# 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...

6 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....

6 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...

6 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 ...

6 months ago

Solved

Get the length of a given vector

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

6 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...

6 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...

6 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...

6 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.

6 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 ...

6 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...

6 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 ...

8 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 ...

8 months ago | 1 answer | 0

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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 ...

9 months ago | 2 answers | 0