Why won't my graph plot

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Osamah Ahmed
Osamah Ahmed 2019-1-23
评论： Image Analyst 2019-2-16
x = (v^2*sin(theta)^2)/g; % Where the projectile lands if it does not split it up
y = x*tan(theta)-(g*x^2)/(2*v^2*cos(theta)^2);% The trajectory the projectile takes.
plot(x,y)
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Kevin Phung
Kevin Phung 2019-1-23
So it is plotting, but just a point.
You cant get a curve if you dont have a variable in your equation.
Walter Roberson
Walter Roberson 2019-1-23
Where is time in your equations ?

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回答（2 个）

Image Analyst
Image Analyst 2019-1-25
编辑：Image Analyst 2019-1-25
My attached projectile program (developed by me duing my son's college physics class) plots and computes just about everything you could possibly want regarding a drag-free projectile.
0001 Screenshot.png
madhan ravi
madhan ravi 2019-1-24
Put dots in front of ^ and * (element wise operation ) since x is a vector , you will get a curve.
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Chad Greene
Chad Greene 2019-2-15
@ImageAnalyst, they're easiest to find in the McMurdo Dry Valleys, where there's very little weathering. Footprints can stick around for decades there.
Image Analyst
Image Analyst 2019-2-16
Are they sitting on the snow, or gravel? How do they find them? By sight (sitting on snow) or my metal detectors?

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