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Publish your first review
Awarded to Brando Miranda on 09 Oct 2019
Accept 5 answers given by other contributors
Awarded to Brando Miranda on 14 Dec 2017
Feeds
Frage
Fit a linear model and get its R^2 if I want the model to have a specific form and slope
I want to see fit a model y=mx+c when m=1 to some data, so I only want to learn the offset. I know the expressions are relat...
mehr als 6 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Why does hist, histogram and how the shape of my data is affect how my results are displayed?
I have these 3 plots: <</matlabcentral/answers/uploaded_files/126103/Screen%20Shot%202018-07-22%20at%2010.30.45%20PM.png>> ...
mehr als 6 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How does one assign a different maker to each scatter without having to call scatter multiple times?
How does one assign a different maker to each scatter without having to call scatter multiple times? Is it possible to do thi...
mehr als 6 Jahre vor | 1 Antwort | 0
1
AntwortWhat is the color spec for default blue?
c = [0 0.4470 0.7410]; scatter(X,Y,'MarkerEdgeColor',c) finally worked
mehr als 6 Jahre vor | 1
Frage
What is the color spec for default blue?
i.e. this blue: <</matlabcentral/answers/uploaded_files/125288/Screen%20Shot%202018-07-15%20at%209.09.49%20AM.png>> ----...
mehr als 6 Jahre vor | 3 Antworten | 1
3
AntwortenFrage
Change axis values of an already existing figure
I have a figure that has axis already and numbers in them. I wish to change the axis values display values so that they read dif...
mehr als 6 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Is it possible to have matlab go into debugging mode only when it hits a nan?
Is it possible to have matlab go into debugging mode only when it hits a nan, without writing code, just run and then halt when ...
mehr als 6 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Why does is take O(n^2) to append elements in matlab when it takes O(n) amortized time in theory?
why doesn't matlab have O(n) amortized time to append elements to a growing array? I thought his was an algorithmically well und...
mehr als 6 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Is there a version of dir that takes a path?
I want to use `dir` to get some list of files. But to do this I need to cd into a directory which seems really dum. Is there not...
mehr als 6 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Can one dynamically add new keys to a Maps data structure in Matlab?
I recently discovered the maps data structure but it seems I can't dynamically assign new keys to it. I am going through some fi...
mehr als 6 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Why is fsurf complaining when it plots -e^(-x^2)?
I wanted to plot: <</matlabcentral/answers/uploaded_files/101102/Screen%20Shot%202018-01-13%20at%2012.58.34%20AM.png>> wit...
fast 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to plot a histogram in 2D if one has the counts already?
I collected some 2D histcounts with histcounts2 now that I have the counts, how do I plot them? I know one can just fee...
fast 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Why doesn't getenv work on MAC OS X?
I was trying to get environment variables that I know exist but it returns empty arrays...is that normal? hello = ...
fast 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Why isn't the MATLAB command just available in the terminal for OS X?
I was to use the matlab command in the terminal and it seems I have to do extra stuff for it to be available. How can it "just b...
fast 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Can one run a matlab script from the command line and pass arguments to it **without making it into a function**?
I was to run a MATLAB script from the terminal and pass arguments to it. I know I can make it into a function to pass arguments ...
fast 7 Jahre vor | 2 Antworten | 1
2
AntwortenFrage
How do I convert a string to a single quotes string?
I have a number N_train that I want to convert to a single quotes string (otherwise the title does not look as I want it): ...
etwa 7 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
How does one get polynomial features like in python but for MatLab?
Is there code that gets the polynomial features of a vector like in: http://scikit-learn.org/stable/modules/generated/sklearn...
etwa 7 Jahre vor | 2 Antworten | 1
2
AntwortenFrage
What does the error `Error in checkArgsForHandleToPrint` mean?
What does the error: Error using checkArgsForHandleToPrint Handle input argument contains nonhandle values. Error...
etwa 7 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Can someone provide me an example of loading data from Python to Matlab?
I saw the page: https://www.mathworks.com/help/matlab/matlab_external/pass-data-to-matlab-from-python.html that shows whic...
etwa 7 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Is there a function that works like mathematica's Manipulate but in Matlab?
I wanted to change a variable and see the change in the plot dynamically. Is that possible in matlab? as in: Introduction to Man...
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortIs it possible to get access to variables within function handles?
c = 3; f = @(x) x + c; ff = functions(f); ff.workspace{1}.c
mehr als 7 Jahre vor | 1
Frage
Is it possible to get access to variables within function handles?
For example say I define: c=3; f = @(x) x + c; is it possible to do f.c or basically get access to the varia...
mehr als 7 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
What is the quickest way to find a gradient or finite difference in Matlab of a real function in high dimensions?
I have a function handle (black box) that gives me the value of f which is a real number and a function of multiple variables. W...
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Is it possible to install matlab in a docker image?
I wanted to install my matlab in a docker image. Is that possible?
mehr als 7 Jahre vor | 5 Antworten | 2
5
AntwortenFrage
How does one plot a histogram from the histogram counts?
I have produced an array of counts, specifically produced with: histcounts the reason I do this is because storing the a...
mehr als 7 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
How do I fill a histogram in very high dimension if the array creating overflows memory?
I was trying to collect statistics of a 6D vector and plot a histogram for each coordinate. I get 729000000 version of this vect...
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Why does squeeze transpose my matrices without my permission and how to stop it?
I have tensors of the following size 1 x 1 x D x M. I'd like to squeeze it such that we always have a matrix of size D x M. The ...
mehr als 8 Jahre vor | 2 Antworten | 1
2
AntwortenFrage
Using mex does not work but the link it directs me doesn't exist
I was trying to do mex -setup but it didn't work and gave me: Error using mex No supported compiler or SDK was ...
mehr als 8 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Why does the SQRT function or ^0.5 function return negative values in MATLAB?
I am taking square roots and MATLAB is returning, negative values, why is this? Let me show you the maths and the script that...
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Is it possible to do operations on 3D matrices without explicitly creating one?
This might sound as a weird question but consider the following code: A = zeros(1,4,2); delta = [-1 -1 -1 -1; 2 2 2 2]; ...
mehr als 8 Jahre vor | 1 Antwort | 0
1
Antwort
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