# Robert

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**Content Feed**

Question

Issues with Simulink unit delay

ok so apparenlty im stupid or something all i want to do is phase shift a digital signal. Say i have a square wave signal th...

13 days ago | 1 answer | 0

### 1

answerQuestion

Parfor general question and thought

I want to have 4 parfor loops and assign a worker to each loop so they execute together . is that possible? Or am I missing the ...

2 months ago | 1 answer | 0

### 1

answerQuestion

append rows of a table

So i would like to take two tables lets say T1 and T2 I want to take a single line if T2 and append it to the end of T1. I fou...

2 months ago | 1 answer | 0

### 1

answerQuestion

cant put char array in a table of char!

No sure how this is even possible. I have a table of type char and im trying to put char array in a location using { } bracket...

2 months ago | 1 answer | 0

### 1

answerhow to use setvartype on a table that is already existing

Does anyone know how to do this? I am at a complete standstill All i want to do is create a table of one variable type! Why is ...

2 months ago | 0

Question

how to use setvartype on a table that is already existing

i am struggling with tables very badly. I can not find a single shred of information on how to use setvartype function on an e...

2 months ago | 5 answers | 0

### 5

answersreadtable() on a csv is bringing in "missing" values when its a letter but reads fine when its a number

Thanks for all your suggestions

2 months ago | 0

Question

readtable() on a csv is bringing in "missing" values when its a letter but reads fine when its a number

So im a bit frustrated with tables. There seems to be many many bugs with this data type. So im using read table to read in a ...

2 months ago | 2 answers | 0

### 2

answersQuestion

Problem with Polyval, potential bug

So i am having a bug with poly val. I am issuing the function two vectors. The first being a vector of coeficients. The sec...

7 months ago | 1 answer | 0

### 1

answerQuestion

get user input in the form of an integer

I want to get user input in the form of an integer I cant beleive i have to go to the forum to find something so simple with ...

1 year ago | 2 answers | 0

### 2

answersQuestion

Difficulty with i2c Read Register. Not enough information in the doc

So i am working with an I2C device and reading in 8 bit register data The problem is the following. The doc does not allow fo...

4 years ago | 1 answer | 0

### 1

answerQuestion

Anyone know where this simulink block comes from? Not in my library

So i have a model block that the provider says is in the standard library. He was using an older version so perhaps there is a n...

4 years ago | 1 answer | 0

### 1

answerQuestion

Confusion with step response and laplace inverse

Hey all Im hoping someone can explain this This is fairly embarrassing i don't remember why this is not working out Sim...

4 years ago | 1 answer | 0

### 1

answerQuestion

Embarrassing Laplace question using ilaplace

I always get stuck using ilaplace And then 6 months goes by and i get stuck again because i don't use it often enough Im jus...

4 years ago | 2 answers | 0

### 2

answersQuestion

Arduino simulink problems seems to be a theme

So I'm trying to explore simulink and arduino a bit Just followed a basic example Cant get it to work I continue to get...

4 years ago | 2 answers | 0

### 2

answersMatrix dimensions must agree

Sorry i looked into it further. p2 and t2 are the same size the problem is r r is 1 by 301 p2 and t2 are 101X101

5 years ago | 0

Question

rlocus showing overshoot, step showing none?

So i have a simple system more or less and rlocus when using the data point is showing overshoot of 13% however stepping the sy...

5 years ago | 1 answer | 0

### 1

answerQuestion

Symbolic solver help again

So i have had multiple issues with the solver getting different values because matlab has allowed so many intricacies with this ...

5 years ago | 1 answer | 0

### 1

answerQuestion

Polarplot plotting a single point not a line

Just like it says Polarplot is plotting only a single point when the doc clearly says it plots a line out from some theta and...

5 years ago | 1 answer | 0

### 1

answerQuestion

problem with subs function

I use this command daily and sometimes it works and sometimes i get an error. I am obviously not understanding the complexity...

5 years ago | 4 answers | 0

### 4

answersQuestion

simple complex plot of a few points

All i want to do is plot a few points on a complex plot aka the S Plane If i want to plot a single point at say -2 + 2*sqrt(3...

5 years ago | 1 answer | 0

### 1

answerQuestion

Help with symbolic toolbox

Struggling with symbolic toolbox again All i want to do is the following. I want to give it an equation called ess that has...

5 years ago | 1 answer | 0

### 1

answerQuestion

Serial rs232/422 500K baud in simulink real time

Hello For some time now i have been exploring the possibilities of streaming serial data in real time into matlab. I have a ...

5 years ago | 1 answer | 1

### 1

answerI can not solve a simple equation solve(sin(x)==1,x)

I am on 2016b i also received pi/2

5 years ago | 0

Question

link data problem for a polar plot

I am essentially using the example from the doc nearly verbatim and can't get this to work Master is a matrix that is continuou...

5 years ago | 0 answers | 0

### 0

answersHow to allow a Matlab GUI using guide to have access to serial port objects

Im going to answer my own question incase someone else needs this and how i fixed the issues Simply adding the following comm...

5 years ago | 0

| accepted

Question

How to allow a Matlab GUI using guide to have access to serial port objects

So i have a little gui running and appears to be working. However one of the buttons is setup to execute a function that involv...

5 years ago | 1 answer | 0

### 1

answerQuestion

If statement for a button push in matlab GUI using guide

Hey all Im pretty new at the matlab GUI game. Ive made a few simple ones using the guide before What I'm up to is the follow...

5 years ago | 1 answer | 0

### 1

answerOrder of polynomial display: increasing order of powers?

Hey there So this is a bug in matlab I found the bug a few weeks ago and it should be fixed in the next release It turns ...

5 years ago | 0

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...

5 years ago | 2

| accepted