What's the relationship of $f$ and $h$ in ${mathbb{E}_i left[ f(g(x,i)) right] = h(mathbb{E}_i left[ g(x,i)...

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What's the relationship of $f$ and $h$ in ${mathbb{E}_i left[ f(g(x,i)) right] = h(mathbb{E}_i left[ g(x,i) right] )}$



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0












$begingroup$


Let there be a function $f$ and $h$ satisfying



${mathbb{E}_i left[ f(g(x,i)) right] = h(mathbb{E}_i left[ g(x,i) right] )}$



for an arbitrary 2-variable function $g : mathbb{R}^n times mathbb{R} rightarrow mathbb{R}$,



Is it always possible to find a such a function $h$ for given $f$ ?










share|cite|improve this question











$endgroup$












  • $begingroup$
    please clarify what $x$ and $i$ are.
    $endgroup$
    – Cettt
    Mar 22 at 13:48
















0












$begingroup$


Let there be a function $f$ and $h$ satisfying



${mathbb{E}_i left[ f(g(x,i)) right] = h(mathbb{E}_i left[ g(x,i) right] )}$



for an arbitrary 2-variable function $g : mathbb{R}^n times mathbb{R} rightarrow mathbb{R}$,



Is it always possible to find a such a function $h$ for given $f$ ?










share|cite|improve this question











$endgroup$












  • $begingroup$
    please clarify what $x$ and $i$ are.
    $endgroup$
    – Cettt
    Mar 22 at 13:48














0












0








0





$begingroup$


Let there be a function $f$ and $h$ satisfying



${mathbb{E}_i left[ f(g(x,i)) right] = h(mathbb{E}_i left[ g(x,i) right] )}$



for an arbitrary 2-variable function $g : mathbb{R}^n times mathbb{R} rightarrow mathbb{R}$,



Is it always possible to find a such a function $h$ for given $f$ ?










share|cite|improve this question











$endgroup$




Let there be a function $f$ and $h$ satisfying



${mathbb{E}_i left[ f(g(x,i)) right] = h(mathbb{E}_i left[ g(x,i) right] )}$



for an arbitrary 2-variable function $g : mathbb{R}^n times mathbb{R} rightarrow mathbb{R}$,



Is it always possible to find a such a function $h$ for given $f$ ?







integration analysis






share|cite|improve this question















share|cite|improve this question













share|cite|improve this question




share|cite|improve this question








edited Mar 22 at 13:52







Junho

















asked Mar 22 at 13:45









JunhoJunho

115




115












  • $begingroup$
    please clarify what $x$ and $i$ are.
    $endgroup$
    – Cettt
    Mar 22 at 13:48


















  • $begingroup$
    please clarify what $x$ and $i$ are.
    $endgroup$
    – Cettt
    Mar 22 at 13:48
















$begingroup$
please clarify what $x$ and $i$ are.
$endgroup$
– Cettt
Mar 22 at 13:48




$begingroup$
please clarify what $x$ and $i$ are.
$endgroup$
– Cettt
Mar 22 at 13:48










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