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2. Signal-flow graph - Wikipedia

   en.wikipedia.org/wiki/Signal-flow_graph

   A signal-flow graph or signal-flowgraph (SFG), invented by Claude Shannon, [1] but often called a Mason graph after Samuel Jefferson Mason who coined the term, [2] is a specialized flow graph, a directed graph in which nodes represent system variables, and branches (edges, arcs, or arrows) represent functional connections between pairs of nodes.

3. Butterfly diagram - Wikipedia

   en.wikipedia.org/wiki/Butterfly_diagram

   If one draws the data-flow diagram for this pair of operations, the (x 0, x 1) to (y 0, y 1) lines cross and resemble the wings of a butterfly, hence the name (see also the illustration at right). A decimation-in-time radix-2 FFT breaks a length- N DFT into two length- N /2 DFTs followed by a combining stage consisting of many butterfly operations.

4. Desmos - Wikipedia

   en.wikipedia.org/wiki/Desmos

   The tool comes pre-programmed with 36 different example graphs for the purpose of teaching new users about the tool and the mathematics involved. [ 15 ] As of April 2017, Desmos also released a browser-based 2D interactive geometry tool, with supporting features including the plotting of points, lines, circles, and polygons.

5. diagrams.net - Wikipedia

   en.wikipedia.org/wiki/Diagrams.net

   diagrams.net (previously draw.io [2] [3]) is a cross-platform graph drawing software application developed in HTML5 and JavaScript. [4] Its interface can be used to create diagrams such as flowcharts , wireframes , UML diagrams, organizational charts , and network diagrams .

6. Circuit topology (electrical) - Wikipedia

   en.wikipedia.org/wiki/Circuit_topology_(electrical)

   Signal-flow graphs are weighted, directed graphs. He used these to analyse circuits containing mutual couplings and active networks. The weight of a directed edge in these graphs represents a gain, such as possessed by an amplifier. In general, signal-flow graphs, unlike the regular directed graphs described above, do not correspond to the ...

7. Flow graph (mathematics) - Wikipedia

   en.wikipedia.org/wiki/Flow_graph_(mathematics)

   An example of a signal-flow graph Flow graph for three simultaneous equations. The edges incident on each node are colored differently just for emphasis. An example of a flow graph connected to some starting equations is presented. The set of equations should be consistent and linearly independent. An example of such a set is: [2]

8. Bond graph - Wikipedia

   en.wikipedia.org/wiki/Bond_graph

   It is similar to a block diagram or signal-flow graph, with the major difference that the arcs in bond graphs represent bi-directional exchange of physical energy, while those in block diagrams and signal-flow graphs represent uni-directional flow of information. Bond graphs are multi-energy domain (e.g. mechanical, electrical, hydraulic, etc ...

9. Mason's gain formula - Wikipedia

   en.wikipedia.org/wiki/Mason's_gain_formula

   Mason's Rule is also particularly useful for deriving the z-domain transfer function of discrete networks that have inner feedback loops embedded within outer feedback loops (nested loops). If the discrete network can be drawn as a signal flow graph, then the application of Mason's Rule will give that network's z-domain H(z) transfer function.