Thorsten

Universität Gießen

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MATLAB Basic: rounding
Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

6 mesi fa

Risolto

Solve a System of Linear Equations
*Example*: If a system of linear equations in _x&#8321_ and _x&#8322_ is: 2 _x₁_ + _x₂_ = 2 _x₁...

circa 4 anni fa

Risolto

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,....

circa 4 anni fa

Risolto

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...

circa 4 anni fa

Risolto

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...

circa 4 anni fa

Risolto

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...

circa 4 anni fa

Risposto
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];

quasi 5 anni fa | 0

Risposto
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...

circa 5 anni fa | 1

| accettato

Risposto
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 ...

circa 5 anni fa | 0

| accettato

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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.

circa 5 anni fa | 0

Risposto
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)...

circa 5 anni fa | 0

| accettato

Risposto
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...

circa 5 anni fa | 0

| accettato

Risposto
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...

oltre 5 anni fa | 0

Risposto
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)

oltre 5 anni fa | 0

Risposto
I have a 101 by 23 matrix, where first column is the ID of persons. I want to extract each value of every person <1.5, and store them in a new matrix, SO resultant matrix should have all values <1.5 and rest can be substituted to 0.
lowscale = numData; lowscale(lowscale < 1.5) = 0;

oltre 5 anni fa | 0

| accettato

Risposto
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);

oltre 5 anni fa | 1

| accettato

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

oltre 5 anni fa | 1

Risposto
How do i bring the user(cursor) to the 1st figure plot out of many figures ?
fig(1)

oltre 5 anni fa | 0

Risposto
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)));

oltre 5 anni fa | 4

| accettato

Risposto
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

oltre 5 anni fa | 1

| accettato

Risposto
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...

quasi 6 anni fa | 0

| accettato

Risposto
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...

quasi 6 anni fa | 0

| accettato

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

oltre 6 anni fa | 0

Risposto
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 ...

oltre 6 anni fa | 0

Risposto
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.

oltre 6 anni fa | 0

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

oltre 6 anni fa | 0

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

oltre 6 anni fa | 0

Risposto
here I am trying to get the random matrix with the elements only 1 and 0 where none of columns and rows can be 0 only and also the number of 0s and 1s should be in a percentage of 30% and 70%.
N=5; % size ok = false; maxiter = 1000; i = 1; while ~ok & i < maxiter ...

oltre 6 anni fa | 1

Risposto
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)); ...

oltre 6 anni fa | 1

Risposto
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);

oltre 6 anni fa | 0

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