A SysML modeling tool is not directly competing with MATLAB.
Although there is some overlapping, e.g., with regard to state modeling, the two
environments can complement each other. SysML is more powerful with regard to
requirements modeling and the overall system design, while MATLAB/Simulink has
its strengths in the simulation area. If you use both environments you need a chain
of tools to ensure that you won ??™ t lose continuality of your models.
1.4.6 The Requirement Interchange Format
The Requirement Interchange Format ( RIF ) is the product of an initiative of
the automotive industry. 9 It was designed to exchange requirements between car
manufacturers and suppliers. Despite this background, RIF is independent of the
automotive industry and can be used in other domains.
The principal/contractor constellation is a typical scenario in which requirements
have to be exchanged. Between the two roles there is normally the corporation
boundary, and access to a common requirements database is hardly ever
possible. The friction losses, and thus errors, costs, time delays, and discords can
easily exceed the limits to pain.
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