# How can I connect my equations for a shear/bending moment diagram?

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matlabuser el 24 de Abr. de 2020
Respondida: Pravin Jagtap el 27 de Abr. de 2020
I have a 1.2 m beam. That is the vector l. SN1, SN2, and SN3 represent the three equations for my shear force diagram. When I go to plot them, they are disconnected. That is the problem. How can I make my plot connect the end of one line segment to the beginning of the next?
l = 0:.001:1.2;
SN1 = -150*(l(logical(S1)));
SN2 = -150*(l(logical(S2))) + 90;
SN3 = -150*(l(logical(S3))) + 180;
plot((l(logical(S1))), SN1, 'r')
hold on
plot((l(logical(S2))), SN2, 'r')
plot((l(logical(S3))), SN3, 'r')
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matlabuser el 25 de Abr. de 2020
plot((l(logical(S1))), SN1, 'r',(l(logical(S2))), SN2, 'r',(l(logical(S3))), SN3, 'r')
This is another way that I have plotted the functions. They are still disconnected in the same way, though. Hopefully this will help identify the problem in another way.
darova el 25 de Abr. de 2020
Editada: darova el 25 de Abr. de 2020
plot(l([S1 S2 S3]~=0),[SN1 SN2 SN3])

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### Respuestas (1)

Pravin Jagtap el 27 de Abr. de 2020
Hello,
I would recommend you to take a look at this question which deals with the similar issue of plotting shear force and bending moment diagram:
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