Re: A couple of beginner's questions

[Kamaraju S Kusumanchi]

p.numminen wrote:

> 
> Question 1:
> How would I command Octave in order to find all the values of x that would
> make the functions
> 
> f1(x) = 1.035568^x * 1000 - 1000 and
> f2(x) = (1.025668^x * 1000 - 1000) * 0.72
> 
> equal with each other?
> 

If it is just a one time thing, you can just plot the functions using say
gnuplot, and zoom in on the point of intersection.

> 
> Question 2:
> How would I command Octave in order to solve the equation
> 
> 1.035568^x * 1000 - 1.025668^x * 720 - 280 = 0
> 

Same again. Use gnuplot or other plotting software and zoom in where the
curve hits x-axis.

raju
-- 
Kamaraju S Kusumanchi
http://www.people.cornell.edu/pages/kk288/
http://malayamaarutham.blogspot.com/