Arrowhead(Scilab) - KETpic+TeXによる図入り教材作成支援

Arrowhead( position, direction{, size{, angle}, string} )

generate codes to draw only a barracking.
Ex) Arrowhead( [0, 0], [2, 1], cl );
""Arrowhead( pointP, PD of a curve f, size f, angleg, stringg )
generate to draw a barraking on the curve.
Ex) G1=Plotdata( xˆ2 , x );
Arrowhead( [1, 1], G1 ));
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