MathWorks offers a huge list of "toolboxes", domain specific extensions that cover a lot of features in each domain. Replacing Matlab isn't about the core language alone.

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tstenner 2 hours ago | parent [-]

Which often means that e.g. loading an image for displaying it increases cost by a few thousands

	▲	gmueckl a minute ago \| parent [-]
		The price tags are wild for sure. But the sheer number of supported features is what makes them attractive. Cloning that completely is practically infeasable.