vzeroin.dat

basic linear algebra classes and applications (SVD,interpolation, multivariate optimization)

./vzeroin


		Testing Brent's root finder


For function x^3 - 2*x - 5, from the Forsythe book,
the root over [2,3] is	2.094551482e+00
The function value at the root is	-1.7764e-15
Total iterations		11
The expected value of the root is	2.0945515e+00

For function cos(x)-x,
the root over [2,3] is	2.000000000e+00
The function value at the root is	-2.4161e+00
Total iterations		52

For function cos(x)-x,
the root over [-1,3] is	7.390851332e-01
The function value at the root is	0.0000e+00
Total iterations		11
The expected value of the root is	7.3908513e-01

For function sin(x)-x,
the root over [-1,3] is	-1.643737357e-08
The function value at the root is	0.0000e+00
Total iterations		58
The expected value of the root is	0.0000000e+00

For function HUMPS function Matlab:Demos:zerodemo.m,
the root over [0.4,1.6] is	1.299549683e+00
The function value at the root is	0.0000e+00
Total iterations		14
The expected value of the root is	1.2995497e+00

Compilation finished at Fri Dec 25 23:18:42