Difference between revisions of "Function Conjunction"

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(Functions Composed of Physical Expressions)
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''<math>\mathbf{\varphi}</math> of a point charge <math>q</math>'':
 
''<math>\mathbf{\varphi}</math> of a point charge <math>q</math>'':
  
<math>\mathbf{\varphi}\left(\mathbf r,r'\right) = \underset{constant}{\frac{q}{4\pi\ \epsilon_0}} \times \underset{proximity}{\frac{1}{|\mathbf{r}-\mathbf{r'}|}}</math>
+
<math>\mathbf{\varphi}\left(\mathbf{r},\mathbf{r'}\right) = \underset{constant}{\frac{q}{4\pi\ \epsilon_0}} \times \underset{proximity}{\frac{1}{|\mathbf{r}-\mathbf{r'}|}}</math>
  
 
===Magnetic vector potential <math>A</math>===
 
===Magnetic vector potential <math>A</math>===
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''<math>\mathbf{A}</math> of a moving point charge <math>q</math>'':
 
''<math>\mathbf{A}</math> of a moving point charge <math>q</math>'':
  
<math>\mathbf{A}\left(\mathbf(r,r')\right) = \underset{constant}{\frac{\mu_0\ q}{4\pi}} \times \underset{proximity}{\frac{1}{|\mathbf{r}-\mathbf{r'}|}} \times \underset{dislocation}{\mathbf{v}}</math>
+
<math>\mathbf{A}\left(\mathbf{r},\mathbf{r'},\mathbf{v}\right) = \underset{constant}{\frac{\mu_0\ q}{4\pi}} \times \underset{proximity}{\frac{1}{|\mathbf{r}-\mathbf{r'}|}} \times \underset{dislocation}{\mathbf{v}}</math>

Revision as of 11:51, 21 April 2016

The Anatomy of a Physical Expression

Constant Coefficient Quantity Proximity Dislocation Direction
Examples:
μ0,ϵ0
kB,α,c
Examples:
μr,ϵr
N
Examples:
q,λq,σq,ρq
m,ρ
Examples:
1|r|,1|r|2
Examples:
r,d2rdt2,d3rdt3
r,d2rdt2,d3rdt3
x,v,a,β
Examples:
ˆr,ˆ˙r,ˆ¨r
ˆx,ˆv,ˆa

Functions Composed of Physical Expressions

Electric scalar potential φ

φ of a point charge q:

φ(r,r)=q4π ϵ0constant×1|rr|proximity

Magnetic vector potential A

A of a moving point charge q:

A(r,r,v)=μ0 q4πconstant×1|rr|proximity×vdislocation