# Sven

### University of Michigan

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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REPUTATION**995**

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**17** Questions

**204** Answers

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CONTRIBUTIONS**16** Files

DOWNLOADS **273**

ALL TIME DOWNLOADS**55227**

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**Content Feed**

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 ...

6 månader ago | 1 answer | 1

### 1

answerSolved

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...

ungefär ett år ago

Submitted

stlwrite - write ASCII or Binary STL files

Export a variety of inputs (patch, surface) to an STL triangular mesh

mer än 3 år ago | 129 downloads |

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...

mer än 3 år 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...

ungefär 4 år 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...

ungefär 4 år 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://...

ungefär 4 år 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...

ungefär 4 år 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...

ungefär 4 år 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...

ungefär 4 år 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...

ungefär 4 år 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 ...

nästan 5 år ago

Solved

Circle area using pi

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

mer än 5 år ago

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...

mer än 5 år ago | 0

how to make cropping for image ?

Hi Eliz, try this: % Read your original image Img1 = imread('http://www.mathworks.com/matlabcentral/answers/uploaded_fil...

mer än 5 år ago | 1

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...

mer än 5 år ago | 1

| accepted

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...

mer än 5 år 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 ...

mer än 5 år ago | 1 answer | 1

### 1

answerSubmitted

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!

nästan 6 år ago | 37 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...

ungefär 6 år ago | 1 answer | 2

### 1

answerSubmitted

upsert(conn,tableName,fieldNames,keyFields,data, varargin)

If a data row already exists, UPDATE that row! If it doesn't exist, INSERT that row!

ungefär 6 år ago | 1 download |

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(...

mer än 6 år ago | 2

| accepted

Submitted

mpoly2mask - convert multiple polygons to a mask

Converts an object with multiple boundary contours to a logical mask

mer än 6 år ago | 10 downloads |

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...

mer än 6 år ago | 0

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...

mer än 6 år ago | 0

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...

mer än 6 år 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...

mer än 6 år ago | 0 answers | 0

### 0

answersSubmitted

deploypcode(source_dir, target_dir, varargin)

DEPLOYPCODE recursively searches a directory for .m files, creating encrypted .p files with .m help

nästan 7 år ago | 2 downloads |

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...

nästan 7 år ago | 1

| accepted