** Stairstep graph (bar graph without internal lines). **

** Stairstep plots are useful for drawing time history plots of **

** digital sampled-data systems. **

** STAIRS(Y) draws a stairstep graph of the elements of vector Y. **

** STAIRS(X,Y) draws a stairstep graph of the elements in vector Y at **

** the locations specified in X. The X-values must be in **

** ascending order and evenly spaced. **

** [XX,YY] = STAIRS(X,Y) does not draw a graph, but returns vectors **

** X and Y such that PLOT (XX,YY) is the stairstep graph. **

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** See also BAR , HIST . **

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