Introduction to vectors, scripts, and functions, MATLAB Programming

In this lab, we study the three concepts. Vector is used to store more than one value into single variable. It is similar to array (other programming language). Script is a collection of statement which is stored into single file name. Function is used to solve the equation and return the result value. It has parameters also.

Sample of Vector:

» x=[-2:5]

x =    -2    -1     0     1     2     3     4     5

Sample of Script:

Impact_v1.m contains,

M=input('Enter the value of m, Mass of the Airplane : ');

V=input('Enter the value of v, Velocity of the Airplane : ');

D=input('Enter the value of Displacement, Displacement of the Airplane : ');

F=(0.5*M*V^2)/D;

disp('The value of the force is printed below : ');

F

How to run the Script?

            » run impact_v1

Sample functions:

function f = ImpactForce(m,v,d)

f = 0.5*m*v^2/d ;

We have learned how to work with vectors and plots. As a result of this lab we computed the impact force for initial velocities from 10m/s to 50m/s as shown in Figure 1. The computations are performed in the ImpactForceVec.m function and the script to set up the calculation is called Impact_v3.m.

297_Introduction to Vectors, Scripts, and Functions.png

Figure 1: The figure shows the impact force on the building for initial speeds ranging from 10m/s to 50m/s. The mass of the aircraft is taken to be 10,000kg, and a stopping distance of 15m is used.

Posted Date: 3/9/2013 1:21:58 AM | Location : United States







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