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Accept 5 answers given by other contributors
Awarded to aditi on 20 Jul 2017
Feeds
Question
How to calculate errors in pearson linear fit
Hello everyone, I have done straight line fitting by using polyfit command where i gave polynomial = 1 and found the values of ...
1 year ago | 1 answer | 0
1
answerQuestion
save in a new file using 'save' command
I have a program which I am applying on 50 files. I want to now save output for everytime I run the program in a new file. Curr...
4 years ago | 1 answer | 0
1
answerQuestion
pass command line inputs
I have a MATLAB program with somewhat following structure: load file1.txt; load file2.txt a=file1(:,2); b=file2(:,2); g=fil...
4 years ago | 0 answers | 0
0
answersQuestion
Errors with fit parameters and correlation coefficient
I am doing spearman linear fit using the code structure given below. It gives me m (slope), c (intercept), correlation coefficie...
5 years ago | 0 answers | 0
0
answersQuestion
error during fitting a model
I am fitting a function using "fittype" and "fit" commands. But I am getting following error again and again. Sometimes it goes ...
7 years ago | 0 answers | 0
0
answersQuestion
Annimations/moving videos
Hey All, I have to make a animation video depicting development of the resultant plot as explained in detail as follow: I ...
9 years ago | 0 answers | 0
0
answersQuestion
Straight line fitting and error calculation
Hello everyone, I have done straight line fitting by using polyfit command where i gave polynomial = 1 and found the values ...
10 years ago | 1 answer | 0
1
answerQuestion
Gaussian fit with baseline subtraction
I have a curve.. and i want to fit gaussian function on it.. but not on full curve.. only on a part of it.. like if x range of f...
10 years ago | 0 answers | 0
0
answersQuestion
smoothing spline and save
I have a data x and y... I fitted smoothing spline. Now i want to save the fit parameters so that i can plot it in some other so...
10 years ago | 0 answers | 0
0
answersQuestion
Fit, save and plot
I have a data file with x and y. I imported data in CFTOOL and then fitted smoothin spline by manipulating the smoothing paramet...
10 years ago | 0 answers | 0
0
answersQuestion
plotting and fitting on same plot
I have to do spline fitting on 4 data files and then plot the original points plus the spline fitting on the same plot.. each da...
10 years ago | 0 answers | 0
0
answersQuestion
Non linear Least square fitting
I have a data set with three columns of X, Y and Y_error coordinates... I have to fit a equation y = a[x^(-1/k) - 37^(-1/k...
10 years ago | 1 answer | 0
1
answerQuestion
custom equation fitting and plotting
I have about 10 data files... i have to fit a equation (like power law) on each of them and finally plot the original plot and t...
10 years ago | 1 answer | 0
1
answerQuestion
counting number of times a values appears in file
i have a file with numbers like... 1 2 3 4 2 1 6 4 and so on... i want to count how many times eac...
10 years ago | 2 answers | 0
2
answersQuestion
custom equation fit with weighted LS fit
Hey everybody.. m new to MATLAB.. I have a file with x,y coordinates and error with y. I want to do least square fitting o...
10 years ago | 0 answers | 0
0
answersQuestion
non linear least square fit
Hello I would like to fit a data set (X,Y) with a non linear function y=f(x,a,b) where a and b are the paramters to be fi...
10 years ago | 0 answers | 0
0
answersQuestion
Calculating average and saving to a new file
I have few points between 200 to 500 which are unevenly spaced. I have to make a file with x and y as average of all ponts in...
10 years ago | 2 answers | 0
2
answersQuestion
taking average and saving to new file
hey everybody... i am new to MATLAB.. i was facing problem with a small code. i have a data file with about 100 points in x a...
10 years ago | 1 answer | 0
1
answerQuestion
greek symbols in matlab figures
I have to add some greek letters in MATLAB plots.. like nu and mu.. how can i add any greek symbol in the plot... either on axis...
10 years ago | 1 answer | 0
1
answerQuestion
cubic ploynomial fitting problem
Hi, I have 8 points ina data file on which m fitting cubic polynomial.. when i do fitting using cftool den i get a smooth fit...
10 years ago | 2 answers | 0
2
answersQuestion
subtract and save in a file and then plot
I have a file with 5 columns and 100 rows i.e like: 1 2 3 4 5 6 7 8 9 0 2 5 4 9 2 7 4 9 3 5 ..... and so ...
10 years ago | 1 answer | 0
1
answerQuestion
add result to next entry of the column
I have a column as: 1 2 3 4 5 and so on.... I have to add a no. 25 to first enrty and then add the result t...
10 years ago | 2 answers | 0
2
answersQuestion
re-arranging of columns
hi everyone.. i have a data file with 24 columns and 125 rows... I want to bring 23rd column after column 4... how will i do ...
10 years ago | 2 answers | 0
2
answersQuestion
a small program help
I have three files: 1) file1.ap and 2) file2.ap and 3)file3.ap with form as follows: file1 1 2 3 4 5 6 7 8 9 f...
10 years ago | 1 answer | 0
1
answerQuestion
copy pasting rows of a file to columns of other file
I have three files: 1) file1.ap and 2) file2.ap and 3)file3.ap with form as follows: file1 1 2 3 4 5 6 7 8 9 file...
10 years ago | 1 answer | 0
1
answerQuestion
how to smoothing a curve
I have a 1000 points data...how do we do the smoothing? something like moving average in mathematica??? I tried interpolation...
11 years ago | 1 answer | 0
1
answerQuestion
gaussian fitting piece wise for multi peak curve
I have about 500 points for x=x-axis and same for y=y axis when I plot x Vs y...i get a curve with many peaks (about 7-...
11 years ago | 1 answer | 0
1
answerQuestion
fitting equation with condition on 1 parameter
I have to fit an equation over my data. Equation has two unknows parameters to be found i.e a and b...but if i deliberately want...
11 years ago | 3 answers | 0
3
answersQuestion
equation fitting and plotting
I have 5 x axis values and 5 y axis values.. now i want to fit the equation f(x)=a*(x^b - 2^b) after that i have to p...
11 years ago | 1 answer | 0
1
answerQuestion
user defined equation fit to a dat a set
I have x axis values=x y axis values=y and equation of line to be fit on the plot of data is suppose d=a*exp(x^b - 2...
11 years ago | 1 answer | 0
1
answer
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