Neuropragmatist
University College London
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Trained in neuroscience and electrophysiology but self-taught in programming. My solutions may not be the fastest or most elegant but on average they work at an above chance level.
Estadística
18 Preguntas
73 Respuestas
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23 Soluciones
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Accept 2 answers given by other contributors
Awarded to Neuropragmatist on 15 Feb 2022
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Accept 1 answer given by other contributors
Awarded to Neuropragmatist on 23 Jul 2020
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Awarded to Neuropragmatist on 26 Jul 2018
Feeds
Pregunta
Is it possible to update a uitextarea without using drawnow?
Hi all, I am building an app using the app designer, in the window I have a uitextarea where I post updates to the user, someth...
más de 1 año hace | 1 respuesta | 0
1
respuestaPregunta
App designer: UIAxis ButtonDownFcn with key modifier?
Hi all, I am using the app designer to design a small program, part of this involves getting the user to click on an axis. I us...
más de 1 año hace | 2 respuestas | 0
2
respuestasPregunta
What are the units of the bandwidth parameter for mvksdensity?
I have been using the inbuilt mvksdensity function. For this function the user specifes a 'bandwidth' as a smoothing parameter (...
alrededor de 2 años hace | 1 respuesta | 0
1
respuestaPregunta
How to provide cameraIntrinsics to triangulateMultiview
I am trying to triangulate matched points recorded by 5 different cameras using triangulateMultiview. The third input required ...
alrededor de 3 años hace | 1 respuesta | 0
1
respuestaResuelto
Find the area of the four walls
If length, breadth and height of the walls are given, find the area of the four walls.
alrededor de 4 años hace
Resuelto
Find the dimensions of a matrix
Just find the number of columns of the given matrix. Example x = [1 2 3 4 5 6] y = 2
alrededor de 4 años hace
Resuelto
Sum of diagonal of a square matrix
If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12
alrededor de 4 años hace
Resuelto
find the surface area of a cube
given cube side length x, find the surface area of the cube, set it equal to y
alrededor de 4 años hace
Resuelto
Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...
alrededor de 4 años hace
Resuelto
Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....
alrededor de 4 años hace
Resuelto
Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.
alrededor de 4 años hace
Resuelto
Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...
alrededor de 4 años hace
Resuelto
Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]
alrededor de 4 años hace
Resuelto
Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...
alrededor de 4 años hace
Resuelto
Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...
alrededor de 4 años hace
Resuelto
Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...
alrededor de 4 años hace
Resuelto
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
alrededor de 4 años hace
Pregunta
Shuffling matrix regions while maintaining their shape
Hi all, I want to segment a matrix into parts, then move those parts around while maintaining their shape as far as possible (b...
alrededor de 4 años hace | 0 respuestas | 0
0
respuestasPregunta
Calculating mean integrated squared error (MISE)
Hi all, I have a bivariate probability distribution ( f1(x) ) and a histogram of real data that I want to compare to it ( f2(x)...
más de 4 años hace | 1 respuesta | 0
1
respuestaPregunta
Histograms - why does the smallest binsize always give the smallest mean integrated squared error?
Hi all, I have a bit of a specialised question involving histograms and mean integrated squared error (MISE). I want to find th...
más de 4 años hace | 1 respuesta | 0
1
respuestaHow to do Chi square with contingency tables?
Crosstabs expects the raw data as vectors, if you only have counts you will need to expand your data into vectors, for instance ...
más de 4 años hace | 1
| aceptada
Undefined function or variable 'netcdf'
I think your line is supposed to be: f = netcdf.open('algiers_bay.grd','r'); Because netcdf on it's own doesn't do anything,...
más de 4 años hace | 0
How to plot Data from a table filled with strings?
I think your problem is just that the cell array contains strings of different lengths, you can try converting them to numbers i...
más de 4 años hace | 0
| aceptada
Can anyone tell me how does this code works?
Hi, It is difficult to know exactly what the code is doing without the data files it is loading. However, at first glance I wo...
más de 4 años hace | 0
| aceptada
i have a data set containing urls of images.How can i download all the images from those urls using matlab?
You can read the data into Matlab using importdata: https://uk.mathworks.com/help/matlab/ref/importdata.html?s_tid=doc_ta Then...
más de 5 años hace | 0
Please provide in depth details on PCA MATLAB function
How many features do you give the PCA when you give it the dataset? Just the XY values you plotted in the first graph? Or do you...
más de 5 años hace | 0
| aceptada
how do i live plot 3 different values?
Can you be more precise in what you want to achieve? For example, here is the Matlab help example given for animatedline: numpo...
más de 5 años hace | 0
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