Question

Write a .m function file on MATLAB that reads the parameters stored in the file missile data.txt into MATLAB. The function should have the following declaration: function [X0, Y0, Z0, m0, mf, Thmag0, theta, phi, Tburn] = read input( input filename, M id) where input filename is a string variable denoting the name of the file to be read and M_id is an integer which denotes the missile ID. The outputs are the initial position (X0, Y0, Z0), initial and landing mass (m0, mf), initial thrust magnitude (Thmag0), aunch angles (theta and phi) and burn time (T burn). When the input M_id is not available in the file, the function should set all outputs to NaN and display an error warning message to screen. Use "importdata" or "textscan" function to read the parameters.

The text file is:

# Missile parameters in the following order from left to right:
# Missile ID
# Initial position in X0, Y0, Z0 coordinate (m)
# Initial mass and landing mass: m0 and mf (kg)
# Initial thrust magnitude Thmag0 (N) 
# Direction angle (degree): theta, phi
# Burn time Tburn (s)   
1       0.12    29999.14        1.54    700     90      100000.00       -41.24  52.01   11.11
2       0.15        0.54        2.54    700     90      101000.00        32.65  53.02   11.05
3       0.10      101.43        2.43    700     90       99000.00        20.18  53.62   11.09
4       0.16    29812.45        2.12    700     90       96000.00       -15.65  50.51   11.13
5       0.11    15432.98        0.15    700     90       90000.00         5.86  49.07   11.02
6       0.14    29934.54        2.24    700     90       85000.00       -25.34  51.52   11.05
7       0.13      212.43        1.23    700     90       80000.00        10.24  50.05   11.98
        

Answer 1