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the cyclist


No strings on me

Last seen: Today Active since 2011

Obsessive runner. Flâneur. Professional Interests: Predictive modeling, statistics. (I don't respond to email via author page, but will usually look at a question if you send me a link to it.)

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Python
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English

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Answered
I want to generate a matrix of random numbers between 0 and 2.5 with length=8 and the sum of generated numbers be 20
Use the Random Numbers with Fixed Sum submission from the File Exchange.

environ 14 heures ago | 0

Answered
Exclude certain dates on x-axis using xlim or xtick?
One possible solution to this would be to use a tiledlayout to plot each day in its own subplot.

1 jour ago | 0

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Answered
How to combine multiple plots using subplot?
Prior subplots that would be overlapped by later plots are deleted. Try this simple on your local machine. figure subplot(3,1,...

4 jours ago | 0

Answered
write p-value into plot
You can use the text or annotation functions. The text function is easier, but the annotation function is more powerful.

4 jours ago | 0

| accepted

Answered
Non linear regression: Matlab function similar to Excel solver ???
This very old question/answer from the Mathworks Support Team indicates that there is no MATLAB function for the generalized red...

4 jours ago | 0

Answered
Show free variables in solution(s) instead of zeros
A numeric matrix in MATLAB cannot hold an "x". You could change them to NaN: % Your solution M = [0, 0, 90.0, 0, 0, 0; ...

5 jours ago | 0

Answered
Predictions Logistic Regression model using fitglm
I have a couple of comments, before answering your specific questions. First, you might benefit by reading up a little bit on g...

5 jours ago | 0

Answered
Turning a char element in a double array
a = char('[21,12,43,1]'); array_convert = str2num(a)

5 jours ago | 0

Answered
How to replace only one instance in a certain string
If you are certain that the first e is the first character of the string, then this will do it: x = 'e-8.5e-5' y = regexprep(x...

5 jours ago | 0

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Answered
read data of 3 dimensional matrix
% Some pretend data data = rand(129, 135, 365); % Max along 3rd dimension max3 = max(data,[],3); % Display size of max3 ...

5 jours ago | 0

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Answered
Is there any more efficient way to split a table than this
% Set random seed for reproducibility rng default % Make up a table with pretend data N = 30; x = rand(N,1); solar = 200*...

5 jours ago | 0

Answered
Plotting y1 and y2 versus time in the same graph with same axis level but both in the same side and different y axis name.
Not sure what you mean about "mentioning both speeds in y axis". A more conventional method would be to use a legned. Does this ...

5 jours ago | 1

Answered
How to create animation of multiple of frames using for loop ?
I believe you can do what you want by using the getframe and movie functions.

6 jours ago | 0

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Answered
Remake this without a loop
% Pretend data A = 1 : 7; vector = [2 3 5]; % Replace values of A with 0, if they are in vector A(ismember(A,vector)) = 0

6 jours ago | 1

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Answered
I have been working on this code. But it's kept showing me this error. Please help me
How are you trying to run that code? If you just try to run those lines from the Command Window, it will give that error. The r...

6 jours ago | 0

Answered
Get next business day without taking into account holidays and saturdays
The issue is not a problem with busdate(), but with your understanding of the input. 20170610 is being interpreted as a serial d...

6 jours ago | 1

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Answered
Using a GLM model to predict the response factor from a fixed factor
I'm very confused about how you have coded the model. Specifically, The first input to fitglm should be the predictor variable,...

8 jours ago | 0

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Answered
Turning an entire script into a function
Put this code into a file named battleship.m function [] = battleship() clear all close all clc rowdim=input('give me...

9 jours ago | 0

Answered
kstest for uniform distribution
From the documentation: "The one-sample Kolmogorov-Smirnov test is only valid for continuous cumulative distribution functions."...

11 jours ago | 0

Answered
Using Linear Mixed Models with two fixed factors and a random factor
You can fit such a model using the fitlme function from the Statistics and Machine Learning Toolbox. I think the following code...

12 jours ago | 1

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Answered
How to find area under curve
I did not open your text file, but assuming you got that plot using plot(x,y) then it should be as easy as trapz(x,y)

15 jours ago | 0

| accepted

Answered
How to bin IDX based on previous IDX value?
Is this what you mean? a = [0 0 1 2 2 1 2 2 1 0 1 0 2]; loc2 = a(2:end)==2; pre = a(1:end-1); b = 1 + find(loc2 & (pre=...

16 jours ago | 0

Answered
how do we make vector the same length ( i get the error: vector must be the same length)
I think you intended elementwise division. See the documentation for array vs. matrix operations. x=linspace(0,100); y=linspac...

16 jours ago | 0

Answered
I have this code in matlab but it does not work alone. I think I need a script for it.
Works for me. Here is an example f = @(x) x.^2 - 1; df = @(x) 2*x; Newton_method(f,df,3,1.e-6,500) function x = Newton_...

17 jours ago | 0

Answered
How to plot the figure in the while loop ?
Try putting the figure command and the hold on commands before the while loop (and put the figure command before the hold on). ...

19 jours ago | 0

Answered
How to create a matrix using two arrays (x & y) and a formula that uses x & y
Use the meshgrid function to create 2-dimensional grids from the x and y vectors. The first example in the documentation is very...

20 jours ago | 1

Answered
How do I show this matrix in Matlab?
N = 5; % Change this to 50000 for your case a = 3; % The diagonal value b = -1; % The off-diagonal value % Create the matr...

20 jours ago | 0

Answered
Trying to multiply these matrices and getting error "Dimensions of arrays being concatenated are not consistent."
vqs_ is a 1x501 vector. You can't concatenate the scalar vds to it vertically, which is what you are trying to do.

20 jours ago | 1

Answered
Generate random errors for data with specific covariance matrices
If you have the Statistics and Machine Learning Toolbox, you can generate correlated normal variables with the mvnrnd function.

20 jours ago | 0

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