Unit scaling: human readable Quantity units
Consider some calculation yielding Quantity[x,"B"] as output ("B" interpreted as byte).Is there a way to automatically convert this to the unit "GB" or "MB" or "TB" etc as the case may be. i.e. instead...
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How to prohibit automatic DegreesCelsius converting to Kelvins？
On this wiki page, temperature conversion is presented clearly. For example.It also warns that we should take care of temperature difference conversion which is a different conversion asIt is critical...
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Problem using UnitConvert
As we know in physics, power = torque * (angular velocity). But when I use UnitConvert to convert a quantity expressing power/(angular velocity) into newton-meters, UnitConvert fails.How can they be...
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Why is ExternalEvaluate running the command Quantity[471.04`, "Kilobytes"] on...
Raspberry Pi 4B with 32 bit Raspberry Pi OS Full:Linux raspberrypi 6.1.21-v8+ #1642 SMP PREEMPT Mon Apr 3 17:24:16 BST 2023 aarch64 GNU/LinuxMathematica for Raspberry Pi 13.1The...
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Create by hand a formatted form of quantities
If I evaluate the following cell:Quantity["PlanckConstant"]I get as an output a very concise format of this quantity:Also, compare the legibility of these two cells:I want to find a way to create...
View ArticleCases syntax when expression sought is a Quantity
From the following list I wish to extract those cases for which the magnitude of a quantity is greater than zero for which I would like to then create a DateListPlot. list = {{DateObject[{2017, 01},...
View ArticleHow to find all InformationUnits by code method?
As I know, the "Megabytes" and "Gigabits" both are "InformationUnit":UnitDimensions["Megabytes"]UnitDimensions["Gigabits"]{{"InformationUnit", 1}}{{"InformationUnit", 1}}Is there any method to find all...
View ArticleHow to handle units of measurement?
I'm trying to understand how Mathematica handles units of measurement.That is I expect that a calculation should return a certain unit, but I don't succeed. Let's consider this example:(314.159 m...
View ArticleQuantityArray vs Array of Quantities
If memory and speed are not concerns, is there a reason to use QuantityArray instead of an array of quantities?
View ArticleHow to "factor out" units?
I have a huge expression that makes use of Mathematica's units support (Quantity[]) that I know evaluates to a dimensionless quantity. However, I'm unable to get Simplify[] nor UnitSimplify[] to...
View ArticleHow to have the units for energy show as kW h instead of h kW?
I observe the following in Wolfram Language:Quantity[ 1, "Kilowatt hours" ] (* or "Kilowatts" * "Hours" *)(* 1 h kW *)That looks rather unconventional and in Wolfram Alpha it is done as kW h, for...
View ArticleWorkaround for losing track of physical dimension upon differentiation of a...
The following notebook performs a relatively simple physical calculation interacting position, velocity and acceleration of two charged point particles according to Weber electrodynamics.It is simple...
View ArticleClear Guidelines for Symbolic Calculation With Units?
The following notebook performs a relatively simple physical calculation interacting position, velocity and acceleration of two charged point particles according to Weber electrodynamics.It is simple...
View ArticleIntegrate & Unit: unable to determine the units of quantities
In a Wolfram Notebook,I declare a function F1[x]=1/x where x is in "Meters"F1[X_] = With[{x=Quantity[X,"Meters"]},1/x]I integrate F1. Everything is Ok.NIntegrate[F1[r],{r,1,2}]But with the function...
View ArticleInverse of UnitDimensions[]
Is there a straightforward way to write an inverse of UnitDimensions to get the SI unit from dimensions?For example,inverseUnitDimensions[{{"LengthUnit", 1}, {"MassUnit", 1}, {"TimeUnit", -2}}]should...
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Plotting a function with units gives two different results
With the following code block, I plot a function with units in it in two different ways. Both ways should do the same in my understanding of the documentation.cm = Quantity["Centimeters"];f[x_] :=...
View ArticleQuantity[] requires internet access. Is there any workarounds?
Quantity and QuantityArray are great tools for working with types arrays (in terms of physical units), perform conversions and etc.I have discovered recently, if there is no internet access...
View ArticlePerform nondimensionalization with derivatives [closed]
I'm trying to perform nondimensionalization to the following symbolic equations:eqDn = Subscript[\[Mu], d] * (1/r) * D[r * D[Subscript[u, d][r], r], r] == Subscript[P, d]eqUn = Subscript[\[Mu], u] *...
View ArticleWhere to see all Mathematica units [duplicate]
Is there a tutorial page that have all Mathematica units? I sometimes have hard time figuring out the correct unit spelling when using quantities
View ArticlePruning units from oscilloscope data
I'm trying to import some data in a .txt file which contains numbers and words. I import a list which consists of four rows of measured data acquired with an oscilloscope, but the acquisition program...
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