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added 55 characters in body

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edited Mar 2, 2013 at 20:52

b.gates.you.know.what

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If you are on version 9 you could use the built-in functions (previously available in the VectorAnalysis package). The following might get you close to what you need :

Laplacian[f[theta], {r, theta, phi}, "Spherical"] // Simplify
(* (Cot[theta] Derivative[1][f][theta] + (f^\[Prime]\[Prime])[theta])/r^2 *)

If you are on version 9 you could use the built-in functions. The following might get you close to what you need :

Laplacian[f[theta], {r, theta, phi}, "Spherical"] // Simplify
(* (Cot[theta] Derivative[1][f][theta] + (f^\[Prime]\[Prime])[theta])/r^2 *)

If you are on version 9 you could use the built-in functions (previously available in the VectorAnalysis package). The following might get you close to what you need :

Laplacian[f[theta], {r, theta, phi}, "Spherical"] // Simplify
(* (Cot[theta] Derivative[1][f][theta] + (f^\[Prime]\[Prime])[theta])/r^2 *)

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created Mar 2, 2013 at 20:42

b.gates.you.know.what

20.2k
2
45
86

If you are on version 9 you could use the built-in functions. The following might get you close to what you need :

Laplacian[f[theta], {r, theta, phi}, "Spherical"] // Simplify
(* (Cot[theta] Derivative[1][f][theta] + (f^\[Prime]\[Prime])[theta])/r^2 *)