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Updating 11-18
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‎code/soln/chap11soln.ipynb‎

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‎code/soln/chap12soln.ipynb‎

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‎code/soln/chap13soln.ipynb‎

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‎code/soln/chap14soln.ipynb‎

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‎code/soln/chap15soln.ipynb‎

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"source": [
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"# Modeling and Simulation in Python\n",
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"\n",
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"Chapter 14\n",
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"Chapter 15\n",
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"\n",
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"Copyright 2017 Allen Downey\n",
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"\n",
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## Exercises\n",
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"\n",
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"**Exercise:** Simulate the temperature of 50 mL of milk with a starting temperature of 5 degC, in a vessel with the same insulation, for 15 minutes, and plot the results.\n",
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"\n",
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"By trial and error, find a values for `r` that makes the final temperature close to 20 C."
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}
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},
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"nbformat": 4,
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"nbformat_minor": 2
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‎code/soln/chap16soln.ipynb‎

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"source": [
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"# Modeling and Simulation in Python\n",
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"\n",
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"Chapter 15\n",
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"Chapter 16\n",
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"\n",
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"Copyright 2017 Allen Downey\n",
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"\n",
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"savefig('figs/chap07-fig02.pdf')"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"**Exercise:** Suppose the coffee shop won't let me take milk in a separate container, but I keep a bottle of milk in the refrigerator at my office. In that case is it better to add the milk at the coffee shop, or wait until I get to the office?\n",
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"\n",
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"Hint: Think about the simplest way to represent the behavior of a refrigerator in this model. The change you make to test this variation of the problem should be very small!"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 37,
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"metadata": {},
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"outputs": [],
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"source": [
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"# Solution\n",
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"\n",
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"## A refrigerator keeps the milk at a constant temperature,\n",
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"## so it is like a container with r = 0."
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"coffee.T_final - coffee2.T_final"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## Exercises\n",
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"\n",
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"**Exercise:** Suppose the coffee shop won't let me take milk in a separate container, but I keep a bottle of milk in the refrigerator at my office. In that case is it better to add the milk at the coffee shop, or wait until I get to the office?\n",
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"\n",
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"Hint: Think about the simplest way to represent the behavior of a refrigerator in this model. The change you make to test this variation of the problem should be very small!"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 37,
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"metadata": {},
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"outputs": [],
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"source": [
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"# Solution\n",
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"\n",
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"## A refrigerator keeps the milk at a constant temperature,\n",
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"## so it is like a container with r = 0."
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]
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}
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],
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"metadata": {
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}
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},
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"nbformat": 4,
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"nbformat_minor": 2
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}

‎code/soln/chap17soln.ipynb‎

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