9.5.1 1D plot sample

C++ code

mglData y0(50);		y0.Modify("sin(pi*(2*x-1))");
gr->SubPlot(2,2,0);
gr->Plot(y0);		gr->Box();

gr->SubPlot(2,2,1);
mglData y1(50,2);
y1.Modify("sin(pi*2*x-pi)");	y1.Modify("cos(pi*2*x-pi)/2",1);
gr->Plot(y1);		gr->Box();

mglData x(50);		x.Modify("cos(pi*2*x-pi)");
gr->Plot(x,y0,"Y+");

gr->Plot(y1.SubData(-1,0),y1.SubData(-1,1),"q|");

gr->SubPlot(2,2,2);	gr->Rotate(60,40);
mglData z(50);		z.Modify("2*x-1");
gr->Plot(x,y0,z);		gr->Box();

mglData y2(10,3);	y2.Modify("cos(pi*(2*x-1-y))");
y2.Modify("2*x-1",2);
gr->Plot(y2.SubData(-1,0),y2.SubData(-1,1),y2.SubData(-1,2),"bo ");

gr->SubPlot(2,2,3);	gr->Rotate(60,40);
gr->Bars(x,y0,z,"ri");		gr->Box();

MGL code

new y0 50: modify y0 'sin(pi*(2*x-1))'
subplot 2 2 0
plot y0: box

subplot 2 2 1
new y1 50 2
modify y1 'sin(pi*2*x-pi)'
modify y1 'cos(pi*2*x-pi)/2' 1
plot y1: box

new x 50: modify x 'cos(pi*2*x-pi)'
plot x y0 'Y+'
plot y1(:,0) y(:,1) 'q|'

subplot 2 2 2:rotate 60 40
new z 50:   modify z '2*x-1'
plot x y0 z 'g':box
new y2 10 3
modify y2 'cos(pi*(2*x-1-y))'
modify y2 '2*x-1' 2
plot y2(:,0) y2(:,1) y2(:,2) 'bo '

subplot 2 2 3:rotate 60 40
bars x y0 z 'r':box