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Laurence hutton-smith


University of Oxford

自 2015 起处于活动状态

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统计学

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Smoothing noisy 2D data
I have a dataset (attached as data.mat), it contains a matrix z with x and y coordinates, see it plotted below. As you can se...

7 years 前 | 1 个回答 | 0

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How can I use bootstrapping with different sized data sets?
I wish to use MATLAB's bootstrapping functionality, however my data sets are of different sizes. See the code below as an exampl...

9 years 前 | 0 个回答 | 0

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How do you force bootci to keep a constant bootstrapping sample size?
Consider the code below: function [ci,bootstat] = bootstrap_test () % simulate data y = normrnd(10,1,5,1); ...

9 years 前 | 0 个回答 | 0

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How to correctly use lsqnonlin in conjunction with nlparci and nlpredci, by fitting to a weighted function and utilising the jacobian and residue output from lsqnonlin.
I have three (x,y) experimental data sets, representing data at three geographical locations, call them A [x_A, y_A] of size n_A...

9 years 前 | 0 个回答 | 1

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How do you control the length/width of error bar end points?
The below image was generated using 'errorbar(x,y,y_SD'. As you see the size of the end of the error bars varies seemingly ar...

9 years 前 | 0 个回答 | 0

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How can you nicely format box plots spread unevenly across the x axis?
Can anyone help me format this plot of several box plots in a more aesthetically pleasing way? What is going on near the origin ...

9 years 前 | 1 个回答 | 0

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How to force FMINCON to explore a certain range
I am attempting to get fmincon to fit a solution of an ODE to experimental data, based upon a two parameters x and y, where x li...

9 years 前 | 1 个回答 | 0

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How fit a parameterised ode solution to experimental data
I have a model, a system of Odes, defined by a set of parameters. I also have a number of raw experimental data sets. I want to ...

9 years 前 | 2 个回答 | 0

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How to set 'shading' to 'interp' on a specific plot within a figure
I am trying to create a figure with multiple types of plots within it, I have a surf plot in the figure which I would like to ap...

9 years 前 | 1 个回答 | 0

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How can you use coneplot to plot a single cone in a specific direction?
I am having trouble understanding the syntax of coneplot, I would like to use it to plot a single cone, in a specific direction....

9 years 前 | 2 个回答 | 0

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How do you fix this polygon glitch generated by fill3?
In the pictures below you can see blue rectangles plotted using fill3. You can see that when the data is plotted as part of the ...

9 years 前 | 0 个回答 | 0

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Using csaps (or similar) to create a 3D smoothing spline
I have a series of 3D points and am looking to create any sort of smoothing spline, I was hoping to use scaps, but it only seems...

9 years 前 | 2 个回答 | 0

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How do you plot a 3D circle segment?
It seems very straightforward to plot 3D polygons using fill3, however instead of a polygon is there a way to plot a circle segm...

9 years 前 | 2 个回答 | 0

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Can fmincon output all the considered 'x' values for minimisation of the function f(x)?
I am currently using fmincon to minimise a function f(x), I was hoping there would be a way I could, along with the value of x t...

9 years 前 | 2 个回答 | 0

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How do you fit a curve through 3D points, using splines, constrained within a volume.
Suppose I have an array of points in 3space, [r1; r2; ... ; rn] where ri = [xi yi zi] are it's coordinates. I...

9 years 前 | 2 个回答 | 3

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