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Matlab Sysmolic maths differential equation 
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#1
Mar1312, 11:13 PM

P: 72

Hi
is it possible to represent unknown functions eg x(t) in matlab equations ? eg have f = x'' diff(f) = x' or have a derivative represented via differential eg dx/dt 


#2
Mar2412, 10:54 PM

P: 72

finally found it out for those who want to know
>> y = sym('y(t)') y = y(t) >> f = diff(y,2) + diff(y,1) + y f = diff(y(t),$(t,2))+diff(y(t),t)+y(t) >> pretty(f) / 2 \ d  /d \  y(t) +  y(t) + y(t)  2  \dt / \dt / >> 


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