Questions tagged [units]
Questions about using, converting, or interpreting units of measurement in Mathematica.
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Integrate & 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. ...
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Clear 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 ...
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How 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 <...
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QuantityArray vs Array of Quantities
If memory and speed are not concerns, is there a reason to use QuantityArray instead of an array of quantities?
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How 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:
...
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How to find all InformationUnits by code method?
As I know, the "Megabytes" and "Gigabits" both are ...
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Cases 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.
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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 ...
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Why is ExternalEvaluate running the command Quantity[471.04`, "Kilobytes"] on RaspberryPi
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/Linux
Mathematica for Raspberry Pi 13.1
The command
...
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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 as
It is ...
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quantity of `Around` with "DimensionlessUnit"
Quantity[1, "DimensionlessUnit"]
gives pure number
1
However,
...
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How can the units of the "AtomCoordinates" in a Molecule be changed while keeping the resulting MoleculePlot3D consistent?
Mathematica provides the Molecule function that can be visualized with MoleculePlot3D since version 12.0. Before, importing "XYZ" files would produce a ...
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ToPolarCoordinates not working with units
I am trying to convert some quantities with units from rectangular to polar coordinates (to get the magnitude and angle). It seems that ToPolarCoordinates command does not calculate the angle when ...
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Dealing with exponents that contain units?
Many of the equations I deal with involve powers of quantities which contain units. However, when the exponent contains units (e.g., ...
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Issue with unit conversion
I am getting an error converting energy unit Pa*m^3 (Pascal * Meters^3) to J (Joules).
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