Finding an unknown function out of an DE (involving an integral and an inverse Laplacetransform)












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Well, I've the following problem for an unkown function $x(t)$:



$$x'(t)cdottext{a}+text{b}cdotfrac{x'(t)}{x(t)+text{c}}+frac{partial}{partial t}left{int_0^tx(tau)cdotmathcal{L}_text{s}^{-1}left{frac{1}{frac{1}{f+sl}+frac{s}{qs+p}}right}_{left(t-tauright)}spacetext{d}tauright}=0spaceLongleftrightarrowspace$$
$$x(t)=dotstag1$$



How can solve that differential equation. I have no idea or clue whatsoever.



The thing I also know is that, $x(0)=x'(0)=0$. The rest of the constants are real and positive.










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  • $begingroup$
    The partial derivative allows you to simplify the integral into x(t)*...
    $endgroup$
    – Peter Foreman
    Jan 19 at 16:16












  • $begingroup$
    @PeterForeman ohoke, but that does not solve the problem so I don't have to much about that.
    $endgroup$
    – Jan
    Jan 19 at 17:51
















0












$begingroup$


Well, I've the following problem for an unkown function $x(t)$:



$$x'(t)cdottext{a}+text{b}cdotfrac{x'(t)}{x(t)+text{c}}+frac{partial}{partial t}left{int_0^tx(tau)cdotmathcal{L}_text{s}^{-1}left{frac{1}{frac{1}{f+sl}+frac{s}{qs+p}}right}_{left(t-tauright)}spacetext{d}tauright}=0spaceLongleftrightarrowspace$$
$$x(t)=dotstag1$$



How can solve that differential equation. I have no idea or clue whatsoever.



The thing I also know is that, $x(0)=x'(0)=0$. The rest of the constants are real and positive.










share|cite|improve this question









$endgroup$












  • $begingroup$
    The partial derivative allows you to simplify the integral into x(t)*...
    $endgroup$
    – Peter Foreman
    Jan 19 at 16:16












  • $begingroup$
    @PeterForeman ohoke, but that does not solve the problem so I don't have to much about that.
    $endgroup$
    – Jan
    Jan 19 at 17:51














0












0








0


2



$begingroup$


Well, I've the following problem for an unkown function $x(t)$:



$$x'(t)cdottext{a}+text{b}cdotfrac{x'(t)}{x(t)+text{c}}+frac{partial}{partial t}left{int_0^tx(tau)cdotmathcal{L}_text{s}^{-1}left{frac{1}{frac{1}{f+sl}+frac{s}{qs+p}}right}_{left(t-tauright)}spacetext{d}tauright}=0spaceLongleftrightarrowspace$$
$$x(t)=dotstag1$$



How can solve that differential equation. I have no idea or clue whatsoever.



The thing I also know is that, $x(0)=x'(0)=0$. The rest of the constants are real and positive.










share|cite|improve this question









$endgroup$




Well, I've the following problem for an unkown function $x(t)$:



$$x'(t)cdottext{a}+text{b}cdotfrac{x'(t)}{x(t)+text{c}}+frac{partial}{partial t}left{int_0^tx(tau)cdotmathcal{L}_text{s}^{-1}left{frac{1}{frac{1}{f+sl}+frac{s}{qs+p}}right}_{left(t-tauright)}spacetext{d}tauright}=0spaceLongleftrightarrowspace$$
$$x(t)=dotstag1$$



How can solve that differential equation. I have no idea or clue whatsoever.



The thing I also know is that, $x(0)=x'(0)=0$. The rest of the constants are real and positive.







integration ordinary-differential-equations laplace-transform mathematical-physics convolution






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asked Jan 19 at 16:13









JanJan

21.9k31240




21.9k31240












  • $begingroup$
    The partial derivative allows you to simplify the integral into x(t)*...
    $endgroup$
    – Peter Foreman
    Jan 19 at 16:16












  • $begingroup$
    @PeterForeman ohoke, but that does not solve the problem so I don't have to much about that.
    $endgroup$
    – Jan
    Jan 19 at 17:51


















  • $begingroup$
    The partial derivative allows you to simplify the integral into x(t)*...
    $endgroup$
    – Peter Foreman
    Jan 19 at 16:16












  • $begingroup$
    @PeterForeman ohoke, but that does not solve the problem so I don't have to much about that.
    $endgroup$
    – Jan
    Jan 19 at 17:51
















$begingroup$
The partial derivative allows you to simplify the integral into x(t)*...
$endgroup$
– Peter Foreman
Jan 19 at 16:16






$begingroup$
The partial derivative allows you to simplify the integral into x(t)*...
$endgroup$
– Peter Foreman
Jan 19 at 16:16














$begingroup$
@PeterForeman ohoke, but that does not solve the problem so I don't have to much about that.
$endgroup$
– Jan
Jan 19 at 17:51




$begingroup$
@PeterForeman ohoke, but that does not solve the problem so I don't have to much about that.
$endgroup$
– Jan
Jan 19 at 17:51










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