09 April 2021 09:32:27 PM
fsolve_test():
C version:
Test fsolve().
fsolve_test1():
fsolve() solves a nonlinear system of 1 equation.
Initial X, F(X)
0: 0 -5
Returned value of INFO = 1
Final X, FX
0: 4.27523 -5.90983e-11
fsolve_test2():
fsolve() solves a nonlinear system of 2 equations.
Initial X, F(X)
0: 3 -13
1: 0 11
Returned value of INFO = 1
Final X, FX
0: 1 -9.61951e-11
1: 1 -1.23539e-10
fsolve_test3():
fsolve() solves a nonlinear system of 4 equations.
Initial X, F(X)
0: 0 1
1: 0 4
2: 0 9
3: 0 16
Returned value of INFO = 4
Final X, FX
0: 1 4.93038e-32
1: 2 1.97215e-31
2: 3 0
3: 4 7.88861e-31
fsolve_test4():
fsolve() solves a nonlinear system of 8 equations.
Initial X, F(X)
0: 0 1
1: 0 1
2: 0 1
3: 0 1
4: 0 1
5: 0 1
6: 0 1
7: 0 1
Returned value of INFO = 1
Final X, FX
0: -0.57047 -7.12846e-07
1: -0.68114 1.37283e-06
2: -0.700429 -9.98761e-07
3: -0.700672 2.35692e-07
4: -0.691736 8.21407e-07
5: -0.665768 -1.30002e-06
6: -0.596029 5.77762e-07
7: -0.416411 -2.82968e-08
fsolve_test()
Normal end of execution.
09 April 2021 09:32:27 PM