I need to see the MatLab code used to calculate T using Matlabs function trapz.

Brake Pads and Numerical Integration

To simulate the thermal characteristics of disk brakes, D. A. Secrets and R. W. Hornbeck needed to approximate numerically the area-averaged lining temperature, T of the brake pad de?ned by:

where rl represents the radius at which the pad-disk contact begins, r0 represents the outside radius of the pad-disk contact, ?p represents the angle subtended by the sector brake pads, and T(r) is the temperature at each point of the pad, obtained numerically from analyzing the heat equation. Suppose rl = 0.308 ft, r0 = 0.478 ft, and ?p = 0.7051 radians, and the temperatures at equidistant points on the disk are listed in the table below.

r (ft)	T (?F)
.308	640
.325	794
.342	885
.359	943
.376	1034
.393	1064
.410	1114
.427	1152
.444	1204
.461	1222
.478	1239

Calculate T using Matlabs function trapz for both the integral in the numerator and the denominator. Save this number as A3.dat.

T = | rT(r) * Opdr)/( Sfor - onlin