Sven

University of Michigan

Last seen: 4 months ago | Active since 2011

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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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Find the maximum number of decimal places in a set of numbers
Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not count...

1 year ago

Solved

MATLAB Basic: rounding II
Do rounding nearest integer. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 9

1 year ago

Solved

MATLAB Basic: rounding
Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

1 year ago

Question

Function (in 2024a) to separate implicit directory parts from a folder string?
In MATLAB versions from 2014 to 2023b there was an internal utility function called matlab.internal.language.introspective.separ...

1 year ago | 1 answer | 0

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answer

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Is there any function similar to 'clabel' to use in 3D graphics (contourslice)?
A 3D spatial domain generates a 3D isosurface (rather than a 2D isocontour). Here is some code to generate/display such a surfa...

2 years ago | 0

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...

3 years ago | 1 answer | 0

1

answer

Submitted

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

3 years ago | 1 download |

0.0 / 5

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 ...

4 years ago | 1 answer | 1

1

answer

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Find an inscribed square on a closed curve

5 years 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...

5 years ago

Submitted

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

7 years ago | 158 downloads |

4.9 / 5

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...

7 years 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...

7 years 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...

7 years 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://...

7 years 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...

7 years 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...

7 years 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...

7 years 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...

7 years 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 ...

8 years ago

Solved

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

9 years 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...

9 years 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...

9 years 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...

9 years 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...

9 years 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 ...

9 years 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!

9 years ago | 70 downloads |

4.8 / 5

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...

9 years 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!

10 years ago | 1 download |

4.0 / 5

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(...

10 years ago | 2

| accepted