Community Profile Thorsten

Universität Gießen

Last seen: etwa ein Jahr ago Active since 2013

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Solve a System of Linear Equations
*Example*: If a system of linear equations in _x&#8321_ and _x&#8322_ is: 2 _x&#8321;_ + _x&#8322;_ = 2 _x&#8321;...

etwa ein Jahr ago

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Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

etwa ein Jahr ago

Solved

Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

etwa ein Jahr ago

Solved

Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

etwa ein Jahr ago

Solved

Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

etwa ein Jahr ago

how can I edit a matrix and rename it at the same time?
You can do it like this: my_matrix = rand(4,9); edited_matrix = my_matrix; edited_matrix(:,8) = [2;4;6;1];

etwa 2 Jahre ago | 0

Different colours for arrows in quiver plot
Create a circular colormap: cmap = colormap(hsv(360)); In the loop: compute the angle and an index into the colormap from...

etwa 2 Jahre ago | 1

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how do i change subfunctions to a switch
switch question case 1 % code of function 1 case 2 % code of function 2 case 3 % code of function 3 otherwise ...

etwa 2 Jahre ago | 0

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Find the perfect overlay of 2 maps of points
You can maximize the number of perfect matches, that is the number of red points with zero distance to a blue point.

etwa 2 Jahre ago | 0

one two three four
Replicate B such that is is as long or longer than A, then cut it to the length of A; B = repmat(B, 1, ceil(numel(A)/numel(B)...

etwa 2 Jahre ago | 0

Error using horzcat Dimensions of matrices being concatenated are not consistent.
You can only concatenate vectors horizontally if they have the same number of rows. But here you have 256 and 18 rows. sp this d...

etwa 2 Jahre ago | 0

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Text in while loop creating matrix
You have to use cell arrays if you want to mix text and numbers. And fprintf returns the number of printed bytes, so you directl...

mehr als 2 Jahre ago | 0

could anyone help me how to check the idx position containing value is not equal to zero
To check if any value of idx is zero, you can use any(idx == 0)

mehr als 2 Jahre ago | 0

Ich brauche Hilfe mit der Matrix
1:1 umgesetzt muss es doch 1 statt l heißen: verbraucher_AC=everything(s,1); leistung_AC=Leistungswert(s,1);

mehr als 2 Jahre ago | 1

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Rearrange halves of yaxis in graph
i = find(x == 1.25); y = y([i+1:end, 1:i]);

mehr als 2 Jahre ago | 1

How can I generate random number between 1 and 10, and at the same time I want to exclude number 3 & 6?
x = setdiff(1:10, [3, 6]); r = x(randi(numel(x)));

fast 3 Jahre ago | 2

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using 2 indexs for loop
for i=1:length(mHome) for k=1:2:size(mHome,2)-1 output1(i,k)=pdist([mHome(i,k:k+1);mBall(i,1:2)]); end end

fast 3 Jahre ago | 1

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I keep getting undefined function when preallocating
index = 1:30; % Preallocate S1QAmb = zeros(size(index)); % index has to be defined before it can be used for i = index S...

fast 3 Jahre ago | 0

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How to save the output of a loop with sequential file numbers.
for i:size(bounding_box, 1) face_crop = imcrop(I, [227,227]) filename = sprintf('%02d.jpg', 2*i - 1); imwrite(fac...

fast 3 Jahre ago | 0

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Common legend for multiple histograms in subplots
Set the FaceColor explicitly before calling legend: set(line1, 'FaceColor', 'r') set(line2, 'FaceColor', 'g') set(lin...

mehr als 3 Jahre ago | 0

how to create a video with a looming stimulus
This version works without exporting. In the code you can first choose 'test' to see if the sequence of images is what you want ...

mehr als 3 Jahre ago | 0

Incorrect number of output arguments for 'pre_test_fixpt'. Expected 1, but found 2.
You show code for pre_test, but the error is about pre_test_fixpt. Have a look at how you call this function in your code.

mehr als 3 Jahre ago | 0

Why am I getting two different plots for the exact same matrix?
Maybe it helps if you transpose the matrix to get it right.

mehr als 3 Jahre ago | 0

Converting third dimension of 3D matrix to 1xN object
struct(ii).Image = A(:,:,ii);

mehr als 3 Jahre ago | 0

Setting certain pixels in a grayscale image to RGB (red) for MIP
From the above discussion, I came up with this solution: % fake some data X = rand(10, 10, 23); N = prod(size(X)); ...

mehr als 3 Jahre ago | 1