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Questions tagged [curves]

129 questions
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Getting repaint issue while creating parabolic curves using awt in java

Hi I am trying to create parabolic curves using lines in awt java but previous lines are getting removed as soon as some new lines are drawn. I am using this code in paint method static int x1 = 0; static int y1 = 300; static int x2 = 300; static…
Bruce_Wayne
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How to find the intersection of two curves?

How do I find the intersection of two curves given by arrays y1 and y2, having the same x values? This is my current code: import numpy as np import matplotlib.pyplot as plt from scipy import optimize fig = plt.figure() ax = fig.add_subplot(111) Ls…
learn_python
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Plotting the mean curve based on multiple curves/dataset in R

I want to estimate an "Average curve" from curves of multiple trials. I have done this before using approx() , but then I had a fixed set of x-axis values against which y was measured. In this dataset, values are mixed for both x and y (i.e., there…
Shishir
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Drawing a deltoid curve in canvas

https://jsfiddle.net/prew217o/ As you can see ive tried converting the deltoid formula to code but why isnt it working? I wonder what ive done wrong because the formula is the exact same one as in the wikipedia article. const ctx =…
Asperger
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Lift Charts in R error The y variable must be a two-level factor

I have been trying to make a lift curve from my Logistic Regression but it doesn't seem to work. Following it the code I have been trying inTrain <- createDataPartition(y = Data$Response, p = .60, list = FALSE) training <- Data[inTrain,] testing <-…
paddy
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R: How can I plot the average curve of a set of curve using ggplot2 in R

I'm relative new in R language and I'm trying to plot the average of a set of curves, for example in the picture below I have 3 curves and I need to plot the average of the 3 curves. What aproximations can I take to solve this? Graph My data is…
Wolkuz
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How to fill the area between two independent curves in python?

I am ploting two different lines meaning that each of them have a different list for Y axis values and X axis values. How can I fill the area between them if the X axis values are different? Let's say I have the lists for every axis for every curve:…
BlueMountain
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How to find when a curve is above another curve

I am trying to identify the points on the graph below where line2 reaches a point above or below line 1. Any ideas on how to do this?
Matias Castro
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Can't get curves from FBX

I'm trying to obtain animation curves from fbx file with FBX SDK. I'm trying like it said in FBX docs: http://help.autodesk.com/view/FBX/2017/ENU/?guid=__cpp_ref__import_scene_2_display_animation_8cxx_example_html . Here's the code: int…
tester
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Calculating the new position of a parented controller after rotating the parent in Maya using Python

I'm creating code to create a motion path of a controller based on it's keyframed positions in Maya. I've run into a problem when trying to use this code to create a motion path of a parented controller. If I rotate and translate the parent the…
zaidi92
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Is there some ways to get the features of a curve?

Now, I have a group of data which describes objects' access counts per seconds. According to these data I get the curves of every object as follows. So I wander how can I get the features of every curve. For curve A, there is a sharp change between…
Aries_Liu
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joining points with smooth curves in opengl

I have a list of points say a, b, c and d that I want to join like a - b - c - d. Right now I'm just taking two points at a time and drawing a line between them. But the result is sharp corners. So I thought of joining them with curves so that…
Vishwas
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Dynamical splines library for C++

i am having a lot of datapoints (e.g: 1000) which display the lanes of the road. I am also getting new Datapoints for the same location (more measurement for same point) and for the next Datapoints. So i am getting the flow of the Datapoints. I want…
Nikolai
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R - curve() error

This is head of data G Date Open Close Volume Adj.Close 2016-03-03 718.68 712.42 1958000 712.42 2016-03-04 714.99 710.89 1972100 710.89 2016-03-07 706.90 695.16 2985100 695.16 2016-03-08 688.59 …
r_hudson
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Calculate acceleration curve

I need to calculate the position of a view as it travels from point A to point B. There will be an input value that will change linearly, and based on that input value I need to calculate the position of my view. By the end both the input value and…
Mark Bridges
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