theorem Th08:
for
M being
Matrix of 3,
F_Real for
a,
b,
c,
d,
e,
f,
g,
h,
i,
x,
y,
z being
Element of
F_Real for
v being
Element of
(TOP-REAL 3) for
uf being
FinSequence of
F_Real for
p being
FinSequence of 1
-tuples_on REAL st
p = M * uf &
v = M2F p &
M = <*<*a,b,c*>,<*d,e,f*>,<*g,h,i*>*> &
uf = <*x,y,z*> holds
(
p = <*<*(((a * x) + (b * y)) + (c * z))*>,<*(((d * x) + (e * y)) + (f * z))*>,<*(((g * x) + (h * y)) + (i * z))*>*> &
v = <*(((a * x) + (b * y)) + (c * z)),(((d * x) + (e * y)) + (f * z)),(((g * x) + (h * y)) + (i * z))*> )