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...

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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+...

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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...

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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...

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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...

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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 ....

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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...

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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...

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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...

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

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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

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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...

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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...

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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...

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

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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...

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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. ...

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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...

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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...

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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...

6年以上 前 | 1 件の回答 | 0

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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...

6年以上 前 | 2 件の回答 | 0

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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...

6年以上 前 | 1 件の回答 | 0

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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...

6年以上 前 | 3 件の回答 | 0

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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...

7年弱 前 | 1 件の回答 | 0

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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...

7年弱 前 | 1 件の回答 | 0

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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....

7年弱 前 | 2 件の回答 | 0

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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...

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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...

7年以上 前 | 0

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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...

7年以上 前 | 2 件の回答 | 0

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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...

8年弱 前 | 2 件の回答 | 1