Neuropragmatist

University College London

Last seen: 10개월 전 | 2018년부터 활동

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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.

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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...

12개월 전 | 답변 수: 1 | 0

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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...

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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 (...

1년 초과 전 | 답변 수: 1 | 0

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How to provide cameraIntrinsics to triangulateMultiview
I am trying to triangulate matched points recorded by 5 different cameras using triangulateMultiview. The third input required ...

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Find the area of the four walls
If length, breadth and height of the walls are given, find the area of the four walls.

3년 초과 전

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Reverse a matrix
Its simple. You have to reverse a given matrix.

3년 초과 전

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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

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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

3년 초과 전

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find the surface area of a cube
given cube side length x, find the surface area of the cube, set it equal to y

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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...

3년 초과 전

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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....

3년 초과 전

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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.

3년 초과 전

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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,...

3년 초과 전

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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]

3년 초과 전

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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...

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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...

3년 초과 전

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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...

3년 초과 전

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Is my wife right?
Regardless of input, output the string 'yes'.

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

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Add two numbers
Given a and b, return the sum a+b in c.

3년 초과 전

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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...

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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)...

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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...

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How 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 ...

3년 초과 전 | 1

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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,...

3년 초과 전 | 0

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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...

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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...

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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...

4년 초과 전 | 0

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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...

4년 초과 전 | 0

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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...

4년 초과 전 | 0

Neuropragmatist

University College London

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