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    "info": {
        "author": "James Wilson",
        "author_email": "jmw@jmw.name",
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        "classifiers": [
            "License :: OSI Approved :: MIT License",
            "Topic :: Scientific/Engineering"
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        "description": "# lti-arithmetic\nArithmetic manipulation for scipy.signal.lti TransferFunction\n\nLTI system representations in scipy do not offer built-in composability.\nGiven two instances of `scipy.signal.lti`, for example, `H` and `G`,\nyou cannot directly write `H * G`.\n\nThis package defines a `scipy.signal.lti`-compatible `TransferFunction`\nthat permits standard arithmetical combination: `H + G`, `H - G`, `H * G`,\n `H / G`, and `H**n`. In addition, the parallel combination\n(reciprocal of reciprocal sums) of systems is available by writing `H | G`.\n\nThe package also defines functions `Z_R`, `Z_C`, and `Z_L` that represent\nthe impedance of a resistance, capacitance, and inductance, respectively,\nas LTI systems that can be composed to represent the transfer function\nof a larger network.\n\nFor convenience, the package also defines `s` so that transfer functions\ncan be written as rational expressions in `s`.\n\n## Examples\n\n```\n>>> from ltiarithmetic import TransferFunction, Z_R, Z_C, Z_L, s\n```\n\nCompute the product of two LTI systems:\n```\n>>> H = TransferFunction([1,2,3],[1])\n>>> G = TransferFunction[[1],[2,3,4])\n>>> H * G\nTransferFunction(\narray([0.5, 1. , 1.5]),\narray([1. , 1.5, 2. ]),\ndt: None\n)\n```\n\nCompute the transfer function of a RC lowpass filter:\n```\nZ_1 = Z_R(1000.)\nZ_2 = Z_C(1e-9)\nH = Z_2 / (Z_1 + Z_2)\n```\n\nConstruct LTI systems from rational expressions in `s`:\n```\nimport math\nw0 = 2 * math.pi * 1000.\nQ = 2.\nH = 1/(1 + s / (Q * w0) + (s / w0)**2)\n```",
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        "summary": "Arithmetic manipulation for scipy.signal.lti TransferFunction",
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