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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...

2 Monate 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)

4 Monate 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);

4 Monate ago | 1

| accepted

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

5 Monate 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)));

6 Monate ago | 0

| accepted

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

6 Monate 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...

7 Monate 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...

7 Monate 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...

etwa ein Jahr 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 ...

etwa ein Jahr 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.

etwa ein Jahr 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.

etwa ein Jahr ago | 0

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

etwa ein Jahr 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)); ...

etwa ein Jahr 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);

etwa ein Jahr 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...

etwa ein Jahr 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...

mehr als ein Jahr ago | 0

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

mehr als ein Jahr 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)

mehr als ein Jahr ago | 1

| accepted

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

mehr als ein Jahr ago | 0

| accepted

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...

mehr als ein Jahr 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

mehr als ein Jahr 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.

fast 2 Jahre 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)

fast 2 Jahre ago | 0

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

mehr als 2 Jahre 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...

mehr als 2 Jahre ago | 0

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

mehr als 2 Jahre ago | 0

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