# 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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**17** Questions

**204** Answers

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CONTRIBUTIONS**16** Files

DOWNLOADS **254**

ALL TIME DOWNLOADS**54625**

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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 ...

3 mesi 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...

11 mesi ago

Submitted

stlwrite - write ASCII or Binary STL files

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

circa 3 anni ago | 108 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...

oltre 3 anni 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...

circa 4 anni 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...

circa 4 anni 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://...

circa 4 anni 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...

circa 4 anni 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...

circa 4 anni 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...

circa 4 anni 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...

circa 4 anni 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 ...

oltre 4 anni ago

Solved

Circle area using pi

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

circa 5 anni 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...

circa 5 anni 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...

oltre 5 anni 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...

oltre 5 anni 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...

oltre 5 anni 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 ...

oltre 5 anni 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!

oltre 5 anni ago | 28 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...

circa 6 anni 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!

circa 6 anni 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(...

circa 6 anni ago | 2

| accepted

Submitted

mpoly2mask - convert multiple polygons to a mask

Converts an object with multiple boundary contours to a logical mask

oltre 6 anni ago | 6 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...

oltre 6 anni 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...

oltre 6 anni 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...

oltre 6 anni 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...

oltre 6 anni 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

oltre 6 anni ago | 5 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...

oltre 6 anni ago | 1

| accepted