How do I restrict my data that needs to be plotted?
C = A(60,:); indices = C<40000; C_in_Range = C(indices); plot(C_in_Range) axis([200,300,0,40000])

9 years ago | 0

Vary Variable name in a for loop
you can create a name with this: myvarname = cell(3,1); for j=1:3 myvarname{j} = sprintf('Trace_1_1_%u_1',j) end ...

9 years ago | 0

How to convert daily data to monthly?
Every 30 data rows, I would average them out and save it in 1 row.This way, 30 days shrinks down to 1 data (a month). Or another...

9 years ago | 0

using ssSetNumInputPorts but no change in inputports...
You need to command MEX thenameofyourCcode In MATLAB's command window, and then reopen the model to see the change.

9 years ago | 0

Simulink: combine real and complex signals
In Simulink there are blocks that handle complex numbers. Open the Simulink Library browser and in the search box on the top ...

9 years ago | 0

Does ode45 hits events depending on the maxStep value?
As far as for a numerical ODE solver, i.e. ODE45, you can never get anything exact. Your solution is not exact and the events so...

9 years ago | 0

How to input and solve non-linear system of equations in a matrix form
Offcourse you cannot write a nonlinear equation in a matrix form. Matrix form is only possible for linear sets of equations....

9 years ago | 0

How to open a file and store it in cell array?
YourFilePath = 'C:\My Documents\Myfolder1\myfile.txt'; fid = fopen(YourFilePath ,'w'); fprintf(fid,'whatever I want...

9 years ago | 0

I'm trying to find if certain points are inside or outside a polygon
I think one should be able to easily do a simple inequality and find out of a point is outside or inside a closed curve. Here's...

9 years ago | 0

Question

How to save a buffer from a tlc file and use it in another tlc file
In writing TLC files, I want to open a buffer and write stuff there and close it and use the buffer at another TLC file which wi...

9 years ago | 2 answers | 0

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[simscape] how can I write a difference between output and input?
M = foundation.thermal.thermal; M is defined as an element of a structure. The structure names are fixed. I don't know if yo...

9 years ago | 0

Optimization using fmincon for a simulink model
My suggestion, move everything in MATLAB script language (m-files) if possible and don't do an optimization in Simulink. You can...

9 years ago | 0

my matlab does not recognize the function sym. how can I solve this problem?
you need to purchase the Symbolic Math Toolbox. You probably don't have it. check syms x;

9 years ago | 0

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any application closing using matlab
You need to execute a dos command. Here's a piece of MATLAB's help: Please see the documentation on status = dos(command)...

9 years ago | 0

How do you get Matlab to return a value for how many 1's are in a vector containing just 1's and zeros
>> greencars=[1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0] >> numer_of_ones = sum(greencars)

9 years ago | 1

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You can use, Simulink block named "Signal Generator" or "Repeating Sequence" or a "Pulse Generator" in the sources library of Si...

9 years ago | 0

Creating a movie for n-body simulations
use "getframe" and "addframe" to "avifile" object. Look them up in help to learn how to make a movie. if you have the center o...

9 years ago | 0

Calculating time for an external application executated from matlab
in MATLAB script tic % your calcs time = toc gives you the time in seconds.

9 years ago | 0

Multiply matrices with complex values
The result is equivallent to A = [1+1i, 2+2i; 3+3i 4+4i]; B = [1+1i, 2+2i; 3+3i 4+4i]; C = abs(A)*abs(B) since ...

9 years ago | 0

How do I access data from an array using for statements?
z = [ones(15,1),2*ones(15,1)] for j = 2:size(z,1) vel = z(j,1); % element of jth row and 1st column end

9 years ago | 0

Creating a vector field
I don't know why you put a zero at the end of VectorX and a zero at the beginning of VectorY which makes those lines incorrect. ...

9 years ago | 2

Blocks in Model seem to disappear when zooming in or out
I think you are panning and zooming. The blocks don't disappear. They are there but you need to scroll all the way up to see the...

9 years ago | 0

Integrating multiple generators to a single system
In the configuration Parameters dialog box, check the sampling time for all the models. If the sampling time is on "Auto" then M...

9 years ago | 0

this is how I would do it: I would put a clock block (in Simulink sources library) and connect it to a "compare to constant" ...

9 years ago | 0

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How to access Fundamental Sample Time value within a simulink model
In Simulink Library Browser, go to the Simulink, Signal Attributes, section. There is a block called Weighted Sample Time. Th...

9 years ago | 0

Undefined Variables Error - Using GUIDE
Before that line, where gives you the error, line # 286, add this line: detector_type = handles.detector_type; Please not...

9 years ago | 0

Solving non linear equations
YOu don't need to write your own nonlinear equation solver as MATLAB already has powerful built-in commands to do this, like fso...

9 years ago | 1