Plot of 4 variables with dates(years)
You should read the documentation of plot(): https://www.mathworks.com/help/matlab/ref/plot.html All you need is to define c...

1 year ago | 0

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Question

I have read and learnt how to train a deep network for forecasting future values of a timeseries here: https://www.mathworks.c...

1 year ago | 0 answers | 1

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Using for loop to extract data from a matrix
The break statement terminates the for loop: if j > numel(cavity) break end

1 year ago | 0

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PSO algorithm pv system code
You should formulate your problem based on the scientific literature. MATLAB has built-in PSO, but it only handles unconstrained...

1 year ago | 0

Calculate trends with regression for columns in MATLAB
You can use parfor (parallel for loop) instead of for. The more CPU cores you have, the more speed you gain. https://www.mathw...

1 year ago | 0

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Creating a function with varying numbers of input parameters
You should use Variable-length input argument list using varargin(). https://www.mathworks.com/help/matlab/ref/varargin.html

1 year ago | 1

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Why SimEvents spends so much time
You should run 1000 simulations using sim() in conjunction with SimulationInput objects. With SimulationInput you can define the...

1 year ago | 0

1) "If you have a partial initial population, meaning fewer than PopulationSize rows, then the genetic algorithm calls CreationF...

1 year ago | 0

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What information is conveyed by the different colors in Matlab's contourf( ) data plots?
You can turn on the ShowText property of the contour, or add the color bar: x = linspace (-5, 5, 51); y = linspace (-5, 5, 51...

1 year ago | 0

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MATLAB function block error in Simulink
Unlike m-file functions, MATLAB function block does not apply automatic array expansion. The simplest way to overcome is to defi...

1 year ago | 0

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Run a Simulink modell stepwise inside Matlab
You can use MATLAB function block. It is executed on every timestep just like other blocks, and you can return outputs for every...

1 year ago | 0

Create 9x9 matrix with RANDI between [0,2] with each 0,1, and 2 repeating three times each per column.
You can first create a vector with the values you need: Reference = repelem (0:2,3)'; Then you initialize the 9x9 matrix with...

1 year ago | 1

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How can I display the last value obtained in a scope block graph in Simulink?
The Display block shows the numeric output. https://www.mathworks.com/help/simulink/slref/display.html

1 year ago | 1

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Can I use my own timetraces in M/M/1 queue implementation by Simevents?
I think you need a simple M/M/c queue. The example you are trying has components for other purposes, which might have confused y...

1 year ago | 0

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What am I doing wrong?
For drawing multiple line plots at once, you should have one column vector for each line. You just need to have x as a column ve...

1 year ago | 2

How to use the Parallel Computing Toolbox of MATLAB to optimize the parameters of a Simulink model with genetic algorithm?
You should set ga() to pass all of the generation members at once using UseVectorized option. Then you set the objective functio...

1 year ago | 1

How to solve this problem? Error using == Quadratic constraints not supported

1 year ago | 2

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Small Value bars are missing in bar graph.
You can add a constant to the bars with small values. For example: X (X<4) = X (X<4) + 0.2;

1 year ago | 0

Question

parsim() with fast restart returns different results
I am running multiple simulations using parsim() with fast restart to accelerate execution. However, I have noticed that using p...

1 year ago | 2 answers | 0

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How do you use the NaN function?
You first create the NaN vector using nan(), then fill in the elements. V = nan (500,1); V (124:end) = Data;

1 year ago | 0

How to plot one point in one axis
You should turn off the visibility of the vertical axis. For example: scatter (1,1); ax = gca; ax.YAxis.Visible = 'off'; xl...

1 year ago | 0

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Question

How to assign array values to object.object.property at once using deal?
I know that it is possible to assign the values of an array to object.property using deal(). Is it possible to do such thing for...

1 year ago | 1 answer | 0

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How to import excel file only one sheet and skip first column?

1 year ago | 0

How to make a burst entity generation based on a event
You should use MATLAB Discrete-Event System block instead of an event-based Entity Generator.

1 year ago | 0

Do Simevents Entity Servers release entities in a FIFO manner?
Generally, the server starts to serve an entity as soon as the entity enters the block. The server tries to forward the entity a...

1 year ago | 1

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scaling and change the ylim for subplot
You should set ylim() for each axes separately. For example: x = linspace (0, 6, 51)'; y1 = sin (x); y2 = cos (x); yyaxis...

1 year ago | 0

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export variable in word
You can export matrixes to word using Report generator. The general workflow is that you first create a report template that det...

1 year ago | 0

If I have understood you correctly, you want to calculate the system's WIP (Work In Progress). You can use the Add block to sum ...

1 year ago | 0