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How to plot multiple data sets on the same graph
Use hold on and hold off to add new data to a set of existing Axes. plot(x1,y1) hold on plot(x2,y2) hold off An...

約7年前 | 10

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How to use Gamma distribution as the kernel of Naive Bayes in MATLAB code?
If your features follow a Gamma distribution you should be fine just using the 'normal' smoothing Kernel. To provide some intuit...

8年弱前 | 0

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8年弱前 | 0

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Does fmincon automatically normalis/scale the input vector according to the bounds?
opts = optimoptions('fmincon','Algorithm','interior-point','ScaleProblem','none');

8年弱前 | 2

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How to add text in a bar in a multiple bar plot?
This requires us to find information about the location of each of the individual bars and calculate the centers for the labels....

8年弱前 | 2

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PCA which Features are kept?
PCA is just a transformation of your feature space via centering and rotation such that your components (the resulting basis vec...

8年弱前 | 2

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ALPHA must be a scalar between 0 and 1, exclusive.
Older versions of MATLAB did have a slightly different syntax for the multcompare function which was: multcompare(stats,alp...

8年弱前 | 0

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Given two vectors A,B - how can I create a vector v where v(n) = A(n):B(n)
The function you are looking for is called |arrayfun|. This takes a function handle and n arrays and calls the function n-times,...

8年弱前 | 1

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ARIMA BIC LOOP including "zero"
If you changed the loop to start at 0, you are trying to index LOGL and PQ at the index 0 which does not exist. MATLAB starts in...

8年弱前 | 0

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Laplacian clustering on Network
Assuming that you are interested in performing a spectral clustering a good place to start would be <https://en.wikipedia.org/wi...

8年弱前 | 0

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How to pass structure data into parfor loop
You can simply extract the data that you want to pass to the workers: inpt.a1 = rand(100); inpt.a2 = rand(100); A...

約8年前 | 1

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How to gather results from a parfor loop?
The issue here is that otpt is assigned separately on each of the workers, this makes its <https://www.mathworks.com/help/distco...

約8年前 | 1

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Unable to execute GA optimisation algorithm due to Objective Function
MATLAB cannot find the file where you define your objective function evaluation. If you type: which ResourceAllocation M...

約8年前 | 0

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Is there any way to display a value instead of circles for points on a plot?
You can use the |text| function. x = rand(5,1); y = rand(5,1); txt = num2str((1:5)'); text(x,y,txt)

約8年前 | 1

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Bug in least squares fitting
The issue is that you are trying to do an element-wise division but are not using an element-wise operator. You can see that: ...

約8年前 | 0

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use the variable editor in a GUI
The |open| command will open a variable in the Variable Editor: x = rand(1,10); open x

約8年前 | 0

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How is it possible that gamultiobj gives worse solution when the number of MaximumGenerations is raised?
Ok. So there is an additional change you make in here that was not mentioned and is affecting the output. You change the MaxStal...

約8年前 | 0

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Neural Network: how can I get the correct output answer without using the function "sim", neural network function "sim" vs my calculation with trained network's weight and bias
There is a scaling of the data which happens for the inputs and outputs which is not being considered in the above example. All...

約8年前 | 4

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Fit distribution to probability plot
It looks like you are looking at comparing the Cumulative Distribution Function (CDF) with the Empirical Cumulative Distribution...

約8年前 | 1

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Calculate the number of days between two datetimes?
You can do: days(day2-day1) The issue is that the |between| function returns a |calendarDuration| and this is measured u...

約8年前 | 1

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I'm trying to run a linear regression on cases that fit certain criteria, can you help?
The if statement must have a scalar logical statement next to it (either true or false) but what you have is a numeric matrix. ...

約8年前 | 1

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Increasing contour levels non-linearly
You can control the levels which are displayed by using the syntax: contour(Z,levels) where Z is the data and levels def...

約8年前 | 0

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How can I display a complex decimal result with actual precision value?
format long will display the full numeric precision of all values at the command line.

約8年前 | 0

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Alternative to rsquared in robust regression using fitlm('RobustOpts','on')
Robust regression is simply going to fit your regression model using OLS and then perform an additional weighted regression to p...

約8年前 | 0

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What Does 20/400 Mean?
From the doc: "Location of bottom left corner of video window, specified as the comma-separated pair consisting of 'Location' an...

約8年前 | 1

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Optimization options in financial toolbox.
The Portfolio datatypes in the Financial Toolbox cannot use Global Optimization solvers. On the other hand you can use a Global ...

約8年前 | 0

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Why I am getting error for performing AIC test for model orders varying in 0:3 range?
MATLAB indexing starts at 1, so when wither p or q is equal to 0 your indexing, LOGL(p,q) = logL; PQ(p,q) = p+q; will...

約8年前 | 1

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One step ahead forecast from an estimated model - error term
1. The arima\estimate method will return to you the data on the original scale. That is if you do: Mdl = arima(1,1,1); M...

約8年前 | 1

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i have defined the 3 columns as xt yt and zt. how do i run the following regression zt = β0 + β1xt + β1yt + E(epsilon)t
Assuming E(epsilon)t is not time dependent and is iid Normal with mean 0. X = [xt,yt]; Mdl = fitlm(zt,X);

約8年前 | 0

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Case insensitive enumeration class
Why would you want to have your enumeration be able to have any case? The only place I could consider this, is if the user ha...

約8年前 | 2

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