Frage

How to identify a user?
I have a body of code that is being used & abused by some of my users. I would like to be able to find out who has been using th...

fast 13 Jahre vor | 2 Antworten | 1

2

Antworten

Beantwortet
How do I find the index of a value in an array that lies between two values in another array?
for i = 1:numel(a)-1 c = b > a(i) & b < a(i+1); c = b(c); if isempty(c) continue else % do something, sin...

fast 13 Jahre vor | 0

| akzeptiert

Beantwortet
test for equality not working 8.0.0.783 (R2012b)
Actually, for the test of equality, you should check for exact equality, and you should control the tolerance you are willing to...

fast 13 Jahre vor | 1

Beantwortet
how to generate a uniform distribution with an constraint
Rearrange the function into the form: c2 = g(c1,constant), Randomly generate c1, and simply calculate c2, based on the co...

fast 13 Jahre vor | 0

| akzeptiert

Beantwortet
Help me to draw graphic for vector xyz :)
t = 0:0.01:10 x = 5*t.^2; y = -2*t; z = 2; plot3(x,y,z) Make sure you get x, y and z correct ;)

fast 13 Jahre vor | 0

Beantwortet
[Computer Vision] Size of colored Object detected with my algorithm
have a look at regionprops.

fast 13 Jahre vor | 0

Beantwortet
Entropy of subsections of an image
Try E = entropyfilt(im,ones(3,3)); ime = E < threshold;

fast 13 Jahre vor | 0

| akzeptiert

Beantwortet
What is this code doing exactly?
looks like its opening some pairs of files and overlaying some parts of the second image on the first, and saving the result.

fast 13 Jahre vor | 0

| akzeptiert

Beantwortet
Generating a pdf file using Matlab
Put your script into cells. In each cell add a line to print to screen/output a plot. (disp, plot, etc.) - No need for fopen etc...

fast 13 Jahre vor | 0

Beantwortet
Mean value of data with irregular intervals
Why not just take a weighted mean? This method ignores y(1) - you could change it to ignore y(end), or add info and inclue it...

fast 13 Jahre vor | 0

| akzeptiert

Beantwortet
How to change seconds since 1st January 1985 to YYYY-MM-DD-HR-M-S format?
seconds_since_1985 = 981364894; % days_since_1985 = seconds_since_1985 / 86400; datestr(days_since_1985 + datenum('1/1/198...

fast 13 Jahre vor | 0

Beantwortet
How to Increase the Refresh Rate of a Continuously Updating Plot
Try adding a "drawnow" statement after your plotting command.

fast 13 Jahre vor | 0

Beantwortet
Plotting in semi-realtime
pause(delay_time) That's likely what you're looking for.

fast 13 Jahre vor | 0

Beantwortet
ln not recognised as a command
You can fix it by putting: ln = @(x)(log(x)); at the start of your code... or replace ln with "log"

fast 13 Jahre vor | 0

| akzeptiert

Beantwortet
summing up array element
for i = 1:numel(p) c(i) = sum(p(1:i)); end Or so_far = 0; for i = 1:numel(p) so_far = so_far + p(i); c(i)...

fast 13 Jahre vor | 0

Beantwortet
Error using: Out of memory
Hello, "Out of memory" errors typically occur because your code is trying to store a single large array, and it will not fit ...

fast 13 Jahre vor | 0

| akzeptiert

Beantwortet
How to slipt an image into equal & non-overlapping 2*2 matrixes in matlab?
For a 128 by 128... for i = 1:2:127 for j = 1:2:127 split_2x2(:,:,(i+1)/2,(j+1)/2) = image(i+[0 1],j+[0 1]); end ...

fast 13 Jahre vor | 0

Beantwortet
Errors trying to save data to an excel file
{'Mean','Max','Min','Std','Median';average;maximum;minimum;stde;med}; tries to make a table like the following: Mean, Ma...

fast 13 Jahre vor | 0

| akzeptiert

Beantwortet
Building matrix using vectors?Easy question.
Depending what you have: 1) matrix = [row_vector1;row_vector2; ... row_vectorn]; 2) matrix = [col_vector1, col_vector2, .....

fast 13 Jahre vor | 0

| akzeptiert

Beantwortet
How to use Bitxor for Double Numbers
typecast(bitxor(typecast(0.3243,'uint64'),typecast(0.12325,'uint64')),'double')

fast 13 Jahre vor | 0

| akzeptiert

Beantwortet
The Watershed Transform::separate objects::please help
Should BW be bw?

fast 13 Jahre vor | 0

| akzeptiert

Beantwortet
How to plot more figures
after plotting the first time issue any one of these three cmmands: figure hold on hold all Your loop also should be ...

fast 13 Jahre vor | 0

| akzeptiert

Beantwortet
How do I ensure that the fields within handles stay available throughout GUI Callbacks?
Well, not to be too obvious, but "handles.geo_utitable1" looks like a typo...

fast 13 Jahre vor | 0

Beantwortet
how to rearrange the code in simple way
input = reshape(q(1:10,1:419)',1,[]); output = zeros(10,419);

fast 13 Jahre vor | 0

Beantwortet
Draw a line between two points
This is the raw maths... point1 = [x1 y1]; point2 = [x2 y2]; point3 = [x3 y3]; m = (y2 - y1) / (x2 - x1); c = y2 -...

fast 13 Jahre vor | 0

Beantwortet
Newbie: The variable (k) of the for loop inside a while
At the start/end of each for loop, the loop variable is reset to the next value. for i = 1:5 disp(i) i = i + 1; dis...

fast 13 Jahre vor | 0

| akzeptiert

Beantwortet
How to create dummy variable?
Use the mean of the two "surrounding" points A(75,4) = A(74,4) + A(76,4); Fit a curve to the known points, and then evalu...

fast 13 Jahre vor | 0

| akzeptiert

Beantwortet
How to identify and characterize flaky particles in microscope image
doc regionprops - This will tell you how to handle the simple cases (spatially separated flakes) For the harder ones, with in...

fast 13 Jahre vor | 1

Beantwortet
how to load rest of data
load(....,'percentiles') stored_percentiles{j} = percentiles;

fast 13 Jahre vor | 0

Beantwortet
How can I import bin file?
You've opened the file for write access. fid = fopen('vpt.bin','r'); You either need to be sure that "vpt.bin" is in mat...

fast 13 Jahre vor | 0

| akzeptiert