AndrewG

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10 years, 8 days

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These are questions asked by AndrewG

I'm attempting to use the GoogleMaps command however it doesn't appear to work

FindLonLat("Waterloo") just returns the command.  What now?

What is the best way to plot integer value solutions to the eqaution 5*x+3*y=100 ?

with(plots):
implicitplot(5*x+3*y=100,x=0..20,y=0..20) - plots all values although I 'd like to see just integer solutions.

I couldn't find an option to find a best fit line passing through a specified point in your data.  How do you do that?

I would like the best fit line to pass through [2,21]

restart

pts := [[0, 0], [1, 13], [2, 21], [6, 45], [12, 54], [15, 77]]

plot(pts)

 

pts1 := Vector([0, 1, 2, 6, 12, 15])

pts2 := Vector([0, 13, 21, 45, 54, 77])

with(Statistics)

L := LinearFit(b*x+a, pts1, pts2, x)

HFloat(8.154639175257726)+HFloat(4.474226804123712)*x

(1)

plot({L, pts})

 

``


 

Download test.mw

I want to animate a ball rolling on the surface cos(abs(x)+abs(y)).  The ball mass m is 1kg, radius r is 0.1meters starts at (0.5,0.5,cos(abs(5)+abs(5))) meters using g=9.8.  If we say the initial velocity of the ball is pushed in some random direction.  How do I show the path of the ball and animate?

There is a horse a buggy ride around a small village which takes roughly 30 minutes.  Here is an example timing for 12 consecutive rides [34, 29, 32, 32, 28, 28, 27, 28, 39, 24, 27, 27].

How can I create a monte carlo simulation graph that would estimate the future times based on given data?  Do I randomly pick numbers from the given list for a simulation or generate random numbers based on mean and standard deviation generated from the data?

When would the best possible time to come back after 4 rides be?

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