121616949-math.297

121616949-math.297 - Color Axes and Pro-jection menus If...

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A.3 Plotting 283 plot([1+2*sin(t),t,t=-Pi..Pi], coords=polar); You can do plots in polar coordinates. In- side the square brackets, the first expression is the radius, the second is the angle, and the third is the range of the variable. In this case, the angle and the variable are the same, but in general the angle could be a more complicated function of the variable. plot({x^2,x^3},x=-5..5); plot({ [1+2*sin(t),t,t=-Pi..Pi], [cos(4*t),t,t=-Pi..Pi]}, coords=polar); You can put more than one curve in the same plot by enclosing a list of expressions in curly braces. r:=sqrt(x^2+y^2); f:=sin(r)/r; plot3d(f,x=-10..10, y=-10..10); Try changing the appearance of a 3D plot by using the
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Unformatted text preview: , Color , Axes and Pro-jection menus. If you position the cursor in the drawing area and press and hold the left mouse button, you can move the mouse to change the orientation of the plot—try it. with(plots): polarplot(1+sin(t)); polarplot(sin(t/3)); polarplot(sin(t/3), t=0. .3*Pi); When you start Maple, only the most ba-sic plotting commands are available. By typing “ with(plots) ” you tell Maple to load a number of special purpose plot-ting functions. One of the most useful is the polarplot routine shown here. By de-fault, Maple uses the range [-π, π ]; the last command shows how to specify a diﬀerent range....
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