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A Jenkins


Last seen: presque 3 ans il y a Actif depuis 2012

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Réponse apportée
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...

plus de 4 ans il y a | 0

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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...

plus de 5 ans il y a | 1

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

environ 9 ans il y a | 1

| A accepté

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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] ...

environ 9 ans il y a | 1

| A accepté

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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...

environ 9 ans il y a | 0

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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...

environ 9 ans il y a | 0

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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...

environ 9 ans il y a | 0

| A accepté

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

environ 9 ans il y a | 0

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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 9 ans il y a | 0

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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 9 ans il y a | 0

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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...

plus de 9 ans il y a | 1

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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?

plus de 9 ans il y a | 1

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

plus de 9 ans il y a | 0

| A accepté

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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...

plus de 9 ans il y a | 0

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

plus de 9 ans il y a | 0

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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

plus de 9 ans il y a | 0

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

plus de 9 ans il y a | 0

| A accepté

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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...

plus de 9 ans il y a | 0

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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....

plus de 9 ans il y a | 0

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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 ...

plus de 9 ans il y a | 0

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

plus de 9 ans il y a | 0

| A accepté

Réponse apportée
Derivative input 1 of 'PC_ECU_BHKW_V0_ohneNI/Motormodell_V0_1/GasolineEngine_V0_1/Lambda_Steuerung_V0_1/Lambda_Steuerung/PID Controller/Integrator' at time 0.201 is Inf or NaN. Stopping simulation. There may be a singularity in the solution. If not,
If there is not a <http://www.mathworks.com/matlabcentral/answers/99084-why-am-i-receiving-error-messages-about-singularities-...

plus de 9 ans il y a | 0

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The simulink simulation slows down when I use a switch, it does not give any error but it stays at .5 second indifinitely!
You have not <http://www.mathworks.com/help/simulink/ug/choosing-a-solver.html chosen the correct solver> for your application....

plus de 9 ans il y a | 0

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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...

plus de 9 ans il y a | 0

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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. ...

plus de 9 ans il y a | 1

| A accepté

Réponse apportée
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...

plus de 9 ans il y a | 0

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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>....

plus de 9 ans il y a | 1

| A accepté

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When will the Student version of Matlab 2014b or 2015a be out?
I would guess you will see 2015a in a month or so. See also <http://www.mathworks.com/matlabcentral/answers/169121-is-there...

plus de 9 ans il y a | 0

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please help me I want to import data to wok space and export data from work space during simulation in the same model ?
<</matlabcentral/answers/uploaded_files/24787/Capture6.JPG>>

plus de 9 ans il y a | 0

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solve equation for variable and how to get output as number not as substituted form
x1=rand(1); y1=rand(1); r = 10; v1= 2*rand(1); v2= 2*rand(1); syms t eq=(x1+t*v1)^2+(y1+t*v1)^2-r^2; ...

plus de 9 ans il y a | 0

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