Jan 13, 2013 · I am trying to add a trendline to a semilogx plot but cannot succeed. I want the trendline between y(17) and y(20), but it is not plotted as a straight line. This is my code: %// …

Dec 23, 2012 · Please how do I add trendline(s) to a certain straight line portion(s) of a plot and how to extend the trendline to touch y and or x axis and the y and or x axis value determined?

Oct 1, 2016 · I am trying to add a log-linear trend to a scatterplot with log y axis, but I cant seem to figure out how to do it. It is a very simple plot like this: >> scatter(data1,data2)

Mar 8, 2015 · add lsline or trend line to log-log graph. Learn more about log-log graph, polyfit i want to draw a least square line to log-log plot i am using following scripy wet=[120 49 30 21 …

Aug 14, 2019 · A linear line p1*x+p2 can be achieved by the following code, which assumes that you have the curve fitting toolbox installed. The last part concerning polyfit() does not need this …

Nov 5, 2016 · I am coding to make a trendline on my scatter plot. data=[]; for k=1:100 int=0; for t=1:100 if k_star_90(k,t)~=0 int=int+k_star_90(k,t); end if k_star_9...

Oct 17, 2011 · Hi, how can I obtain and display a trend line from some points? I need the equation of the trend line. Thanks

Jul 22, 2014 · Yes, a trend line goes somewhere between the data points but not on the points. A function, 'plot', could be a better solution but then the x-axis is equispaced and not considered …

I found how to fit a linear trendline but don't know how to fit a logarithmic trend line to this particular graph.

Since log (0)=-Inf, you cannot do a log-log fit or plot with zero-valued data. You have to decide what you want to do about the zero values first. You can fit all the data, but not using polyfit. …