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RE: FindRoot


David Djajaputra wrote:
|
| I need to plot the root of a transcendental equation
|
| sin(x)=x/a,     for a from 2 to 3.
|
|  I can find the root for each a using FindRoot. But how do I make a
|  continuous plot using FindRoot?
|
|
This will work.

In[1]:=  solution[a_]:=  x/.Part[FindRoot[Sin[x]==x/a, {x, 1, 5}] , 1]

In[2]:=  solution[2.2]
Out[2]=  2.00024

In[3]:=  Plot[solution[a],{a,2,3}]
Out[3]=  - Graphics -
                (*  Graphics not shown.  *)


     Ted Ersek
     ersek_ted%pax1a at mr.nawcad.navy.mil

FindRoot is one of my favorite features.



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