MESSAGE:
pdg_app/to_edit_expression: AttributeError: unable to parse Symbol('nabla').dot(Symbol('nabla')( Function('pdg0009489')(Symbol('pdg0009472'), Symbol('pdg0001467')))) as SymPy; error='Symbol' object has no attribute 'dot'
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Derivations that use this expression:
LHS AST from SymPy:
RHS AST from SymPy:
Symbols in Expression \(\vec{ \nabla}\cdot \left( \vec{ \nabla} \psi( \vec{r},t) \right)=\frac{i}{\hbar} \vec{ \nabla}\cdot\left( \vec{p} \psi( \vec{r},t) \right)\)
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scalar symbols ,
vector symbols ,
matrix symbols .
ID
latex
name
description
reference
dimension: time
dimension: length
dimension: mass
dimension: electric charge
dimension: luminous intensity
dimension: amount of substance
dimension: temperature
scope
domain
0000001054
\hbar
\(\hbar\)
Reduced Planck's constant
https://en.wikipedia.org/wiki/Planck_constant#Value
-1
2
1
0
0
0
0
real
any
0000001467
t
\(t\)
time
https://en.wikipedia.org/wiki/Time_in_physics
1
0
0
0
0
0
0
real
any
0000009489
\psi
\(\psi\)
none
0
0
0
0
0
0
0
complex
any
0000004621
i
\(i\)
imaginary unit
https://en.wikipedia.org/wiki/Imaginary_unit
0
0
0
0
0
0
0
imaginary
any
0000002046
\vec{p}
\(\vec{p}\)
momentum
https://en.wikipedia.org/wiki/Momentum
-1
1
1
0
0
0
0
real
any
0000009472
\vec{r}
\(\vec{r}\)
radius vector
0
1
0
0
0
0
0
real
any
Add Symbol to Expression \(\vec{ \nabla}\cdot \left( \vec{ \nabla} \psi( \vec{r},t) \right)=\frac{i}{\hbar} \vec{ \nabla}\cdot\left( \vec{p} \psi( \vec{r},t) \right)\)
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Remove Symbol used in Expression \(\vec{ \nabla}\cdot \left( \vec{ \nabla} \psi( \vec{r},t) \right)=\frac{i}{\hbar} \vec{ \nabla}\cdot\left( \vec{p} \psi( \vec{r},t) \right)\)
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Operations in Expression \(\vec{ \nabla}\cdot \left( \vec{ \nabla} \psi( \vec{r},t) \right)=\frac{i}{\hbar} \vec{ \nabla}\cdot\left( \vec{p} \psi( \vec{r},t) \right)\)
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Relation in Expression \(\vec{ \nabla}\cdot \left( \vec{ \nabla} \psi( \vec{r},t) \right)=\frac{i}{\hbar} \vec{ \nabla}\cdot\left( \vec{p} \psi( \vec{r},t) \right)\)
Relation is =
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timing of Neo4j queries:
0.005 seconds for pdg_app/to_edit_expression 4b1d8b63-b49d-492f-ade1-f5e0f7e22d2d
0.009 seconds for pdg_app/ 4b1d8b63-b49d-492f-ade1-f5e0f7e22d2d
0.075 seconds for compute/get_symbols_not_in_expression, get_symbols 80c3b927-a9ea-4af1-8688-327bb99642f7
0.02 seconds for compute/get_operations_not_in_expression, get_operations 199da4a7-f4b5-447f-813b-472145300117
0.017 seconds for compute/get_relations_not_in_expression, get_relations 212ba311-d70e-4b86-b587-a174dea32abd
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