Dificulty plotting graph of function for basic bending moment graph
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Have been having issues making a system that creates bending moment graphs,
The graph appears to be the correct shape, but i cannot figure out, how to only plot the graph from 0 to the beam lengh
clc
%bending moments calculator
syms X
%force 1
F1=50
%total beam lengh
LT=4
%f1 distaance from left support (b)
L1=1
%reactions right support (a)
REND= (L1*F1)/LT
%reactions at left support (c)
RST= ((LT-L1)*F1)/LT
%FROM A TO B
M1=RST*X
%FROM B TO C
M2=RST*X-F1*(X-(L1))
fplot(M1)
hold on
fplot(M2)
hold off
采纳的回答
Use the second argument to fplot to limit the independent variable range —
%bending moments calculator
syms X
%force 1
F1=50
%total beam lengh
LT=4
%f1 distaance from left support (b)
L1=1
%reactions right support (a)
REND= (L1*F1)/LT
%reactions at left support (c)
RST= ((LT-L1)*F1)/LT
%FROM A TO B
M1=RST*X
%FROM B TO C
M2=RST*X-F1*(X-(L1))
figure
fplot(M1,[0 LT])
hold on
fplot(M2,[0 LT])
hold off
.
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