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Sam9530130

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16 years, 349 days
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These are questions asked by Sam9530130

3D Cube...

Sam9530130 332 Maple
November 17 2008
4 2

I got my 8 coordonates, I wanna plot a cube. When I all my coords in pointplot3d, it connects p1 to p2 to p3 ..to p8 so it doesn't make a cube. How do I make it so it connects the coords I want to make the cube. Thank you

Kirchhoff and linear systems...

Sam9530130 332 Maple
October 18 2008
3 3



I need to find I1 to I9. I need to find this using the Kirchhoff's Current Law and Kirchhoff's Voltage Law. ( we haven't seen yet what both of these laws are)

Magic square...

Sam9530130 332 Maple
October 04 2008
6 3

I need to create a magic square of order n=4 using a Matrix.

I have tried many linear equations system. Got me nowhere so far.

Air minimal between 2 curves [0,1], Answ...

Sam9530130 332 Maple
March 22 2008
10 1
For which value of c is the area between f(x) and g(x) minimal?  f(x) and g(x) are both continuous   ( in the interval [0,1] )        

> g := x-> piecewise(0<=x and x<=c, m1*x+b1, c<x and x<=1, m2*x+b2);

f := x-> x^3;

 

 

Integers...

Sam9530130 332 Maple
integral
March 14 2008
2 0

I need to do the integral of a certain function by using

a) Rectangles method

- Would it be sum(f,x=a..b,n) ?

b)Trapezoid method ( I can not use trapezoid() )

c)Simpson's method ( I can not use simpson() )

I know how to do them without Maple, but with Maple I have no idea.

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