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L K


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How can I find the equation of this curve shown in image below...?Is it possible?
<</matlabcentral/answers/uploaded_files/73045/iron_2.png>> Anybody can help me out with this?

presque 8 ans il y a | 1 réponse | 0

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what algorithm does the function boundary follow?
boundary function which builds up a curve or area around points...i just wanted if anyone knows which algorithm or formula it fo...

presque 8 ans il y a | 1 réponse | 0

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Question


Can anyone tell me how does curve fitting models like polynomial fit,linear fit help in classification of some data ,That is using CFTOOL?Just curious in knowing..what are things or parameters we should be looking at ?
Was just trying some models on some data, am a noob in using cftool... had gone through various articles on this...got to know s...

presque 8 ans il y a | 1 réponse | 0

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How to calculate the area enclosed by these 2 curves ?Image attached below....
<</matlabcentral/answers/uploaded_files/72837/iron_1.png>> <</matlabcentral/answers/uploaded_files/72838/iron_2.png>>

presque 8 ans il y a | 2 réponses | 0

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Question


Hi, I am finding area enclosed by convex hull using delayunayt​riangulati​on,,,i have pasted the code...I just need someone to tell me..the area i got is right according to my code?
theta1=[88,89,90,91,92,94,96,94,90,89,-100,-102,-104,-105,-104,-102,-101,-100]; radius1=[5,7,11,17,26,39,46,44,32,3,0,18,34,...

presque 8 ans il y a | 1 réponse | 0

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I am trying to find area of this polygon, image is attached.. Can anyone tell how to use polyarea function on this ?I have pasted the code
<</matlabcentral/answers/uploaded_files/72800/Capture.JPG>> %%Aluminium theta1=[88,89,90,91,92,94,96,94,90,89,-100,-102,...

presque 8 ans il y a | 1 réponse | 0

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Question


Like convexhull function convhull, i found boundary() for concave hull, but is there anyone who can tell me , how both functions have pros and cons? what is the difference between the two functions besides it being concave & Convex?
I am using both functions on my code, but i am getting the same result...I want to differentiate between the two.. and which is ...

presque 8 ans il y a | 1 réponse | 0

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Question


Can I use minboundrect on polar plot ? I am trying to us it, but i am not getting a proper rectangle....Is it correct to use on polar plot?
I want a boundary in the form of rectangle, i am trying to use that function,its not working on polar plot.... any advice?

presque 8 ans il y a | 2 réponses | 0

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Question


How to plot a circle of some radius on a polar plot ?
eg. i want a small circle with origin as center of some radius...ON the POLAR plot

presque 8 ans il y a | 2 réponses | 0

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Question


I have a phase angle at some amplitude, Please check the image i attached , why is it not getting plotted at particular Angle? I have pasted my code as well,,,anyone help
phase = 26.52867848 amp = 0.463647609 theta_rad = phase ; polar(theta_rad, amp, 'r.'); Output is <</matlabcentral/answe...

presque 8 ans il y a | 1 réponse | 0

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Question


Can anyone help me in this code ?
%% %To Calculate the points which lie inside and outside Tolerance [in,on] = inpolygon(real,imag,xch_larger,ych_larg...

presque 8 ans il y a | 2 réponses | 0

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Question


How to get an enlarged view of plotted polar plot ?
I have polar plot, with some marking, but when the figure pops, i have to zoom and see the markings as they are very close to ea...

presque 8 ans il y a | 1 réponse | 0

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Question


Hi, I am plotting a polar graph, i want the plotted polar graph to be enlarged so as i see clearly what is plotted on it, how do i do ?please help
I have polar graph with some marking which are very small , so i want the polar graph to be enlarged when i get the output along...

presque 8 ans il y a | 1 réponse | 0

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Question


Hi, Like convex hull has a inbuilt function known as convhul, is there any function for rectangular hull ?
the points should join in the form of rectangle

presque 8 ans il y a | 1 réponse | 0

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Question


If i want to know what algorithm or code is used in the back-end of any MATLAB in-built function....How can i know it? Is there any way or files ?
eg. delaytriangulation is an inbuilt function, if i want to know the code behind it...how can i get access ?

presque 8 ans il y a | 2 réponses | 0

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Question


I have two signals ,Tx and Rx... and i want to pass both of them through LPF to remove the harmonic components.
Tx_sig = .5*sin(2*pi*5*t); Rx_sig = Coil(Tx_sig,type); I get a received signal after passing in through that function, i t...

environ 8 ans il y a | 1 réponse | 0

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Can anyone help ,why is this statement of inpolygon not working in my code?
I want to find if the points theta1 at radius1 whether they are inside the polygon or outside which is denoted by th_smaller at ...

environ 8 ans il y a | 1 réponse | 0

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Question


Hi, I want the tolerance around this figure, I have posted the code ,where i am getting two figures on the upper and lower halfs of the original figure, which is shown in the attached image.Can anyone tell me what changes i must do ?
I have attached two figures 1. Error1.jpeg (which shows two figures on upper and lower half according to the code i posted) ...

environ 8 ans il y a | 1 réponse | 0

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Question


Can anyone help me,how do i put a 10% tolerance around this plot? how should i do it?
Here is the image below attached: It shows a plot where i have fitted the curve around it. Now i want a 10% tolerance around...

environ 8 ans il y a | 1 réponse | 0

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Question


How to fit a trapezium or a square or an ellipse around this? Is there any way ?
<</matlabcentral/answers/uploaded_files/68818/fit.png>>

environ 8 ans il y a | 1 réponse | 0

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Question


please someone help me in doing curve fitting on a polar plot????....I am only finding ways of doing fitting in 2D or 3D.....
I have a polar plot with some angles marked at some radius....How i fit a curve around it....please help

environ 8 ans il y a | 1 réponse | 0

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Question


whats the difference between the norm of residuals and r-square? and how does it tell the GOF?
When i open the curve fitting tool by cftool, in that there is nothing such as norm.of residuals. But,suppose if i open basic...

environ 8 ans il y a | 1 réponse | 0

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I want to fit curve on this polar plot around these points,As shown in the image,Can anyone help me please
Please can anyone tell me how to do it?Any way will be fine

environ 8 ans il y a | 2 réponses | 0

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can anyone tell me how do i do this?i want a similar thing..i have DB of some values..and i have to detect between two products
please can anyone suggest me any way to obtain similar results...

environ 8 ans il y a | 1 réponse | 0

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Question


can anyone help me how to do rectangular curve fitting ? which function to use?
i have some data points on the graph and i want to fit a rectangular curve around it..

environ 8 ans il y a | 1 réponse | 0

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Can anyone help me in this code? Only the first radius value is being taken everytime, its not getting incremented..... what change i have to do?
load data theta=data(:,1); radius=data(:,2); t=length(radius); for i=1:1:t; %rho = radius(i)*on...

environ 8 ans il y a | 1 réponse | 0

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Question


i have excel sheet with 1 column as phase angles, can anyone help me how do i plot those angles on polar plot?
i imported the data in MATLAB, but cant find a proper way to plot them on the polar plot.

environ 8 ans il y a | 1 réponse | 0

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Question


Can anyone help me in my problem ? please check the figure i have attached...
i have plotted the points on polar graph, but now i want to get a straight perfect line on the 30 degree(right now it is like a...

environ 8 ans il y a | 1 réponse | 0

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Question


if i want to plot a graph as i have shown in the figure, but at one particular angle without any radius...how should i do it ? l
like for eg. if i want to plot at 30 degree (an example)....

plus de 8 ans il y a | 1 réponse | 0

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polar plot error "Undefined function or variable 'polarplot'." Anyone help pls ?
I typed this code in my script, and the error i got is Undefined function or variable 'polarplot'. theta = 0:0.01:2*pi; r...

plus de 8 ans il y a | 1 réponse | 0

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