WOLFRAM
|
DEMONSTRATIONS PROJECT
3D Graph of a General Quadratic Form
​
a
-
4
8
b
-
7
.
5
c
9
.
5
d
-
1
0
0
e
-
4
4
.
5
f
-
1
0
0
g
-
1
0
0
h
-
1
0
0
i
-
1
0
0
j
1
6
T
h
e
g
r
a
p
h
o
f
t
h
e
e
q
u
a
t
i
o
n
a
2
x
+
b
2
y
+
c
2
z
+
d
x
y
+
e
x
z
+
f
y
z
+
g
x
+
h
y
+
i
z
+
j
=
0
i
s
s
h
o
w
n
f
o
r
y
o
u
r
s
e
t
t
i
n
g
s
o
f
t
h
e
p
a
r
a
m
e
t
e
r
s
.
