equation solving
in [Matlab]
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From: Lovinash on 3 Feb 2010 16:25 hey there, Say I want to solve a quadratic equation f(x) as part of an algorithm. This will give me two values of x. Lets call these values x1 and x2. can i then use these values for further analysis? for example, if x1>2 do something else do something else I hope that i am being clear enough on what i want to do. it seems to me that matlab aways give the answer in terms of a vector.. but what if i want to use the individual values further in my algorithm? what do i do? thanks Nash
From: Steven Lord on 3 Feb 2010 23:24
"Lovinash " <lovi_bono(a)hotmail.com> wrote in message news:hkcpk3$ahs$1(a)fred.mathworks.com... > hey there, > > Say I want to solve a quadratic equation f(x) as part of an algorithm. > This will give me two values of x. Lets call these values x1 and x2. can > i then use these values for further analysis? for example, > > if x1>2 > do something > else > do something else > I hope that i am being clear enough on what i want to do. it seems to me > that matlab aways give the answer in terms of a vector.. but what if i > want to use the individual values further in my algorithm? what do i do? theroots = roots([1 2 -1]); if theroots(1) > 2 % do something end -- Steve Lord slord(a)mathworks.com comp.soft-sys.matlab (CSSM) FAQ: http://matlabwiki.mathworks.com/MATLAB_FAQ |