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CLARK KENDRICK GO


Last seen: presque 5 ans il y a |  Actif depuis 2018

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performing logistic regression with categorical predictors
Hello, I am performing a logistic regression with 3 numerical predictors AND 2 categorical predictors. These are my X's. My Y ...

presque 5 ans il y a | 1 réponse | 0

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Question


extracting information from a boxplot saved as fig
I have a boxplot that is saved as fig. and I do not have the original data anymore. How can I extract the data from this figure?...

plus de 5 ans il y a | 1 réponse | 0

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Question


changing colours of the data points in a biplot
Suppose I have: A = rand(100,5); [coefs,score] = pca(A); biplot(coefs(:,1:2),'Scores',score(:,1:2),'VarLabels',vbls); There...

presque 6 ans il y a | 1 réponse | 0

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Question


how to extract error data from a error plot
I have an error plot, and I want to extract the data (x,y, and error values) from this. How do I do this? Thanks

presque 6 ans il y a | 1 réponse | 0

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Question


how to make subplots with fig files?
I already have fig files and I wanted to combine two fig files into subplot(2,1,1) and subplot(2,1,2). How do I do this?

presque 6 ans il y a | 1 réponse | 0

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Question


how do you change the colour of the error bars using the dock figure tool?
how do you change the colour of the error bars after finishing plotting (using the plot tool/dock figure tool)?

presque 6 ans il y a | 1 réponse | 0

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Question


how to read sequence of files that are seemingly random
I am trying to read 1000+ files with the following filename format: myPos_HH_MM_SS_SSS.mat. There seems to be no pattern for HH_...

plus de 6 ans il y a | 2 réponses | 0

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Question


saving and retrieving sequential files for ease of use.
Hi, I am planning to run a program numerous times (say a thousand times), and I want to save the files sequentially as a mat fil...

plus de 6 ans il y a | 1 réponse | 0

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Question


identifying the elements of a cell
I have a 700x8 cell, with each cell having a matrix 6x2 in size. I want to get the first row of each cell. How do I perform this...

plus de 6 ans il y a | 2 réponses | 0

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réponses

Question


help with minimisation, from a data set
I have a data set of the positions (in x,y coordinates) of n particles per time step. I will call this matrix P which has dimens...

plus de 6 ans il y a | 1 réponse | 0

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Question


using gradient descent to optimise in matlab
Is gradient descent available to use in the optimisation toolbox? I am looking for documentation on how to use it, but failed.

plus de 6 ans il y a | 1 réponse | 0

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Question


adjusting the x,y axes ratios in plot (2d)
I want to adjust the x and y axis such that the graph has an aspect ratio of 1:1 (a square). Also, i want the x- and y-axes to h...

presque 7 ans il y a | 1 réponse | 0

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Question


multiple colours in a trajectory plot
I have a time series X, which I can plot in x-y plane. plot(X(:,1), X(:,2), 'r.') This gives a red dot colour. What I wan...

presque 7 ans il y a | 2 réponses | 1

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Question


fitting a gaussian curve to a bar graph
I wanted to fit a gaussian curve (by specifying a mean and variance) to the following bar plot. How can I do it? And how will kn...

presque 7 ans il y a | 1 réponse | 0

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Question


replacing items in a matrix
I have a vector: A = 6:2:19; and r = 10; I want to replace the element in A which corresponds to r with nothing. ...

presque 7 ans il y a | 2 réponses | 0

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Question


skip counting numbers and including the remainder
I want to skip count 1 to 100 by 4's. So 1:4:100 The output is until 97. I want to include the 100 in the result. ...

presque 7 ans il y a | 1 réponse | 0

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Question


Getting the nonzero mean of each cell element
Hi, I have a cell dot_value (100x100 in size), and I wanted to find the mean of each cell (but only considering the nonzero ...

presque 7 ans il y a | 1 réponse | 0

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Question


'stacking' 2D graphs on top of each other.
I have multiple 2D graphs (but of different lengths/sizes). I want to stack them together to form a 3D image (not necessarily a ...

presque 7 ans il y a | 1 réponse | 0

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Question


subscript assignment dimension mismatch solutions
Hello, I am writing into a variable Q(:,:,:) in an iteration. The first iteration stores into Q(:,:,1) a matrix of 463x2. Ea...

presque 7 ans il y a | 1 réponse | 0

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Question


drawing the velocity vectors (tangents) to a given path
I have a two dimensional path of a particle which I can plot. I wanted to plot ALSO the velocity/tangents to the path (at some p...

environ 7 ans il y a | 1 réponse | 0

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Question


customising the boxplot with data points.
so the default boxplot contains err, a box with a line signifying the mean, and the upper 25 percentile and lower 25 percentile....

environ 7 ans il y a | 1 réponse | 0

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Question


please help interpret this input using the filter function
Please help interpret this input/output using the filter function. data = [1:0.2:4]'; windowSize = 5; filter(ones(1,...

environ 7 ans il y a | 1 réponse | 0

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Question


please interpret this result from the filter function
Please help me interpret this result from matlab. The input uses a filter function. data = [1:0.2:4]'; windowSize = ...

environ 7 ans il y a | 1 réponse | 0

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Question


filtering and smoothening of acquired data due to noise
I have position data sets acquired from noisy sources and I wanted to filter/smoothen them to rid the effects of noise. The aim ...

environ 7 ans il y a | 1 réponse | 0

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