# Katharina Heitger

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Question

change imref2d so that image is in center

I have asked in a previous question how I can change the origin of a transformationmatrix for application. The initial situation...

10 months ago | 2 answers | 0

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answersSolved

Getting the indices from a vector

This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

10 months ago

Solved

Select every other element of a vector

Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

10 months ago

Solved

Doubling elements in a vector

Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

10 months ago

Solved

Get the length of a given vector

Given a vector x, the output y should equal the length of x.

10 months ago

Solved

Length of the hypotenuse

Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<https://i.imgu...

10 months ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]

In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

10 months ago

Question

Transformation matrix (projective2d) change of origin at application

I have a transformation matrix (as a projective2d object) created with fitgeotrans(), which should be used as an image correctio...

10 months ago | 1 answer | 0

### 1

answerSolved

Maximum value in a matrix

Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

10 months ago

Solved

Find the sum of all the numbers of the input vector

Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

10 months ago

Question

fitgeotrans() which Points to use as movingPoints and fixedPoints

I have thought so long about it, that I can not think clear anymore. Essentially, I have a tilted plane and slightly above this...

10 months ago | 0 answers | 0

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answersQuestion

simulation for tilted detector matlab function instead of own code

I have written a simulation for a detector which is tilted by a specific angle and a non-tilted detector. X-Rays coming from a ...

12 months ago | 0 answers | 0

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answersQuestion

convert 3D plane to 2D plane

My Problem/My aim: I have a plane in 3D, described in the form ax+by+cz=0. The equation was formed with the edge points of the ...

12 months ago | 1 answer | 0

### 1

answerQuestion

Unrecognized function or variable 'size'. in function called from script

The Problem: I have a script, where I call two self-written functions. One of the functions is called weightingFkt2(). In this ...

1 year ago | 2 answers | 0