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Consider the beam shown in the figure below. Using MATLAB,

a) Find the reactions RAR~A~, RBR~B~
b) Find the bending stress σx σ~x~ at point O
c) Plot the variation of σx σ~x~ at point O as the inner radius of the tube is varied in the range 0.5 cm < ri r~i~ < 1.5 cm

This tutorial uses MATLAB version 7.1.

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The MATLAB solution is divided into the following steps:

• Step 1: Find Reactions RAR~A~, RBR~B~
• Step 2: Find σx σ~x~ for ri r~i~ = 1 cm
• Step 3: Plot σx σ~x~ vs. rir~i~
• Step 4: Plot σx σ~x~ vs. rir~i~: Take 2
• Step 5: Plot σx σ~x~ vs. rir~i~: Take 3

Conventions Used

In this tutorial, items and options appearing within the MATLAB graphical user interface are denoted in purple, italic, and bold.

Text and numbers that need to be entered are indicated in Courier monospace font.

Let's dive into step 1 without further ado.

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