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To determine the main coefficients  ,  , ...,  we need
11 12 nn
diagrams M , M , ..., M multiply to themselves according to
2
n
1
Vereshchagin, or use Mora’s formula
M 1M 1dx M 2M 2dx M n M ndx


11 
  ;  22  ; ...;  nn  .
l EJ z l EJ z l EJ z
To determine the adverse factors of canonical equations  ,  ,
12 23
...,  we need diagrams M 1 , M 2 , ..., M i
kn
multiply to the corresponding diagrams M , M , ...,
2
3
M k according to Vereshchagin’s method, or

M 1M 2dx M 2M 3dx M i M dx
k
12 
  ;  23  ; ...;   .
ik 

l EJ z l EJ z l EJ z
Recall the theorem of reciprocity of movement
   .
kn nk
To determine the free terms of canonical equations  ,  , ...,
1p 2 p
 we need freight diagram M multiplies to the corresponding
np p
unit diagram M , M , ..., M , or
2
n
1

M M 1dx M M 2dx M M ndx

1p 
  p ;  2 p  p ; ...;   p .
np 
l EJ z l EJ z l EJ z

3.3 Checking coefficients and free terms of the
canonical equations

For checking the rightness of determination coefficients and free
terms of canonical equations it is necessary to build a total unit
diagram, adding all unit diagrams, taking into account their signs.

M   M 1 M 2   M n . (3.3)

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