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Sven


University of Michigan

402 total contributions since 2011

Aussie living in the US. Engineering with MATLAB.

Some Interests:
-3D Volume Processing (CT, mri)
-Finite Element Analysis (human body simulation)
-Geometry Analysis (human body morphomics)
Professional Interests: Image processing, Finite Element Analysis, Human Body Biomechanics

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Contributions in
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Answered
Finding the indices of the elements of one array in another
There are a few options to get the indices you are looking for. The following output indices (idx) preserve the order in A of th...

10 meses ago | 13

| accepted

Submitted


stlwrite - write ASCII or Binary STL files
Export a variety of inputs (patch, surface) to an STL triangular mesh

más de 1 año ago | 167 downloads |

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Answered
ftlim multiple regression with interaction term
It's a few years late but I think I've discovered the bug that may have been your problem (or at least generates a similar error...

más de 1 año ago | 0

Solved


Find the nearest prime number
Happy 5th birthday, Cody! Since 5 is a prime number, let's have some fun looking for other prime numbers. Given a positive in...

casi 2 años ago

Solved


I Plead the Fifth
Write a function to provide a yes or no answer to the input string. However, it must plead the 5th amendment (return an empty st...

casi 2 años ago

Solved


Spot the First Occurrence of 5
This problem series invites you to solve two simple problems related to the integer NUMBER FIVE, in order to celebrate <https://...

casi 2 años ago

Solved


5 Prime Numbers
Your function will be given lower and upper integer bounds. Your task is to return a vector containing the first five prime numb...

casi 2 años ago

Solved


Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.
Submit your answer to this problem a multiple of 5 seconds after the hour. Your answer is irrelevant; the only thing that matte...

casi 2 años ago

Solved


Is it really a 5?
A number containing at least one five will be passed to your function, which must return true or false depending upon whether th...

casi 2 años ago

Solved


How to subtract?
* Imagine you need to subtract a few numbers using MATLAB. * You will not be using eval for this task. * Given two ASCII strin...

casi 2 años ago

Solved


When Was That Goal Scored?
We want to find out when the goals were scored in a particular soccer game. For each game, we are given a "Goal Event Data" XML ...

más de 2 años ago

Solved


Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

alrededor de 3 años ago

Answered
FaceAlpha of bar3 plot smaller than 1 ruins rest of the plot
Hi Sven, We don't have your data (and we don't even know which of your variables are matrices, which are vectors etc.), so we...

alrededor de 3 años ago | 0

Answered
how to make cropping for image ?
Hi Eliz, try this: % Read your original image Img1 = imread('http://www.mathworks.com/matlabcentral/answers/uploaded_fil...

más de 3 años ago | 1

Answered
how to compare cell arrays of different lengths?
We can start with your input a = int64(1:3)'; out = num2cell(a); b = int64(1:4)'; out2 =num2cell(b); We will pr...

más de 3 años ago | 1

| accepted

Answered
how to save all value of centoid of many object from one image ?
The centroid is not a scalar value. It has two components (X coordinate, Y coordinate), so you cannot assign it to a scalar vari...

más de 3 años ago | 0

Submitted


inpolyhedron - are points inside a triangulated volume?
Test if 3d points are inside a mesh. Or, voxelise a mask from a surface. Mesh can be non-convex too!

casi 4 años ago | 32 downloads |

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Question


Indexing via 3d array changed behaviour 2015a -> 2015b?
Hi all, just got 2015b, here's a strange one where indexing via a multidimensional array has a differently shaped output to prev...

casi 4 años ago | 1 answer | 2

1

answer

Submitted


upsert(conn,tableName,fieldNames,keyFields,data, varargin)
If a data row already exists, UPDATE that row! If it doesn't exist, INSERT that row!

casi 4 años ago | 0 downloads |

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Answered
Convert image into Patches of size 64*64 and get each patch
Hi Tahir, try this: I = imread('rice.png'); imSz = size(I); patchSz = [64 64]; xIdxs = [1:patchSz(2):imSz(2) imSz(...

más de 4 años ago | 1

| accepted

Submitted


mpoly2mask - convert multiple polygons to a mask
Converts an object with multiple boundary contours to a logical mask

más de 4 años ago | 11 downloads |

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Answered
Overlapping region of a single ROI is excluded by the mask
Hi Alessandro, When you say that you _"want to draw a closed ring shape with a single line"_, we might step-by-step reinterpr...

más de 4 años ago | 0

Answered
Find strings that contain multiple substrings at the same time
Hi Sven, Here's how I would do it. It uses a call to *regexp* (you could also use *strsplit*) and one *cellfun*. The good thi...

más de 4 años ago | 0

Answered
How can I replace a loop with arrayfun - problems with strrep
Hi Sven (congrats on the name), Here's a pretty direct way to do what you're trying to do. It uses regexp once and cellfun on...

más de 4 años ago | 0

| accepted

Question


Fit to just half a parabola
Hi there, I have some simple XY data, and I can fit a quadratic to it as follows: X = [25.4 30.48 35.56 40.64 45.72 5...

más de 4 años ago | 0 answers | 0

0

answers

Submitted


deploypcode(source_dir, target_dir, varargin)
DEPLOYPCODE recursively searches a directory for .m files, creating encrypted .p files with .m help

más de 4 años ago | 6 downloads |

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Answered
how can i remove object bigger than x pixel
Hi Lukasz, Here's an example that removes all objects greater than 1000 pixels in area. You probably have your own *BW* image...

más de 4 años ago | 1

| accepted

Question


getframe difference in 2014b.... bug?
The following code run in 2014a and 2014b produces remarkably different results. I think it's a bug. figure('Position',[100...

más de 4 años ago | 1 answer | 1

1

answer

Submitted


octree - partitioning 3D points into spatial subvolumes
OcTree recursively splits a large set of points into smaller subvolumes. A QuadTree but in 3D.

casi 5 años ago | 15 downloads |

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Submitted


splitFV - split a mesh
Splits a 2D or 3D mesh defined by faces and vertices into separately connected mesh pieces.

alrededor de 5 años ago | 13 downloads |

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