Pregunta

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...

alrededor de 13 años hace | 2 respuestas | 1

2

respuestas

Respondida
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...

alrededor de 13 años hace | 0

| aceptada

Respondida
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...

alrededor de 13 años hace | 1

Respondida
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...

alrededor de 13 años hace | 0

| aceptada

Respondida
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 ;)

alrededor de 13 años hace | 0

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

alrededor de 13 años hace | 0

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

alrededor de 13 años hace | 0

| aceptada

Respondida
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.

alrededor de 13 años hace | 0

| aceptada

Respondida
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...

alrededor de 13 años hace | 0

Respondida
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...

alrededor de 13 años hace | 0

| aceptada

Respondida
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...

alrededor de 13 años hace | 0

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

alrededor de 13 años hace | 0

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

alrededor de 13 años hace | 0

Respondida
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"

alrededor de 13 años hace | 0

| aceptada

Respondida
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)...

alrededor de 13 años hace | 0

Respondida
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 ...

alrededor de 13 años hace | 0

| aceptada

Respondida
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 ...

alrededor de 13 años hace | 0

Respondida
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...

alrededor de 13 años hace | 0

| aceptada

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

alrededor de 13 años hace | 0

| aceptada

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

alrededor de 13 años hace | 0

| aceptada

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

alrededor de 13 años hace | 0

| aceptada

Respondida
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 ...

alrededor de 13 años hace | 0

| aceptada

Respondida
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...

alrededor de 13 años hace | 0

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

alrededor de 13 años hace | 0

Respondida
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 -...

alrededor de 13 años hace | 0

Respondida
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...

alrededor de 13 años hace | 0

| aceptada

Respondida
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...

alrededor de 13 años hace | 0

| aceptada

Respondida
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...

alrededor de 13 años hace | 1

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

alrededor de 13 años hace | 0

Respondida
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...

alrededor de 13 años hace | 0

| aceptada