A Jenkins

Last seen: mehr als 3 Jahre vor | Aktiv seit 2012

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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...

fast 5 Jahre vor | 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...

etwa 6 Jahre vor | 1

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

mehr als 9 Jahre vor | 1

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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] ...

mehr als 9 Jahre vor | 1

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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...

mehr als 9 Jahre vor | 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...

mehr als 9 Jahre vor | 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...

mehr als 9 Jahre vor | 0

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

mehr als 9 Jahre vor | 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?

mehr als 9 Jahre vor | 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...

mehr als 9 Jahre vor | 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...

mehr als 9 Jahre vor | 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?

mehr als 9 Jahre vor | 1

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

mehr als 9 Jahre vor | 0

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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...

mehr als 9 Jahre vor | 0

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

mehr als 9 Jahre vor | 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

mehr als 9 Jahre vor | 0

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

mehr als 9 Jahre vor | 0

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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...

fast 10 Jahre vor | 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....

fast 10 Jahre vor | 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 ...

fast 10 Jahre vor | 0

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

fast 10 Jahre vor | 0

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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-...

fast 10 Jahre vor | 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....

fast 10 Jahre vor | 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...

fast 10 Jahre vor | 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. ...

fast 10 Jahre vor | 1

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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...

fast 10 Jahre vor | 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>....

fast 10 Jahre vor | 1

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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...

fast 10 Jahre vor | 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>>

fast 10 Jahre vor | 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; ...

fast 10 Jahre vor | 0

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