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Clojure only.
diman.analyze
Contains function. These are
dimnamesconsistent?
How to use
Loading
(:require [diman.analyze :refer [dimnames consistent?]])
Examples
Consider the case
(def varpars [{:symbol "x", :quantity "length"},
{:symbol "v", :quantity "velocity"}
{:symbol "t", :quantity "time"}
{:symbol "a", :quantity "acceleration"}])
(def lhs "x^(1)")
(def rhs {:term1 "x^(1)", :term2 "v^(2)", :term3 "t^(1)", :term4 "0.5*a^(1)*t^(2)"})
(def eqn {:lhs lhs, :rhs rhs})
Then using (require '[diman.formula :refer [formula-term formula-eqn-side]])
The formula for the right hand side of the equation is
=> (formula-eqn-side varpars rhs)
"[L^(1)] + [T^(-2)*L^(2)] + [T^(1)] + [T^(0)*L^(1)]"
Dimension names of an equation side
The rhs of our example equation as dimension names is
=> (dimnames (formula-eqn-side varpars rhs))
"length^(1) + time^(-2)*length^(2) + time^(1) + length^(1)"
and for lhs
=> (dimnames (formula-eqn-side varpars lhs))
"length^(1)"
Notice that names of the dimensions with exponent value = 0 is not seen.
Consistency check
To check if the lhs and rhs of the dimensional formula are the same do
=> (consistent? varpars eqn)
true
Contains function.
These are
- `dimnames`
- `consistent?`
## How to use
### Loading
```
(:require [diman.analyze :refer [dimnames consistent?]])
```
### Examples
Consider the case
```
(def varpars [{:symbol "x", :quantity "length"},
{:symbol "v", :quantity "velocity"}
{:symbol "t", :quantity "time"}
{:symbol "a", :quantity "acceleration"}])
(def lhs "x^(1)")
(def rhs {:term1 "x^(1)", :term2 "v^(2)", :term3 "t^(1)", :term4 "0.5*a^(1)*t^(2)"})
(def eqn {:lhs lhs, :rhs rhs})
```
Then using ```(require '[diman.formula :refer [formula-term formula-eqn-side]])```
The formula for the right hand side of the equation is
```
=> (formula-eqn-side varpars rhs)
"[L^(1)] + [T^(-2)*L^(2)] + [T^(1)] + [T^(0)*L^(1)]"
```
#### Dimension names of an equation side
The rhs of our example equation as dimension names is
```
=> (dimnames (formula-eqn-side varpars rhs))
"length^(1) + time^(-2)*length^(2) + time^(1) + length^(1)"
```
and for lhs
```
=> (dimnames (formula-eqn-side varpars lhs))
"length^(1)"
```
Notice that names of the dimensions with exponent value = 0 is not seen.
#### Consistency check
To check if the lhs and rhs of the dimensional formula are the same do
```
=> (consistent? varpars eqn)
true
```
dimnamesclj
(dimnames eqn_form)(dimnames eqn_form lst_subform lst_ans)Returns names of the contents of the dimensional formula.
Returns names of the contents of the dimensional formula.
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