linspace example

linspace.ipynb

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   "id": "6f42f9f3-53aa-43f7-a193-71b9cb098cb6",
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   "outputs": [],
   "source": [
    "import numpy as np\n",
    "import h5pyd as h5py"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "0a3b76cc-f6ff-422d-a636-d783f86b963f",
   "metadata": {},
   "outputs": [],
   "source": [
    "N_ARRAY = 255"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "3778f181-9920-4458-8bcd-5260227fb79b",
   "metadata": {},
   "outputs": [],
   "source": [
    "arr = np.linspace(0,100,N_ARRAY)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "67b8ecc3-90a6-4f57-afb1-5eaa6c912c37",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "(255,)"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "arr.shape"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "368f6b03-7a00-4d2b-9357-da4b36d4332c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([0.        , 0.39370079, 0.78740157, 1.18110236, 1.57480315,\n",
       "       1.96850394, 2.36220472, 2.75590551, 3.1496063 , 3.54330709,\n",
       "       3.93700787, 4.33070866])"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "arr[0:12]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "0d296070-4cd4-4597-b65d-5b6ef0de281f",
   "metadata": {},
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    {
     "data": {
      "text/plain": [
       "dtype('float64')"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "arr.dtype"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "16ad2201-cbd6-4556-aa78-0708477abf57",
   "metadata": {},
   "outputs": [],
   "source": [
    "f = h5py.File(\"/home/jreadey/linspace.h5\", \"w\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "id": "d132fe5d-e849-4047-b2d9-64818378f663",
   "metadata": {},
   "outputs": [],
   "source": [
    "dset=f.create_dataset(\"dset255\",data=np.linspace(0,100,N_ARRAY), dtype=np.float32)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "id": "08c1014b-e145-4311-8e2a-bb963bd04fe4",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<HDF5 dataset \"dset255\": shape (255,), type \"<f4\">"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "dset"
   ]
  },
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   "cell_type": "code",
   "execution_count": 14,
   "id": "8ad24a6c-f588-4be4-8ea0-c395d35925e6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([0.        , 0.39370078, 0.78740156, 1.1811024 , 1.5748031 ,\n",
       "       1.968504  , 2.3622048 , 2.7559056 , 3.1496062 , 3.543307  ],\n",
       "      dtype=float32)"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "dset[0:10]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "id": "873dd092-bc37-4f11-baf0-697868eab560",
   "metadata": {},
   "outputs": [],
   "source": [
    "N_ARRAY=260"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "id": "5e51a249-1495-4b90-a68e-ca1175db1e90",
   "metadata": {},
   "outputs": [],
   "source": [
    "dset=f.create_dataset(\"dset260\",data=np.linspace(0,100,N_ARRAY), dtype=np.float32)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "id": "20e9dc7f-1510-4139-93ef-92a8ce0e9f08",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([0.        , 0.38610038, 0.77220076, 1.1583011 , 1.5444015 ,\n",
       "       1.9305019 , 2.3166022 , 2.7027028 , 3.088803  , 3.4749036 ],\n",
       "      dtype=float32)"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "dset[0:10]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "id": "74528864-fe2f-4d92-9cd7-3c7856d1bfda",
   "metadata": {},
   "outputs": [],
   "source": [
    "N_ARRAY=10000"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "id": "61e8bd09-b292-46ff-9b83-e6e41de2ed68",
   "metadata": {},
   "outputs": [],
   "source": [
    "dset=f.create_dataset(\"dset10K\",data=np.linspace(0,100,N_ARRAY), dtype=np.float32)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "id": "957b4d5e-e44d-4148-a0b1-5a6df536c139",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "array([0.      , 0.010001, 0.020002, 0.030003, 0.040004, 0.050005,\n",
       "       0.060006, 0.070007, 0.080008, 0.090009], dtype=float32)"
      ]
     },
     "execution_count": 21,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "dset[0:10]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "34df6e83-2634-4924-a148-649434747dba",
   "metadata": {},
   "outputs": [],
   "source": []
  }
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