diff options
| author | Tim Blechmann <timblech@users.sourceforge.net> | 2005-06-16 13:02:02 +0000 |
|---|---|---|
| committer | IOhannes m zmölnig <zmoelnig@iem.at> | 2015-10-14 15:11:59 +0200 |
| commit | d1ed55f96f9cecc818844006fb36cd58ca70da5e (patch) | |
| tree | 4d1ed404ba54ad7f360cec5ad3d0b38ec4b24840 /chaos/src/coupled_logistic.hpp | |
| parent | 2434290915cda6ed855e4dc2249312153b995817 (diff) | |
- parameter searching (broken)
- misc. updates
svn path=/trunk/externals/tb/; revision=3192
Diffstat (limited to 'chaos/src/coupled_logistic.hpp')
| -rw-r--r-- | chaos/src/coupled_logistic.hpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/chaos/src/coupled_logistic.hpp b/chaos/src/coupled_logistic.hpp index 7cc8602..d94ceee 100644 --- a/chaos/src/coupled_logistic.hpp +++ b/chaos/src/coupled_logistic.hpp @@ -22,7 +22,7 @@ // coupled_logistic map: x[n+1] = r * x[n] * (1 - x[n]) + e * (y[n] - x[n]) // y[n+1] = r * y[n] * (1 - y[n]) + e * (x[n] - y[n]) -// 1 <= r <= 4 +// 0 <= r <= 4 // taken from Willi-Hans Steeb: Chaos and Fractals class coupled_logistic: @@ -54,6 +54,7 @@ public: data_t r = CHAOS_PARAMETER(r); m_data[0] = r * x * (1.f - x) + e * (y - x); m_data[1] = r * y * (1.f - y) + e * (x - y); + m_verify(); } CHAOS_SYSPAR_FUNCS(e); @@ -76,9 +77,14 @@ public: data_t x = m_data[0]; data_t y = m_data[1]; if (!m_pred_xy(x)) - m_data[0] = 0.5; + m_data[0] = rand_range(0,0.08); if (!m_pred_xy(y)) - m_data[1] = 0.5; + m_data[1] = rand_range(0,0.08); + if (x == y) + { + m_data[0] += rand_range(0,0.2); + m_data[1] += -rand_range(0,0.2); + } } |