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Revision as of 13:14, 27 May 2009
, 13:14, 27 May 2009→Linear Topics : The Differential Theory of Qualitative Equations: fix quote
===Linear Topics : The Differential Theory of Qualitative Equations===
===Linear Topics : The Differential Theory of Qualitative Equations===
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<p>The most fundamental concept in cybernetics is that of "difference", either that two things are recognisably different or that one thing has changed with time.</p>
<p>The most fundamental concept in cybernetics is that of "difference", either that two things are recognisably different or that one thing has changed with time.</p>
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| align="right" | — William Ross Ashby, ''Cybernetics''
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This chapter is titled "Linear Topics" because that is the heading under which the derivatives and the differentials of any functions usually come up in mathematics, namely, in relation to the problem of computing "locally linear approximations" to the more arbitrary, unrestricted brands of functions that one finds in a given setting.
This chapter is titled "Linear Topics" because that is the heading under which the derivatives and the differentials of any functions usually come up in mathematics, namely, in relation to the problem of computing "locally linear approximations" to the more arbitrary, unrestricted brands of functions that one finds in a given setting.
