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9 years, 136 days

Maple

what means the command that ...

Maple

what means the command that `linsolve` and

when

a:=matrix([[a1,a2],[b1,b2]])

b:=vector([c1,c2])

c:=transpose(a)

linsolve(c&*a,c&*b)

&* <<--- what is it

I wanna make a sphere not using a comman...

i want to make a solution that makes sphere not using Sphereplot()

i mean it`s fomula for a sphere that x^2+y^2+z^2=r^2

but, as you know

if i do like this

plot3d(x^2+y^2+z^2,x=0..1,y=0..1)

Warning, expecting only range variables [x, y] in expression x^2+y^2+z^2 to be plotted but found name z

how to make a sphere !?

How to solve the graph in x-y coordinate...

Maple

with(plots);

polarplot(1+2*sin(theta),theta=0..2*Pi);

it makes a graph made up of polar coordinate.

i wannna solve the question in cartesian coordinate

i wouldnt come up with ideas to solve it!!

please help me

for example)

y= r*sin(theta)

1+2y/r=r

y=(r^2-r)/2

...

...

y=x^n+x^n ....

x= something , something, something

it doesnt work !...

Maple 7

i asked it to show explanations

and got an solution about that, but it doesnt work in my Maple

i wanna know what do i wrong , why it`s not working right

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