9.1.17 Mark sample

C++ code

mglData y(50,3), y1(50);
y.Modify("0.7*sin(2*pi*x) + 0.5*cos(3*pi*x) + 0.2*sin(pi*x)",0);
y.Modify("sin(2*pi*x)",1);
y.Modify("cos(2*pi*x)",2);
y1.Modify("0.5+0.3*cos(2*pi*x)");
gr->Box();
gr->Mark(y,y1,"bs");

MGL code

new y 50 3
modify y '0.7*sin(2*pi*x) + 0.5*cos(3*pi*x) + 0.2*sin(pi*x)'
modify y 'sin(2*pi*x)' 1
modify y 'cos(2*pi*x)' 2
new y1 50
modify y1 '0.5+0.3*cos(2*pi*x)'
box
mark y y1 'bs'

Pure C code

HMDT y = mgl_create_data_size(50,3,1);
HMDT y1 = mgl_create_data_size(50,1,1);
mgl_data_modify(y,"0.7*sin(2*pi*x) + 0.5*cos(3*pi*x) + 0.2*sin(pi*x)",0);
mgl_data_modify(y,"sin(2*pi*x)",1);
mgl_data_modify(y,"cos(2*pi*x)",2);
mgl_data_modify(y1,"0.5+0.3*cos(2*pi*x)",0);
mgl_box(gr,1);
mgl_mark_y(gr,y,y1,"bs");
mgl_delete_data(y);
mgl_delete_data(y1);

Fortran code

integer y, y1, mgl_create_data_size
y = mgl_create_data_size(50,3,1)
y1 = mgl_create_data_size(50,1,1)
call mgl_data_modify(y,'0.7*sin(2*pi*x) + 0.5*cos(3*pi*x) + 0.2*sin(pi*x)',0)
call mgl_data_modify(y,'sin(2*pi*x)',1)
call mgl_data_modify(y,'cos(2*pi*x)',2)
call mgl_data_modify(y1,'0.5+0.3*cos(2*pi*x)',0)
call mgl_box(gr,1)
call mgl_mark_y(gr,y,y1,'bs')
call mgl_delete_data(y)
call mgl_delete_data(y1)

Python

y, y1 = mglData(50,3), mglData(50);
y.Modify("0.7*sin(2*pi*x)+0.5*cos(3*pi*x)+0.2*sin(pi*x)",0);
y.Modify("sin(2*pi*x)",1);     y.Modify("cos(2*pi*x)",2);
y1.Modify("0.5+0.3*cos(2*pi*x)");
gr.Box();
gr.Mark(y,y1,"bs");