notebooks/softmax_demo.ipynb

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   "source": [
    "from math import exp"
   ]
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   "cell_type": "code",
   "execution_count": 13,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "a = [-1.0, 1.0, 5.0]"
   ]
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    "exp(a[0])"
   ]
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    {
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      ]
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     "execution_count": 19,
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     "output_type": "execute_result"
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   "source": [
    "exp(a[1])"
   ]
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   "cell_type": "code",
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   "metadata": {},
   "outputs": [
    {
     "data": {
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       "148.4131591025766"
      ]
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     "execution_count": 20,
     "metadata": {},
     "output_type": "execute_result"
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   "source": [
    "exp(a[2])"
   ]
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  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "sigma = exp(a[0]) + exp(a[1]) + exp(a[2])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "151.49932037220708"
      ]
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     "execution_count": 22,
     "metadata": {},
     "output_type": "execute_result"
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   "source": [
    "sigma"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0.0024282580295913376"
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     },
     "execution_count": 23,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "exp(a[0])/sigma"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0.9796292071670795"
      ]
     },
     "execution_count": 24,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "exp(a[2])/sigma"
   ]
  },
  {
   "cell_type": "code",
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    "collapsed": true
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