Recent content by bfed

thanks all, got'er done with your help! -bfed

thanks tiny-tim, so i should take the second derivative of ψ(x) = eax before I substitute it into d²ψ(x)/dx²=k²ψ(x) and solve for a?

1. Homework Statement consider the differential d²ψ(x)/dx²=k²ψ(x); for which values of a is the equation e^(a*x) is a solution to the above equation. 2. Homework Equations 3. The Attempt at a Solution I have been working on this problem but I do not know how relate the 2...

Homework Statement consider the differential d²ψ(x)/dx²=k²ψ(x); for which values of a is the equation e^(a*x) is a solution to the above equation. Homework Equations The Attempt at a Solution I have been working on this problem but I do not know how relate the 2 equations, or if...

good stuff much appreciated dx

so... C=A*cos(wt)*sin(kx)-i*A*sin(wt)*sin(kx) Re(C)=A*cos(wt)*sin(kx) and Im(C)=-A*sin(wt)*sin(kx) is this the proper solution? And thanks dx

e^(-iwt)=cos(wt)-i*sin(wt) is how I think to the Euler formula... then do i substitute it back into the original expression?

so then the imaginary party would be sin(wt)? and what happens to the A in the function?

Homework Statement C=A*e^(-i*wt)*sin(k*x); A,w,t,k,x are real numbers. Find imaginary part. Homework Equations The Attempt at a Solution Im(C)=cos(wt)-i*sin(wt)