Question

eigen values and functions problem.

Answer 1

http://tutorial.math.lamar.edu/Classes/CalcIII/CalcIII.aspx ... Calc III http://tutorial.math.lamar.edu/Classes/CalcII/CalcII.aspx ..... Calc II http://tutorial.math.lamar.edu/Classes/CalcI/CalcI.aspx .... Calc I http://tutorial.math.lamar.edu/Classes/LinAlg/LinAlg.aspx .... Linear algebra http://tutorial.math.lamar.edu/Classes/DE/DE.aspx ... Diff. Eq
try this might help you