Risposto
How to find the corresponding x value from a polynomial curve?
interp1 is used to find an Yi-value for a known Xi value if you have a data zet (x,y)=> so it is not usefull to find the maximum...

circa 13 anni fa | 0

Risposto
Displaying the value in cell
gene{1}(1,1) will show the content of the first cell so replace the numbers be the desired position or use : to see a range try...

circa 13 anni fa | 0

| accettato

Domanda


trying to parametrize code for 'solve' and 'syms' command
Hi, Below I show code for using syms and solve with order 3, but I want to automatically generate also other orders.(like up...

circa 13 anni fa | 1 risposta | 0

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code explanation in image processing
Hi, It gives you all values of a that are higher than threshold a>150 gives a logical (0 or 1) matrix from the same size as a...

circa 13 anni fa | 0

Risposto
Digital signal processing - average fit of periodic signal?
if you do not have the curve fitting toolbox then your approach sounds exceptable to find the average signal , put all values fo...

circa 13 anni fa | 0

Risposto
how to mark the outline alone of the given input image?
Hi, I think 'Image Analyst' gave a useful answer in http://www.mathworks.nl/matlabcentral/answers/46407-image-edge-to-black ...

circa 13 anni fa | 0

Domanda


Question about the use of "Answers"
Hi, maybe simple questions but, 1) If you comment on a question, that you are interested in, is there an easy way to tra...

circa 13 anni fa | 3 risposte | 2

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removing objects which have area greater and lesser than some threshold areas and extracting only the objects which have the area in between
Hi, to get properties from areas of blob in the image You have to do labeling first or transfrom to BW images then you c...

circa 13 anni fa | 0

Risposto
About interp1.m (1D interpolation) function?
Hi, just a suggestion, I had a similar issue with a large data set of measurement where indeed you can have (x,y) and (x,y+dy)...

circa 13 anni fa | 1

Risposto
Is there a way to dynamically save a plot figure into a jpeg file without having to type the filename i would be saving it into?
Hi, with e.g.: freq=1 time=103 Filename = ['F' num2str(freq) '_h' num2str(time) '.jpg'] =>Filename =F1_h103.jpg then ...

circa 13 anni fa | 1

Domanda


difference between using interp1( X,Y, xi, 'linear', 'extrap') and doing the extrapollation after curve fitting
Hi I know extrapollation are not ideal but I used xi= interp1( X,Y, xi, 'linear', 'extrap') and the results are totally onl...

circa 13 anni fa | 1 risposta | 0

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Risposto
I have a rather large matrix. The data was sampled at 100 Hz. I want to the data to look like it was sampled at 5 Hz
well If I understand it well you have a vector Sample100 with 100 Hz Samples and you want only the sample @ 5 hz Sample5=Sample1...

circa 13 anni fa | 0

Domanda


processor use only 13% when excuting function/script
Hello, I am calculating spread pattern of quite a large amount of projectiles. When I run the full model it take more than ...

circa 13 anni fa | 2 risposte | 0

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Risposto
Adding a header to a .txt file
I am not 100% sure what you are trying to do but if you want to write to a text file, that is quite well explained in the help...

circa 13 anni fa | 3

Domanda


Evaluation of a for loop
hello is this pseudo code: for Counter=1:size(M,2) if someting delete row from M end end If wo...

circa 13 anni fa | 3 risposte | 1

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Domanda


Error evaluating parameter 'Value' in simulink
Hi, I am using simulink to calculate ballistics flights. Until now a used : [time, state, output]=sim ('ballistic_flight_...

oltre 13 anni fa | 2 risposte | 1

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Domanda


edge merging
Hello, I am comparing different techniques for extraction grains from an image: one method that I want to test is using edge...

oltre 13 anni fa | 2 risposte | 1

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Risposto
Histeq in old version worked with RGB
Ok, that's true, thanks for your interesting input, but I need to compare the results of the results of algorithm with visual ...

oltre 13 anni fa | 0

Risposto
Histeq in old version worked with RGB
well it gave good results in the image we processed (image were completely dark due too low light condition, after histeq I was ...

oltre 13 anni fa | 0

Domanda


Histeq in old version worked with RGB
Hi, I am reusing some old code from a research project we did years ago, I used 'ImageEq=histeq(ImageOrg, counts)' Now ...

oltre 13 anni fa | 3 risposte | 0

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Multipline plotting
ok, this was stupid of me, tried that solution but forgot to transpose, sorry, THANKS

oltre 13 anni fa | 0

Domanda


Multipline plotting
Hello, I need to plot over 3000 line segments on a figure, normally I use a loop close all A=[1 2 3 4;2 8 9 10;5 6 7 ...

oltre 13 anni fa | 2 risposte | 0

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Domanda


I have a problem with the output of solve
ello, I tried to solve an equation syms x y; S = solve('x^2 + y^2 = 240^2','x*(s-x)+y*(t-y)-240*sqrt((s-x)^2+(t-y)^2)*0.64...

quasi 14 anni fa | 1 risposta | 0

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