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# A Jenkins

Last seen: 12 månader ago Active since 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...

mer än 2 år ago | 0

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...

nästan 4 år ago | 1

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

ungefär 7 år ago | 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] ...

ungefär 7 år ago | 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...

mer än 7 år ago | 0

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...

mer än 7 år ago | 0

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...

mer än 7 år ago | 0

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

mer än 7 år ago | 0

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?

mer än 7 år ago | 0

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...

mer än 7 år ago | 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...

mer än 7 år ago | 1

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?

mer än 7 år ago | 1

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

mer än 7 år ago | 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...

mer än 7 år ago | 0

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

mer än 7 år ago | 0

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

mer än 7 år ago | 0

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

mer än 7 år ago | 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...

mer än 7 år ago | 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....

mer än 7 år ago | 0

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 ...

mer än 7 år ago | 0

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

mer än 7 år ago | 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!

mer än 7 år ago | 0

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...

mer än 7 år ago | 0

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. ...

mer än 7 år ago | 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...

mer än 7 år ago | 0

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>....

mer än 7 år ago | 1

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

mer än 7 år ago | 0

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