Arrow in plots

Paul — Thu, 01 Nov 2007 01:03:34 -0400

Has anybody used 'arrow' successfully?

Try:

figure
plot(1:10)
arrow([4 0],[4 4])

this should draw an arrow from the x-axis to the straight
line. But all I get is an error:

??? Error using ==> and
NaN's cannot be converted to logicals.

Error in ==> arrow at 731
page = (~isnan(page))&(page);

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Arrow in plots