MATLAB: Standard Unit of Matlab

unitunit conversion

I am trying to figure out the standard units of Matlab, for instance if I code mass=10, would the Matlab incorporate this as 10 kilgograms or grams?

Also, how would you put gravity into Matlab.

The only way to convert units that I figured out was to download the master m.files from the web and use it. However, is there another way such that I do not need other extra files?

Best Answer

It is a general feature of numerical software not to assume any specific units. For the computing it does not matter, if you add seconds, meters or dollars. This has the enormous advantage, that e.g. the same optimization routine can be applied to different fields as energy consumption of an engine or predator/prey systems in biology.

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MATLAB: Checking the existence of any file with a specific extension in a directory

Use dir instead. If you only want to know about the existence, then you could simply check if the returned structure is not empty:

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Well you probably wouldn't want to use a switch statement to display a menu. You'd probably use something like a questdlg(), inputdlg() or generate your own Gui to get what the original unit is and what you're converting to. this will give you inputs for two different switch statements. First switch statement would then know which unit you're starting in and then convert to your pick of a standard (lets say grams or meters depending on the unit). Then your second switch statement would be what you're converting to. and since you've picked a standard unit you know where you're starting from. That way you don't need to create each possible conversion that does lbs->gram, lbs-> kg, lbs->oz.

Best Answer

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