MATLAB: Plots with stairs and inclines

plotstairs

Assume I need to create a plot including both gentle slides and abrupt steps, such as the attached plot (note the step-like drop at vertical 2 versus the incremental slope of vertical 2-3).

To my understanding, plot() only produces the latter, while stairs() the former. How can I produce both, aside from piecing it together using several 'identical but distinct' lines on the same figure (not optimal).

Best Answer

I'm not sure how you intend to generate the points, but for the example plot you gave, plot works just fine with an appropriate input:

x = [0:2 2:5];
y = [0 1 2 1 -1 0 0];
plot(x,y)
axis([0 5 -3 3])

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MATLAB: Area, stairs

% Random row input

x = 1:10;
y = rand(1,10);

% Normal area chart

subplot(3,1,1)
area(x,y)

% Stairs chart (non area)

subplot(3,1,2)
stairs(x,y)

% Stairs area

subplot(3,1,3)
x = [x;x];
y = [y;y];
area(x([2:end end]),y(1:end))

MATLAB: Stretch Yaxis to increase gap between data points in scatter plot

Your y position is just specified as being k, which increments in steps of 1. Just change to using something else, e.g. 3*k in:

errorbar( Model{k}.Coefficients.Estimate(2), 3*k, sd_vct(2,1), 'horizontal','color', hc );

or whatever you want. You have complete control over that y value for each plot.

Or just resize your figure, because whatever the y spacing, if you have to fit 150 plots on top of each other in the same space then they will still take up the same room irrespective of the y distance.

Best Answer

Related Solutions

MATLAB: Area, stairs

MATLAB: Stretch Yaxis to increase gap between data points in scatter plot

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