Question

MATLAB SISOTool plot options

Hi, Is anyone familiar with plotting in the Matlab SISOtool? For some reason, I cannot access the plot options to change th...

7 years ago | 0 answers | 0

Question

customizing line thickness for non-plot function graphs

Hi, I'm using the SISOtool control systems design toolbox and want to find a way to get thicker lines for my graphs. In par...

7 years ago | 0 answers | 0

Question

besselj and transfer functions?

Hi, I want to use the function call besselj(nu,Z) with Z is some transfer function. I get an error which says that the inpu...

8 years ago | 1 answer | 0

Question

vector to sys transformation for bode plot

Hi, As background, I am trying to use the bode() function. I know that you can extract vectors from a bode(sys) by doin...

8 years ago | 1 answer | 0

Question

bode plot discrepancy

i am plotting some bode plots, and i found the following discrepancy, and I'm not quite sure what is the root cause of it. My c...

8 years ago | 2 answers | 0

Question

square root of a transfer function

Hi, I am trying to find the magnitude of my system 'sys', so i know i have to take the square root of a transfer function in...

8 years ago | 0 answers | 0

Question

bode plot overflow?

Hi , Im trying to plot a bode plot but i get the following error. >> bode(gamma20,{1000,1e6}) Warning: The data can...

8 years ago | 1 answer | 0

Answered

bessel functions

I have solved this issue. I should have started the iterations at 0 instead of 1. Thread closed. Thanks

bessel functions

I have solved this issue. I should have started the iterations at 0 instead of 1. Thread closed. Thanks

8 years ago | 0

| accepted

Answered

bessel functions

I want to also add that i tried to use the doc besselj and then formula that was presented there. However, I still d...

bessel functions

I want to also add that i tried to use the doc besselj and then formula that was presented there. However, I still d...

8 years ago | 0

Question

bessel functions

Hi, I am trying to write a code to calculate the bessel functions of the first kind. The equation is given here: http://en....

8 years ago | 4 answers | 0

Question

extracting values from bode()

Hi, I know that you can do the following to get the magnitude phase and w from using the bode() call (which requires transfe...

8 years ago | 1 answer | 0

Answered

bode() magnitude

SOrry as another question, I noticed that when you do [mag, phase, wout] = bode(a) it draws only about 45 points. Is ...

bode() magnitude

SOrry as another question, I noticed that when you do [mag, phase, wout] = bode(a) it draws only about 45 points. Is ...

8 years ago | 0

Answered

bode() magnitude

i think i found out the problem. wout must be divided by 2pi to get the correct plot.

bode() magnitude

i think i found out the problem. wout must be divided by 2pi to get the correct plot.

8 years ago | 0

Answered

bode() magnitude

hey thanks for your answer. i have a followup question. what i did after. so i have [mag,phase,wout] = bode(sys); m...

bode() magnitude

hey thanks for your answer. i have a followup question. what i did after. so i have [mag,phase,wout] = bode(sys); m...

8 years ago | 0

Question

bode() magnitude

Hi, I Have seen the code [ mag,phase] = bode(sy s) but when i try to see the values of mag, or phase, it returns somethi...

8 years ago | 5 answers | 0

Question

plotting the frequency spectrum

Hi, I am having trouble plotting the frequency spectrum of a sine wave. For this code, i expect the main frequency component...

8 years ago | 6 answers | 0

Question

sine wave plot

Hi, I am having some trouble plotting a sine wave and i'm not sure where i am going wrong. i have t = [0:0.1:2*pi] ...

8 years ago | 7 answers | 2

Question

writing transfer functions in matlab

Hi, I want to write a transfer function in matlab. I know we usually write in the following way trans = tf([1 0 0], [1 0 1...

8 years ago | 3 answers | 0

Question

transfer function multiplication and plotting

hi have some code that looks like TF = tf(num,den,1/(60)); g1 = 10*TF; f = iztrans(g1) but when i do this, matlab ...

9 years ago | 1 answer | 0

Answered

multiple bode plots on same graph

unfortunately it is not that simple. my code looks more like g = tf([1 0.1 7.5],[1 0.12 9 0 0]); bode(g) hold on semilo...

multiple bode plots on same graph

unfortunately it is not that simple. my code looks more like g = tf([1 0.1 7.5],[1 0.12 9 0 0]); bode(g) hold on semilo...

9 years ago | 1

Question

multiple bode plots on same graph

Hi, Does anyone know how to plot multiple bode plots using the "bode" function? I know that the easiest way to do this woul...

9 years ago | 5 answers | 0

Question

noisy bode plot data

Hi, i have some pretty noisy bode plot data that i would like to do a curve fitting on. Does anyone know if matlab has some...

9 years ago | 1 answer | 0

Question

curve fitting in the frequency domain

hi, i am looking to get some frequency response data, in the form of a bode plot. When i obtain this data, i would like to ...

9 years ago | 0 answers | 0

Question

unwrapping the phase in SISO designer

Hi, im using the siso design tool. does anybody know how i can unwrap my phase plot? on a normal bode plot figure, i can j...

9 years ago | 1 answer | 0

Question

normalise a transfer function

Hi, I have an eighth order s-domain transfer function. Is there a way i can normalise this equation in matlab with respect ...

9 years ago | 0 answers | 0

Question

rltool SISO design tool

Hi, i am using the SISO design tool (matlab function rltool) to design a compensator. in my frequency response, i have a re...

9 years ago | 1 answer | 0

Question

Unobtainable bode plot ?

Hi, I am using the bode( and margin( functions. (both are used to make Bode plots) The issue I am having is with getting...

9 years ago | 1 answer | 0

Question

cubic equations

Hi all, I was wondering if matlab had a function that can decompose my cubic function into something simpler. My preference ...

9 years ago | 1 answer | 0

Answered

Matlab compilation inconsistancies

no they do not have the same processor. but doesn't that seem very strange? it would be highly improbable for different people ...

Matlab compilation inconsistancies

no they do not have the same processor. but doesn't that seem very strange? it would be highly improbable for different people ...

9 years ago | 0

Question

Matlab compilation inconsistancies

Hi, im having a strange problem where if i run my matlab script on my home computer, it seems to work fine, but if run on a diff...

9 years ago | 2 answers | 0