Réponse apportée

How to find the inverse transfer function of a system?

Well you have a lot going on. Do you understand the fundamentals of going back and forth between Transfer function and diffe...

How to find the inverse transfer function of a system?

Well you have a lot going on. Do you understand the fundamentals of going back and forth between Transfer function and diffe...

plus de 7 ans il y a | 3

| A accepté

Question

More symbolic trouble substituting

Matlab will not substitute values as it is being instructed. syms s k e c r r = c + e e = ((2s^3+4*s^2+...

plus de 7 ans il y a | 1 réponse | 0

Question

Matlab strikes again with missing functionality for bode plots

Per usual I'm spending my weekends fighting with software that has the functionality of a ti89 I would like to have a sliding...

plus de 7 ans il y a | 2 réponses | 0

Question

More symbolic solver issues

Im really getting tired of matlab being shown up by wolfram alpha. A program designed for high school kids Very simple bit of...

plus de 7 ans il y a | 1 réponse | 0

Question

multivariable Root Locus plots

I would like to get an Rlocus plot of a transfer function containing multiple variable. For the sake of the example we can ju...

plus de 7 ans il y a | 1 réponse | 0

Question

Matlab printing and crashing mac 64 bit 2016b

This is complete lunacy. Matlab makes the simplest tasks unbelievably hard. I have no spent 3 hours trying to print out an ....

plus de 7 ans il y a | 1 réponse | 0

Question

More laplace inverse problems

I can not get a distinct answer from the ilaplace function almost ever This is incredibly annoying. This transfer function i...

plus de 7 ans il y a | 1 réponse | 0

Question

Coeffs functions needs revision

I have now spent half a day digging through piles of code because no one has apparently caught this before The coeffs functio...

plus de 7 ans il y a | 1 réponse | 0

Question

Ramp/step response of LTI system not matching up

So i know this is a rather useless bunch of code but these two examples should match each other and they are not Obviously if...

plus de 7 ans il y a | 1 réponse | 0

Question

Strange ilaplace answer?????

Obviously I'm doing something wrong here Why am i getting such a strange answer for an inverse laplace?? syms s tf = ...

plus de 7 ans il y a | 2 réponses | 0

Question

change marker size in a pzmap??

How do i change the marker size in a pzmap set(0,'DefaultLineMarkerSize',12); this does not effect a pzmap

plus de 7 ans il y a | 2 réponses | 1

Question

Very simple mathworks own example code from website will not run

Matlab has posted this example code found here <https://www.mathworks.com/help/control/ref/pzmap.html> and yet it won't ru...

plus de 7 ans il y a | 1 réponse | 0

Question

How to create a transfer function with Gain K

there was a previous post about this but it was never resolved how does one create a TF with K = to some gain? except K is n...

plus de 7 ans il y a | 2 réponses | 0

Réponse apportée

Creating transfer function with a variable gain "k"

This problem was never really solved and now i have the same one. How do you handle this? You create a transfer function with...

Creating transfer function with a variable gain "k"

This problem was never really solved and now i have the same one. How do you handle this? You create a transfer function with...

plus de 7 ans il y a | 2

Question

1st attempt at learning simulink and I'm rewarding with a mess

<</matlabcentral/answers/uploaded_files/60319/Screen%20Shot%202016-10-01%20at%209.34.26%20AM.png>> Was using simulink with a ...

plus de 7 ans il y a | 2 réponses | 0

Question

Cos Magnitude changing for unknown reasons

This is probably not mat labs fault but i don't understand why my magnitude is changing If i plot .5*cos(x) no surprise...

plus de 7 ans il y a | 1 réponse | 0

Question

Plotting Cos complete stupidity

I have been plotting trig functions like this for years in matlab with zero problem Now all of a sudden it no longer works. ...

plus de 7 ans il y a | 1 réponse | 0

Question

plotting a simple constant

Matlab strikes again with stupidity Been using matlab for years and still fighting ridiculous problems x = [1:.5:10] y = x.*4...

plus de 7 ans il y a | 4 réponses | 2

Question

Matlab Serial Communication on MAC

So Im trying to open a com port on mac osx According to a tutorial from math works I'm suppose to use the following Mac OS...

plus de 7 ans il y a | 2 réponses | 0

Question

symbolic solver strikes again!

Someone please tell me why this doesn't work. I have used symbolic solver many times and every time i do i end up wishing i p...

presque 8 ans il y a | 1 réponse | 0

Question

Setting a constraint for a symbolic solve with a system of equations ?

So I'm fooling with the symbolic solver And I'm getting returned values of 0X1 Im assuming that is because there is no solut...

environ 8 ans il y a | 2 réponses | 0

Question

simple syntax problem need help "curly braces"

Im completely confused what matlab is doing here Can someone tell me I tried using help file but don't get what its talkin...

environ 8 ans il y a | 1 réponse | 0

Question

Solving systems of equations symbolically

Ive been trying to get matlab to solve a system symbolically for 2 days I find it hard to believe that this thing can't do what...

environ 8 ans il y a | 3 réponses | 0

Question

formatting understanding with different specifiers

Im confused over the following field specifiers I was always under the impression and also by definition in matlab documentat...

environ 8 ans il y a | 1 réponse | 0

Question

How do i get matlab to break from a nested loop but then go back into the loop?

So ill try to be as clear as i can Im basically trying to do a double summation here. The problem is there are two variabl...

plus de 8 ans il y a | 1 réponse | 0

Question

Having trouble with the image aq

Hi So i just got the image Aq toolbox and I'm trying to following a bit of example code on the math works site http://www....

plus de 8 ans il y a | 2 réponses | 0

Question

plot a function of two variables

For the life of me i can't get this to work Very simple I want to say the following RC = [0: 50,000]; RE = [ 0 : 50,000...

plus de 8 ans il y a | 1 réponse | 0

Réponse apportée

Bode Plot Axis Change

All, i figured out my issue and maybe this will help someone in the future. My numerator has the highest power of S as the 1s...

Bode Plot Axis Change

All, i figured out my issue and maybe this will help someone in the future. My numerator has the highest power of S as the 1s...

presque 9 ans il y a | 0

| A accepté

Question

Bode Plot Axis Change

Hello Im trying to learn the bode plot tool Here is what i have Here is my tf function Am i inputting it correct? The pl...

presque 9 ans il y a | 2 réponses | 0

Question

plotting a vector field in polar coordinates

I have a Field given by 3 components. < rho theta z> in cylindrical E = p*cos(theta),P*sin(theta),z^2 I wish to plot this v...

plus de 9 ans il y a | 2 réponses | 1