First order system

Matlab symbolic math

order1Step Java

Simulation Using ltiviewer

sys1=tf(1,[1 1])

sys2=tf(1,[2 1])

sys3=tf(1,[3 1])

ltiview

order1.m

Using Matlab Symbolic math toolbox

Note: There is a bug in Matlab using y1=subs(y,1,'T')

order1symbolic.m

Matlab symbolic math

order1a.m

Bode Diagram

Asymptotic Curve

Phase

Exact Curve

Break Frequency

The bandwidth is the frequency at which the frequency response has declined 3dB from its low-frequency value.  (P.459)

bandwidth(sys) ---> 0.4988

order1Bode_01.mdl             order1FR_01.m           Frequency response

order1freq  Java

order1b.m

Low Pass Filter

order1Filter.mdl

High pass filter

order1c.m

Integrator