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Thorsten


Universität Gießen

1 500 total contributions since 2013

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Answered
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...

ungefär en månad ago | 0

Answered
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)

3 månader ago | 0

Answered
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);

3 månader ago | 1

| accepted

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

4 månader ago | 1

Answered
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)));

5 månader ago | 0

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Answered
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

5 månader ago | 1

| accepted

Answered
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...

6 månader ago | 0

| accepted

Answered
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...

6 månader ago | 0

| accepted

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

ungefär ett år ago | 0

Answered
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 ...

ungefär ett år ago | 0

Answered
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.

ungefär ett år ago | 0

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

ungefär ett år ago | 0

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

ungefär ett år ago | 0

Answered
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)); ...

ungefär ett år ago | 1

Answered
Calculate weighted average of a 2D matrix
X = rand(376, 481); w = rand(1, size(X, 2)); Xw = bsxfun(@times, X, w); m = mean(Xw, 2);

ungefär ett år ago | 0

Answered
How to make axis invisible? But not xlabel and ylabel!
The trick is to create handles to the labels and use these handles to re-set the color of the labels after the color of the axes...

ungefär ett år ago | 0

Answered
i want code to convert image to text
You can use deep learning networks from the neural networks toolbox: nnet = alexnet; % Load pretrain...

mer än ett år ago | 0

Answered
interpolating Sample data to finer increment
Vq = interp2(X,Y',Weights, -17.5:0.5:17.5, (-15:0.25:15)');

mer än ett år ago | 0

| accepted

Answered
How to set the y-axis values to be only integers?
plot(x) a = axis; axis([a(1) a(2) 0 4]); set(gca, 'YTick', 0:4)

mer än ett år ago | 1

| accepted

Answered
what is the difference between double and im2 double?
im2double converts to double and rescales the image to [0, 1].

mer än ett år ago | 0

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Answered
Finding out values for elements of an array from corresponding array elements?
You can represent your weights as a matrix using NaN for the diagonal elements that do not exist: Weights = [NaN, 0.79,0.31...

mer än ett år ago | 0

| accepted

Answered
Question about plotting/vectors
When x is a vector you have to use element-wise multiplication and division sigmax=(F/(pi*R))-((4*F*R.*x.^2)./(pi.*K)).*C

mer än ett år ago | 1

| accepted

Solved


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

mer än ett år ago

Answered
Resacaling an array to align and plot beside another
x = 1:600; A = rand(1, 600); y = 1:2:600; B = rand(1, 300); plot(x, A, y, B)

mer än ett år ago | 0

Answered
how to use LUT form configuring matrix
Use your matrix as index to LUT: Mnew = LUT(M);

mer än 2 år ago | 0

Answered
need to gray-rgb transforming
The idea is to convert a color map to an RGB image stripe of size 1 x N, where N is the number of entries in the colormap, and t...

mer än 2 år ago | 0

Answered
How do I check that input is numerical?
Using isnumeric

mer än 2 år ago | 0

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