Recent content by monkey372

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    A set of real numbers whose interior is empty

    Homework Statement Give an example of a set of real numbers whose interior is empty but whose closure is all of the real numbers if it exists. Otherwise, explain why such example cannot be true. 2. The attempt at a solution For a set S ⊆ X, the closure of S is the intersection of all closed...
  2. M

    Verify ? Help, I do not understand the question

    The question only listed the formulas for the three methods so I am guessing that it is the standard form. I do not understand how to Taylor expand given that y' = -y.
  3. M

    Verify ? Help, I do not understand the question

    "Verify"? Help, I do not understand the question! Verify the formulas for Forward Euler, Backward Euler and the Trapezoidal Rule for y' = -y starting from the standard form for the difference methods. I am an exchange student so I do not really understand the question. What does it mean by...
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