"source": [
"data_in = [0, 0.2, -0.5, -0.1, 1, 2, -0.03, 2.3, 0, 0.8, -0.3, 1]\n",
"data_in_shape = (2, 2, 3)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.relu(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.relu.3] 3D, max_value=0.5**"
]
},
{
"cell_type": "code",
"execution_count": 19,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, -0.5, -0.1, 1, 2, -0.03, 2.3, 0, 0.8, -0.3, 1]\n",
"in shape: (2, 2, 3)\n",
"out shape: (2, 2, 3)\n",
"out: [0.0, 0.2, 0.0, 0.0, 0.5, 0.5, 0.0, 0.5, 0.0, 0.5, 0.0, 0.5]\n"
]
}
],
"source": [
"data_in = [0, 0.2, -0.5, -0.1, 1, 2, -0.03, 2.3, 0, 0.8, -0.3, 1]\n",
"data_in_shape = (2, 2, 3)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.relu(K.variable(np.array([arr_in])), max_value=0.5)\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.relu.4] 3D, alpha=0.3**"
]
},
{
"cell_type": "code",
"execution_count": 20,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, -0.5, -0.1, 1, 2, -0.03, 2.3, 0, 0.8, -0.3, 1]\n",
"in shape: (2, 2, 3)\n",
"out shape: (2, 2, 3)\n",
"out: [0.0, 0.2, -0.15, -0.03, 1.0, 2.0, -0.009, 2.3, 0.0, 0.8, -0.09, 1.0]\n"
]
}
],
"source": [
"data_in = [0, 0.2, -0.5, -0.1, 1, 2, -0.03, 2.3, 0, 0.8, -0.3, 1]\n",
"data_in_shape = (2, 2, 3)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.relu(K.variable(np.array([arr_in])), alpha=0.3)\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### tanh"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.tanh.0] 1D**"
]
},
{
"cell_type": "code",
"execution_count": 22,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, 0.5, -0.1, 1, 2]\n",
"in shape: (6,)\n",
"out shape: (6,)\n",
"out: [0.0, 0.197375, 0.462117, -0.099668, 0.761594, 0.964028]\n"
]
}
],
"source": [
"data_in = [0, 0.2, 0.5, -0.1, 1, 2]\n",
"data_in_shape = (6,)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.tanh(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.tanh.1] 2D**"
]
},
{
"cell_type": "code",
"execution_count": 23,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, 0.5, -0.1, 1, 2, -0.03, 0.3, 0, 0.8, -0.3, 1]\n",
"in shape: (2, 6)\n",
"out shape: (2, 6)\n",
"out: [0.0, 0.197375, 0.462117, -0.099668, 0.761594, 0.964028, -0.029991, 0.291313, 0.0, 0.664037, -0.291313, 0.761594]\n"
]
}
],
"source": [
"data_in = [0, 0.2, 0.5, -0.1, 1, 2, -0.03, 0.3, 0, 0.8, -0.3, 1]\n",
"data_in_shape = (2, 6)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.tanh(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.tanh.2] 3D**"
]
},
{
"cell_type": "code",
"execution_count": 24,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, -0.5, -0.1, 1, 2, -0.03, 2.3, 0, 0.8, -0.3, 1]\n",
"in shape: (2, 2, 3)\n",
"out shape: (2, 2, 3)\n",
"out: [0.0, 0.197375, -0.462117, -0.099668, 0.761594, 0.964028, -0.029991, 0.980096, 0.0, 0.664037, -0.291313, 0.761594]\n"
]
}
],
"source": [
"data_in = [0, 0.2, -0.5, -0.1, 1, 2, -0.03, 2.3, 0, 0.8, -0.3, 1]\n",
"data_in_shape = (2, 2, 3)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.tanh(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### sigmoid"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.sigmoid.0] 1D**"
]
},
{
"cell_type": "code",
"execution_count": 31,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, 0.5, -0.1, 1, 2]\n",
"in shape: (6,)\n",
"out shape: (6,)\n",
"out: [0.5, 0.549834, 0.622459, 0.475021, 0.731059, 0.880797]\n"
]
}
],
"source": [
"data_in = [0, 0.2, 0.5, -0.1, 1, 2]\n",
"data_in_shape = (6,)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.sigmoid(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.sigmoid.1] 2D**"
]
},
{
"cell_type": "code",
"execution_count": 32,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, 0.5, -0.1, 1, 2, -0.03, 0.3, 0, 0.8, -0.3, 1]\n",
"in shape: (2, 6)\n",
"out shape: (2, 6)\n",
"out: [0.5, 0.549834, 0.622459, 0.475021, 0.731059, 0.880797, 0.492501, 0.574443, 0.5, 0.689974, 0.425557, 0.731059]\n"
]
}
],
"source": [
"data_in = [0, 0.2, 0.5, -0.1, 1, 2, -0.03, 0.3, 0, 0.8, -0.3, 1]\n",
"data_in_shape = (2, 6)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.sigmoid(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.sigmoid.2] 3D**"
]
},
{
"cell_type": "code",
"execution_count": 33,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, -0.5, -0.1, 1, 2, -0.03, 2.3, 0, 0.8, -0.3, 1]\n",
"in shape: (2, 2, 3)\n",
"out shape: (2, 2, 3)\n",
"out: [0.5, 0.549834, 0.377541, 0.475021, 0.731059, 0.880797, 0.492501, 0.908877, 0.5, 0.689974, 0.425557, 0.731059]\n"
]
}
],
"source": [
"data_in = [0, 0.2, -0.5, -0.1, 1, 2, -0.03, 2.3, 0, 0.8, -0.3, 1]\n",
"data_in_shape = (2, 2, 3)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.sigmoid(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### hardSigmoid"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.hardSigmoid.0] 1D**"
]
},
{
"cell_type": "code",
"execution_count": 35,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, 0.5, -0.1, 1, 2]\n",
"in shape: (6,)\n",
"out shape: (6,)\n",
"out: [0.5, 0.54, 0.6, 0.48, 0.7, 0.9]\n"
]
}
],
"source": [
"data_in = [0, 0.2, 0.5, -0.1, 1, 2]\n",
"data_in_shape = (6,)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.hard_sigmoid(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.hardSigmoid.1] 2D**"
]
},
{
"cell_type": "code",
"execution_count": 36,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, 0.5, -0.1, 1, 2, -0.03, 0.3, 0, 0.8, -0.3, 1]\n",
"in shape: (2, 6)\n",
"out shape: (2, 6)\n",
"out: [0.5, 0.54, 0.6, 0.48, 0.7, 0.9, 0.494, 0.56, 0.5, 0.66, 0.44, 0.7]\n"
]
}
],
"source": [
"data_in = [0, 0.2, 0.5, -0.1, 1, 2, -0.03, 0.3, 0, 0.8, -0.3, 1]\n",
"data_in_shape = (2, 6)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.hard_sigmoid(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.hardSigmoid.2] 3D**"
]
},
{
"cell_type": "code",
"execution_count": 37,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, -0.5, -0.1, 1, 2, -0.03, 2.3, 0, 0.8, -0.3, 1]\n",
"in shape: (2, 2, 3)\n",
"out shape: (2, 2, 3)\n",
"out: [0.5, 0.54, 0.4, 0.48, 0.7, 0.9, 0.494, 0.96, 0.5, 0.66, 0.44, 0.7]\n"
]
}
],
"source": [
"data_in = [0, 0.2, -0.5, -0.1, 1, 2, -0.03, 2.3, 0, 0.8, -0.3, 1]\n",
"data_in_shape = (2, 2, 3)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.hard_sigmoid(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### linear"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.linear.0] 1D**"
]
},
{
"cell_type": "code",
"execution_count": 38,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, 0.5, -0.1, 1, 2]\n",
"in shape: (6,)\n",
"out shape: (6,)\n",
"out: [0.0, 0.2, 0.5, -0.1, 1.0, 2.0]\n"
]
}
],
"source": [
"data_in = [0, 0.2, 0.5, -0.1, 1, 2]\n",
"data_in_shape = (6,)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.linear(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.linear.1] 2D**"
]
},
{
"cell_type": "code",
"execution_count": 39,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, 0.5, -0.1, 1, 2, -0.03, 0.3, 0, 0.8, -0.3, 1]\n",
"in shape: (2, 6)\n",
"out shape: (2, 6)\n",
"out: [0.0, 0.2, 0.5, -0.1, 1.0, 2.0, -0.03, 0.3, 0.0, 0.8, -0.3, 1.0]\n"
]
}
],
"source": [
"data_in = [0, 0.2, 0.5, -0.1, 1, 2, -0.03, 0.3, 0, 0.8, -0.3, 1]\n",
"data_in_shape = (2, 6)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.linear(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**[activations.linear.2] 3D**"
]
},
{
"cell_type": "code",
"execution_count": 40,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"in: [0, 0.2, -0.5, -0.1, 1, 2, -0.03, 2.3, 0, 0.8, -0.3, 1]\n",
"in shape: (2, 2, 3)\n",
"out shape: (2, 2, 3)\n",
"out: [0.0, 0.2, -0.5, -0.1, 1.0, 2.0, -0.03, 2.3, 0.0, 0.8, -0.3, 1.0]\n"
]
}
],
"source": [
"data_in = [0, 0.2, -0.5, -0.1, 1, 2, -0.03, 2.3, 0, 0.8, -0.3, 1]\n",
"data_in_shape = (2, 2, 3)\n",
"print('in:', data_in)\n",
"print('in shape:', data_in_shape)\n",
"arr_in = np.array(data_in, dtype='float32').reshape(data_in_shape)\n",
"\n",
"result = activations.linear(K.variable(np.array([arr_in])))\n",
"\n",
"arr_out = K.eval(result)[0]\n",
"print('out shape:', arr_out.shape)\n",
"data_out = format_decimal(arr_out.ravel().tolist())\n",
"print('out:', data_out)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": []
}
],
"metadata": {
"anaconda-cloud": {},
"kernelspec": {
"display_name": "Python [default]",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.5.2"
}
},
"nbformat": 4,
"nbformat_minor": 0
}