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# Sven

### University of Michigan

Last seen: 4 dagen ago Active 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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Question

Cascading sort order that restarts count at each subsequent column
I'm trying to sort a table by multiple columns (easy) and obtain a specialized sort order (not-so-easy). Rather than a sortInde...

7 maanden ago | 1 answer | 0

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answer

Submitted

biasspace
Generates a vector of non-linearly spaced vector with custom bias in the spacing between points

ongeveer een jaar ago | 2 downloads |

Question

Delete axes interactions not working?
I'm using 2021a and it seems that deleting/disabling interactions isn't working as expected. I'm just trying to either (1) make ...

bijna 2 jaar ago | 1 answer | 1

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answer

Solved

Find an inscribed square on a closed curve

meer dan 2 jaar ago

Solved

Split a string into chunks of specified length
Given a string and a vector of integers, break the string into chunks whose lengths are given by the elements of the vector. Ex...

meer dan 2 jaar ago

Submitted

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

bijna 5 jaar ago | 131 downloads |

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...

bijna 5 jaar 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...

meer dan 5 jaar 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...

meer dan 5 jaar 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://...

meer dan 5 jaar 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...

meer dan 5 jaar 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...

meer dan 5 jaar 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...

meer dan 5 jaar 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...

meer dan 5 jaar 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 ...

ongeveer 6 jaar ago

Solved

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

meer dan 6 jaar 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...

meer dan 6 jaar 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...

bijna 7 jaar 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...

bijna 7 jaar 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...

bijna 7 jaar ago | 0

Question

Save using -append behaves differently when replacing objects vs replacing arrays
Hi all, I'm trying to save some variables to a .mat file, appending to that file if the variable is new, overwriting if it's ...

ongeveer 7 jaar ago | 1 answer | 1

### 1

answer

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!

ongeveer 7 jaar ago | 40 downloads |

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...

meer dan 7 jaar 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!

meer dan 7 jaar ago | 2 downloads |

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(...

meer dan 7 jaar ago | 2

| accepted

Submitted

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

bijna 8 jaar ago | 6 downloads |

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...

bijna 8 jaar 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...

bijna 8 jaar 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...

bijna 8 jaar 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...

bijna 8 jaar ago | 0 answers | 0

answers