How to do a taylor series in matlab with e?

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Bella
Bella 2016-5-25
编辑： Todd Leonhardt 2016-5-25
if the equation was g(x)=e^x/(cos(x)+tan3(x)) for x=2 I tried >> x=2;taylor(exp(e^x/(cos(x)+tan3(x)))) but an error comes up with undefined function or variable 'e'

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回答（1 个）

Todd Leonhardt
Todd Leonhardt 2016-5-25
编辑：Todd Leonhardt 2016-5-25
Check out this example of how to compute Taylor series in Matlab:
http://www.mathworks.com/help/symbolic/taylor-series.html
Make sure you define x as a symbolic variable first.
  2 个评论
Bella
Bella 2016-5-25
now it says undefined function 'taylor'
Todd Leonhardt
Todd Leonhardt 2016-5-25
taylor operates symbolically
http://www.mathworks.com/help/symbolic/taylor.html
You need to give it the variable.
Do you have the symbolic math toolbox?

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