test_zero_test

test_zero_test, a FORTRAN90 code which calls test_zero(), which defines nonlinear functions that may be used to test zero finders.

Licensing:

The computer code and data files described and made available on this web page are distributed under the MIT license

Related Data and Programs:

test_zero, a FORTRAN90 code which implements test problems for the solution of a single nonlinear equation in one variable.

Source Code:

• test_zero_test.f90, the calling program;
• test_zero_test.sh, runs all the tests.
• test_zero_test.txt, the output file.

PNG images of the graphs of some of the functions:

• p01_fx.png, an image of P01_FX(X) over [-4,+4].
• p02_fx.png, an image of P02_FX(X) over [-0.5, +3.0].
• p03_fx.png, an image of P03_FX(X) over [-0.1,+4].
• p04_fx.png, an image of P04_FX(X) over [-4,+2].
• p05_fx.png, an image of P05_FX(X) over [-4,+2].
• p06_fx.png, an image of P06_FX(X) over [-4,+2].
• p07_fx.png, an image of P07_FX(X) over [-1,+1].
• p08_fx.png, an image of P08_FX(X) over [-4,+4].
• p09_fx.png, an image of P09_FX(X) over [5,7].
• p10_fx.png, an image of P10_FX(X) over [-2,+2].
• p11_fx.png, an image of P11_FX(X) over [+1,+10].
• p12_fx.png, an image of P12_FX(X) over [-0.5,+0.5].
• p13_fx.png, an image of P13_FX(X) over [0,100].
• p14_fx.png, an image of P14_FX(X) over [-0.5,+2.0].
• p15_fx.png, an image of P15_FX(X) over [-4,+4].
• p16_fx.png, an image of P16_FX(X) over [0,50].
• p17_fx.png, an image of P17_FX(X) over [-2,+4].
• p18_fx.png, an image of P18_FX(X) over [0.988,1.012].
• p19_fx.png, an image of P19_FX(X) over [0.0,1.0].