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ode15s different step required at other compuer

From: Lysandros Anastasopoulos (NTUA)
Subject: ode15s different step required at other compuer
Date: Sat, 21 Dec 2019 00:57:17 +0200
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Hello together,

in order to numerically integrate a stiff differential equation of motion (ca. 30 degrees of freedom), I am resorting to the ode15s in octave since I have the privilege to execute it via batch script on a remote, high performance computer. However, I notice something strange: the exact same ODE, with the same ode-settings, requires much more simulation steps on the remote computer than on my notebook. What could the reason be? (Even the same odepkg is used)

Thanks and nice Xmas days


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