Search found 4 matches

by Anbazhagan Panjamani
Wed Feb 25, 2015 5:50 am
Forum: Suggestions/Questions
Topic: To fit straight line segments throughout a curve in triparte
Replies: 3
Views: 14480

With generate- polynomial of degree one , I can get only a straight line segment . I need to do piecewise linear fitting of the curve . I need 7 line segment with least sqare fitting through the curve.
by Anbazhagan Panjamani
Wed Feb 25, 2015 5:42 am
Forum: General discussion
Topic: PIECEWISE LINEAR FITTING OF RESPONSE SPECTRUM IN TRIPARTITE
Replies: 4
Views: 21994

PIECEWISE LINEAR FITTING OF RESPONSE SPECTRUM IN TRIPARTITE

Is there any option for piecewise linear fitting of 7 line segments through an earthquake response spectrum in a tripartite grid using least square fitting method and to get the break points of the fitted curve ?? There is few constraints : 1.) The third line segment should have a slope of 45 degree...
by Anbazhagan Panjamani
Tue Feb 24, 2015 8:31 am
Forum: General discussion
Topic: EDITING DIAGONAL AXES OF TRIPARTITE PLOT
Replies: 1
Views: 19176

EDITING DIAGONAL AXES OF TRIPARTITE PLOT

I have to plot a response spectrum in the tripartite grid in which I need to normalise the vertical axis and diagonal axes with few parameters. The vertical axis I am able to normalise by edit -operate on y axis option but how to normalise the diagonal axes of the response spectrum?
by Anbazhagan Panjamani
Wed Dec 17, 2014 3:59 am
Forum: Suggestions/Questions
Topic: To fit straight line segments throughout a curve in triparte
Replies: 3
Views: 14480

To fit straight line segments throughout a curve in triparte

Hi ,

I have a curve in a tripartite plot . I want to do least square fitting of straight line segments through that curve and want the values of points at the intersection of these straight line segments. Which option in D Plot software helps me for the same ? Kindly help