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ASAAD123
 2 years ago
in Differential Equations,how to know that Equation is linear or nonlinear?
ASAAD123
 2 years ago
in Differential Equations,how to know that Equation is linear or nonlinear?

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chihiroasleaf
 2 years ago
Best ResponseYou've already chosen the best response.0check whether \(L(u+v) = L(u) + L(v) \) and \(L(cu) = c L(u) \) L is operator... if the equation satisfy both of these, then it's linear..

ASAAD123
 2 years ago
Best ResponseYou've already chosen the best response.0\[x''(1\frac{ x'^2 }{ 3 })x'+x=0\] linear or nonlinear?

klimenkov
 2 years ago
Best ResponseYou've already chosen the best response.0What is that 1 in the second addend?

amistre64
 2 years ago
Best ResponseYou've already chosen the best response.0if the highest power of a derivative is 1, its linear. y' = y+2 is linear (y')^3 = y+2 ..... is not linear

amistre64
 2 years ago
Best ResponseYou've already chosen the best response.0the largest number of ''''s defines order the power of a derivative defines the degree .... a degree of 1 is linear

ASAAD123
 2 years ago
Best ResponseYou've already chosen the best response.0for example, \[\frac{ d^2y }{dx^2 }+(\frac{ 1x }{ 2sinx })\frac{ dy }{ dx }+2y=siny\] ,is it linear or not linear and why? @amistre64

amistre64
 2 years ago
Best ResponseYou've already chosen the best response.0the degree is 1, so its linear the order is 2, since there is a 2nd derivative in there

amistre64
 2 years ago
Best ResponseYou've already chosen the best response.0\[\left(\frac{ d^2y }{dx^2 }\right)^1+(\frac{ 1x }{ 2sinx })\left(\frac{ dy }{ dx }\right)^1+2y=siny\]
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