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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...

10년 이상 전 | 0

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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...

10년 이상 전 | 0

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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...

10년 이상 전 | 답변 수: 1 | 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...

10년 이상 전 | 0

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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...

10년 이상 전 | 0

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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 ...

10년 이상 전 | 0

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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...

10년 이상 전 | 답변 수: 3 | 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...

10년 이상 전 | 0

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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)...

10년 이상 전 | 1

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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 ...

10년 이상 전 | 1

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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...

10년 이상 전 | 답변 수: 1 | 0

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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...

10년 이상 전 | 0

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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 ...

10년 이상 전 | 답변 수: 2 | 0

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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...

10년 이상 전 | 3

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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...

10년 이상 전 | 답변 수: 3 | 1

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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_...

10년 이상 전 | 답변 수: 2 | 0

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

10년 이상 전 | 답변 수: 2 | 1

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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 ...

10년 이상 전 | 0

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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 ...

10년 이상 전 | 0

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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 ...

10년 이상 전 | 답변 수: 3 | 0

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

11년 이하 전 | 0

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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 ...

11년 이하 전 | 답변 수: 2 | 0

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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...

약 11년 전 | 답변 수: 1 | 0

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