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Question: Getting error too many levels of recursion over this problem. How to fix and get solution?

Question:Getting error too many levels of recursion over this problem. How to fix and get solution?

shashi598 50 Maple 2022
integration pde differential-equations
June 23 2022
2

recurssion.mw

> 

NULL
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"f(x,t) :=(|Psi|)^(2)"

proc (x, t) options operator, arrow, function_assign; abs(Psi)^2 end proc

 (1)
> 

" a(t):=piecewise(0<= t<=1,1.5*t,1<= t<=2,1.5*(2-t))"

proc (t) options operator, arrow, function_assign; piecewise(0 <= t and t <= 1, 1.5*t, 1 <= t and t <= 2, 1.5*(2-t)) end proc

 (2)
> 

" y[a](t):=piecewise(0<= t<=0.1,a(t),0.1<= t<=0.2,-a(t))"

proc (t) options operator, arrow, function_assign; piecewise(0 <= t and t <= .1, a(t), .1 <= t and t <= .2, -a(t)) end proc

 (3)
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"y(t):=y[a](t)+mu(t)"

proc (t) options operator, arrow, function_assign; y[a](t)+mu(t) end proc

 (4)
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"w(t):=&int;x(t)*f(x,t) &DifferentialD;x"

proc (t) options operator, arrow, function_assign; int(x(t)*f(x, t), x) end proc

 (5)
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" v(t):=y(t)-w(t)*w(t)"

proc (t) options operator, arrow, function_assign; y(t)-w(t)^2 end proc

 (6)
> 

NULL
> 

diff(K(x, t), t) = beta*v(t)*f(x, t)

Error, (in y[a]) too many levels of recursion

  
> 

"map(int, , t)"

Error, invalid function arguments

"map(int,,t)"

  
> 

NULL

Here psi is a general wave function from schrodinger wave equation.

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