Recent content by martha1

  1. M

    MHB Romeo and Juliet initial conditions

    Hi all! I need to give a presentation on a problem in class and @countryboy helped me to figure out most of it, I only have one remaining question. Here it goes: Consider the system dr/dt = -j, dj/dt = r , where r (t) represents Romeo’s love (positive values) or hate (negative values) for...
  2. M

    MHB Differential equations Romeo and Juliet

    One more question if you don't mind, if I wasn't given the values -1,0 and 1 to choose from (which in the original assignment I wasn't) how could I have known that the initial conditions were (-1,-1) and not, say, (-1.2,-1.2)? Because if I plot my solutions, they can take on values lower than -1...
  3. M

    MHB Differential equations Romeo and Juliet

    Thank you! This was really helpful! Btw, the first question was to simply fill in the names Juliet and Romeo in the correct space, that's why I had put them in bold ;)
  4. M

    MHB Differential equations Romeo and Juliet

    Hi all! I need to give a presentation about a problem in class, but I can't seem to figure it out. This is the problem: Consider the system dr/dt = -j, dj/dt = r , where r (t) represents Romeo’s love (positive values) or hate (negative values) for Juliet at time t, and j(t) similarly...
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