1> edit bi.m


2> f = inline(°
error: invalid character `°' (ASCII 176) near line 2, column 13
parse error:

  syntax error

>>> f = inline(°
               ^



2> f = inline('x.^2-2')
f =

f(x) = x.^2-2



3> bi(f,1,2)


4> bi(f,1,2)
ans =  1.4142


5> format long


6> bi(f,1,2)
ans =  1.41421356237309


7> sqrt(2)
ans =  1.41421356237310


8> eval(urlread('http://www.dm.unibo.it/~achilles/calc/Programmi_CS4a/bisection.m'));


9> [zero, reiduo, niter] = bisection(f,1,2, 1.e-300,100)
Il metodo di bisezione si e' arrestato senza soddisfare la tolleranza richiesta
avendo raggiunto il numero massimo di iterazioni
zero =  1.41421356237309
reiduo = -4.44089209850063e-016
niter =  100


10> fun=inline('(x-1).^111'); bisection(fun,0.3,2,1.e-12,100)
error: A(I) = X: X must have the same size as I
error: called from:
error:   bisection at line 46, column 13


10> bi(fun,0.3,2)
ans =  1.00058593750000


11> 'Auf Wiedersehen'
ans = Auf Wiedersehen


12> quit