h=BreakXAxis(x,y,start,stop,width) plots (x,y) and breaks the plot's x-axis between <start> and <stop>, by inserting a broken-axis symbol < // > into a space <width> wide. This type of plot is often used in scientific papers, when the data between <start> and <stop> isn't interesting. The code can be easily modified (swap y for x) to break the y-axis.
Great function. I was trying to do this for a bar chart, so it doesn't apply. Seems like it would be simple to adapt. However, I did notice that the function uses max(ytick) to calculate where to put the '//' on the upper x-axis. This may not work in cases where the maximum ytick is not on the upper y-axis. Perhaps use:
> v = axis;
> t2 = text(start+width/2,v(4),'//','fontsize',15);