how to plot ellipse in this format?
- by Cliff Cheung
Hi guys,
I would like to ask how to plot ellipse in such format??
a*x^2+b*y^2+c*x*y+d*x+e*y-1=0
I tried with ezplot and contour and it didn't seem to work.
Thank you guys!
Cliff.C
Search Results
Search found 895 results on 36 pages for 'scatter plot'.
Page 7/36 | < Previous Page | 3 4 5 6 7 8 9 10 11 12 13 14 | Next Page >
-
-
create a graphical plot using allegro
- by shap
i need to take 5 values and plot them using allegro. i have never used it before so any first timer simple solutions?Read the article
-
Trying to keep filled bars in a faceted plot
- by John Horton
Not sure what I'm doing wrong here. I have this plot: ggplot(data.PE5, aes(ybands,fill=factor(decide))) + geom_bar(position="dodge") which produces: Then I want to facet by a factor, creating two stacked plots w/ dodged, colored bars ggplot(data.PE5, aes(ybands,fill=factor(decide))) + geom_bar(position="dodge") + facet_grid(~group_label) …Read the article
-
Removing specific ticks from matplotlib plot
- by Jsg91
I'm trying to remove the origin ticks from my plot below to stop them overlapping, alternatively just moving them away from each other would also be great I tried this: xticks = ax.xaxis.get_major_ticks() xticks[0].label1.set_visible(False) yticks = ax.yaxis.get_major_ticks() yticks[0].label1.set_visible(False) However this removed the first…Read the article
-
Decision region plot for neural network in matlab
- by Taban
I have a neural network trained with backpropagation algorithm. I also create data set (input and target) random. Now I want to plot a decision region where each region is marked with a red star or with a blue circle according to whether it belongs to class 1 or -1. I searched a lot but just find plotpc function that is for perceptron algorithm.…Read the article
-
Can Google Maps plot points based on Hours Minutes Seconds
- by Serhiy
I'm trying to plot out GPS data that is given to me in Hour Minute Second degree format. Will GLatLng take it in this form or do I need to convert it first. Having a hard time finding anything on the internet about this. If it can take it in this format an example would be much appreciated.Read the article
-
windows Forms curve/plot control
- by linjunhalida
I need plot a curve for my data , the source is like : 12, 14, 18, 30, .... I was using Qt Qwt, and need port it to windows forms, are there controls? free of charge?Read the article
-
save plot into image file in matlab: difference between saveas and print
- by Tim
Hi I wonder when saving plot into image file in matlab, what is the difference between saveas and print? In what cases both can be used and in what cases only one can be used? Thanks and regards!Read the article
-
core plot error?
- by senthilmuthu
hi, i am using core plot framework,when i run following code in viewdidload gives crash.the view is as custom view... graph = [(CPXYGraph *)[CPXYGraph alloc] initWithFrame:CGRectZero]; CPLayerHostingView *hostingView = (CPLayerHostingView *)self.view; hostingView.hostedLayer = graph;**(gives error)** what i have to do? any help please?Read the article
-
Setting XTick or XLabels for a plot containing millisecond data
- by Dave
I am trying to set the X-Axis labels on a plot. I have a vector of times, these go down to the millisecond level. I have tried setting both XTick and XTickLabel properties but things are not working correctly (labels are not valid). Any suggestions on what one needs to do to get datetick to work when working with times that go down to the…Read the article
-
Thoughts about alternatives to barplot-with-error-bars
- by gd047
I was thinking of an alternative to the barplot-with-error-bars plot. To get an idea by example, I roughly 'sketched' what I mean using the following code library(plotrix) plot(0:12,type="n",axes=FALSE) gradient.rect(1,0,3,8,col=smoothColors("red",38,"red"),border=NA,gradient="y") …Read the article
-
Drawing and filling different polygons at the same time in MATLAB
- by Hossein
Hi,I have the code below. It load a CSV file into memory. This file contains the coordinates for different polygons.Each row of this file has X,Y coordinates and a string which tells that to which polygon this datapoint belongs. for example a polygone named "Poly1" with 100 data points…Read the article
-
"Invalid Handle Object" when plotting 2 figures Matlab
- by pinnacler
I'm having a difficult time understanding the paradigm of Matlab classes vs compared to c++. I wrote code the other day, and I thought it should work. It did not... until I added <handle after the classdef. So I have two classes, landmarks and robot, both are called from…Read the article
-
Changing text size on a ggplot bump plot
- by Tom Liptrot
Hi, I'm fairly new to ggplot. I have made a bumpplot using code posted below. I got the code from someones blog - i've lost the link.... I want to be able to increase the size of the lables (here letters which care very small on the left and right of the plot) without affecting…Read the article
-
How to center an R plot
- by ConnorG
I'm working on visualizing a matrix in R (almost exactly like http://reference.wolfram.com/mathematica/ref/MatrixPlot.html), and I've been using image(<matrix>,axes=FALSE) to draw the picture. However, I noticed that with the y-axis turned off, the plot isn't…Read the article
-
Plot smooth line with PyPlot
- by Paul
I've got the following simple script that plots a graph: import matplotlib.pyplot as plt import numpy as np T = np.array([6, 7, 8, 9, 10, 11, 12]) power = np.array([1.53E+03, 5.92E+02, 2.04E+02, 7.24E+01, 2.72E+01, 1.10E+01, 4.70E+00]) plt.plot(T,power) plt.show() …Read the article
-
Python: Plot some data (matplotlib) without GIL
- by BandGap
Hello all, my problem is the GIL of course. While I'm analysing data it would be nice to present some plots in between (so it's not too boring waiting for results) But the GIL prevents this (and this is bringing me to the point of asking myself if Python was such a…Read the article
-
How to center an R plot after removing axis labels
- by ConnorG
I'm working on visualizing a matrix in R (almost exactly like http://reference.wolfram.com/mathematica/ref/MatrixPlot.html), and I've been using image(<matrix>,axes=FALSE) to draw the picture. However, I noticed that with the y-axis turned off, the plot…Read the article
-
simple plot algorithm with autoscale
- by adrin
I need to implement a simple plotting component in C#(WPF to be more precise). What i have is a collection of data samples containing time (X axis) and a value (both double types). I have a drawing canvas of a fixed size (Width x Height) and a DrawLine…Read the article
-
google maps plot route between two points
- by amarsh-anand
I have written this innocent javascript code, which lets the user create two markers and plot the route between them. It doesnt work, instead, it gives a weird error: Uncaught TypeError: Cannot read property 'ya' of undefined Can someone suggest me…Read the article
-
Howto Plot "Reverse" Cumulative Frequency Graph With ECDF
- by neversaint
I have no problem plotting the following cumulative frequency graph plot like this. library(Hmisc) pre.test <- rnorm(100,50,10) post.test <- rnorm(100,55,10) x <- c(pre.test, post.test) g <-…Read the article
-
Changing font size of legend title in Python pylab rose/polar plot
- by LaurieW
I'm trying to change the font size of the title of an existing legend on a rose, or 'polar', plot. Most of the code was written by somebody else, who is away. I've added:- ax.legend(title=legend_title) setp(l.get_title(),…Read the article
-
Model Fit of Binary GLM with more than 1 or 2 predictors
- by Salmo salar
I am trying to predict a binary GLM with multiple predictors. I can do it fine with one predictor variable however struggle when I use multiple Sample data: structure(list(attempt = structure(c(1L, 2L, 1L, 2L, 1L, 1L, …Read the article
-
R: ggplot2, how to get the parameters from a plotted linear model smoother?
- by John
I have a data.frame with 3 time series in it, shown below. When I plot them with a smoother time series, I want to be able to get the parameters of the linear model that I plot, but I can't see how to do that? …Read the article
-
set width of bars in matlab bar plot on logarithmic scale
- by KatyB
I am a bit confused on how to draw a bar graph for the following example: x_lims = [1000,10000;10000,100000;100000,1000000;1000000,10000000;10000000,... 100000000;100000000,1000000000;1000000000,10000000000;... …Read the article
