Community Profile

# A Jenkins

Last seen: plus d'un an il y a Actif depuis 2012

All

#### Content Feed

Afficher par

A répondu
Bode Plot Display All Stability Margins
Adam Danz's method got me started, but didn't quite get me there, and I ended up using this one: (2019a) sys = rss(5); h = bo...

presque 3 ans il y a | 0

A répondu
Very slow when change current directory.
I had this problem on 2017a. It took minutes to change directories. Then I closed some of the open files in my editor and it g...

environ 4 ans il y a | 1

A répondu
So why doesn't this work?
z=y(X(1):X(4),3)

plus de 7 ans il y a | 1

| A accepté

A répondu
getting actual numbers instead of symbolic results when using solve
Why do you say it doesn't work? I see your answers returned as a structure: >> vals vals = lambda: [1x1 sym] ...

plus de 7 ans il y a | 1

| A accepté

A répondu
Removing repeat displays in Matlab
function y = fcn(u) persistent previous_u if isempty(previous_u) previous_u=0; end if u >= 0.5 && previ...

plus de 7 ans il y a | 0

A répondu
How can I modify the circuit to obtain constant power?
There is bound to be some numerical error in your simulation because you are finding a <http://en.wikipedia.org/wiki/Numerical_m...

plus de 7 ans il y a | 0

A répondu
Runing the simulink with different step time
Use a From Workspace block with a time series, or an array of time and signal values. There are <http://www.mathworks.com/h...

plus de 7 ans il y a | 0

| A accepté

A répondu
How can I parametrize the "From Workspace" block in Simulink?
set_param([sys '/From workspace'],'VariableName','x1')

plus de 7 ans il y a | 0

A répondu
how do i make this pv model work
Close the circuit. You say you have a source of current, so where does that current go? Perhaps a resistor as a load?

plus de 7 ans il y a | 0

A répondu
How to use message box?
msgbox(sprintf('Failure is at %d',failure)) or maybe you would rather put it on the plot directly: annotation('textbox...

plus de 7 ans il y a | 0

| A accepté

A répondu
Issues when multipling and summing very small values in a matrix
Your code as written only sums the value of the last column of _massplume_area.*constant_. Did you mean datamatrix(:, co...

presque 8 ans il y a | 1

A répondu
How to Determine the current/next Simulink TimeStep when running a simulation?
Are you looking for the <http://www.mathworks.com/help/simulink/slref/clock.html Clock> block?

presque 8 ans il y a | 1

A répondu
How to plot a for loop?
change elseif x>=5 to elseif x(k1)>=5

presque 8 ans il y a | 0

| A accepté

A répondu
How to exit background program using MATLAB?
It would probably be better to have your program terminate itself. However, if you are on Windows you can kill it using _taskki...

presque 8 ans il y a | 0

| A accepté

A répondu
Solving system of 5 variable
<http://www.mathworks.com/products/sysid/ System Identification Toolbox>

presque 8 ans il y a | 0

A répondu
Error using quad "Error using quad (line 75) The integrand function must return an output vector of the same length as the input vector."
There are two powers in that line and you have only replaced one. @(q,n0)((eq(q)) *^* 2+2*U*n0*(eq(q))) *.^* 0.5

presque 8 ans il y a | 0

A répondu
Outputting numbers into a single array when using a double for loop?
T(n)=max(x)

presque 8 ans il y a | 0

| A accepté

A répondu
How to increase count for different counters in if loop.
You are comparing the entire _itemtype_ array to the numbers 1 and 2. Perhaps you want to compare just one element of the array...

presque 8 ans il y a | 0

| A accepté

A répondu
Simulink interpolation using 4 different vectors
As it says, (1) use coder.extrinsic to add support for _griddata_ (2) Specifiy the size of the output data of your block....

presque 8 ans il y a | 0

A répondu
Invalid dimensions between blocks in Simulink
Do you want a 1x5 array of different random numbers, or the same 5 times? Either way, if you have u=[1x5] and Bd=[5x2], then ...

presque 8 ans il y a | 0

| A accepté

A répondu
How to create an array of numbers in simulink?
Put rand(1,10) in your constant block.

presque 8 ans il y a | 0

| A accepté

A répondu
The simulink simulation slows down when I use a switch, it does not give any error but it stays at .5 second indifinitely!

presque 8 ans il y a | 0

A répondu
Power system reliability with renewable DGs
For Simulink, take a look at <http://www.mathworks.com/products/simpower/ SimPowerSystems>. However, I think non-Mathworks pr...

presque 8 ans il y a | 0

A répondu
Crash of a single case terminates the whole optimization process
You can use a <http://www.mathworks.com/help/matlab/matlab_prog/use-trycatch-to-handle-errors.html try block> around your code. ...

presque 8 ans il y a | 1

| A accepté

A répondu
Major confusion for loops - precision not acquired
Play around with _vpa()_ and _digits()_ and make sure to read the help files on <http://www.mathworks.com/help/symbolic/precisio...

presque 8 ans il y a | 0

A répondu
Why does this matrix have zeros for all but one of the numbers?
Be careful with <http://www.mathworks.com/help/matlab/matlab_prog/array-vs-matrix-operations.html scalar and vector operations>....

presque 8 ans il y a | 1

| A accepté

A répondu
When will the Student version of Matlab 2014b or 2015a be out?

presque 8 ans il y a | 0

| A accepté

A répondu
please help me I want to import data to wok space and export data from work space during simulation in the same model ?