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Question
Solving linear overdetermined systems. +and in a Flow matrix.
Hi I have two problems, both that have to do with linear systems. First: I have an equation in the form c1*y1 + c...
14 years ago | 0 answers | 0
0
answersExponential/Power curve fitting from data
How do i use a linear regression when all the linear fittings are already predefined? ie polyfit or poly val. I wanna be able to...
14 years ago | 0
Help with nonlinear robost fitting on nlinfit function. fminsearch works fine but not nlinfit.
Ok thanks, that solves that but now i get the same error as the other one, that is that the modelfun returns NaN values. ndata i...
14 years ago | 0
Question
Help with nonlinear robost fitting on nlinfit function. fminsearch works fine but not nlinfit.
Hi Im trying to fit some data i have to a function. I have used fminsearch and it has worked fine. Except I wanna introduce r...
14 years ago | 2 answers | 0
2
answersReading in data and plotting the sunrise/sunset time of different dates against the time.
Hi, that work fine to make read the time, but when i plot i wanna have the axis to read HH:MM (ie 07.00) now it is in the scale ...
14 years ago | 0
Question
Reading in data and plotting the sunrise/sunset time of different dates against the time.
Hi I was wondering if there is a way to plot the sunset time against the date of a month. I have data that i can get from ...
14 years ago | 4 answers | 0
4
answersPlotting the resual difference between two plots, example picture in the thread.
Thanks a lot work like a charm. I will post full code below for future readers. clear, clc, clf x = 0:pi/16:2*p...
14 years ago | 0
Question
Plotting the resual difference between two plots, example picture in the thread.
Hi Im doing data fitting and am interested in plotting a line from the data to the fitted curve, see wikipedia image. <htt...
14 years ago | 2 answers | 0
2
answersQuestion
Assigning data to variable names in a vector during a for loop.
Hi I wanna make a vector with variable names and then assign values to the from a for loop. Estimates = [1 2 3 4 5 6 7]...
14 years ago | 2 answers | 0
2
answersExponential/Power curve fitting from data
Hi thanks for answering. I did as you suggested. I created another function and tried to solve it in a linear fashion. This i...
14 years ago | 0
Exponential/Power curve fitting from data
Hello I solved it by myself. Here is the answer if anyone is interested later on. clc,clear % y d1 ...
14 years ago | 0
Question
Exponential/Power curve fitting from data
Hey I would like some help on finding some unknown constants in an equation, from some data i have. The function I have is th...
14 years ago | 4 answers | 0
