Turining individual element to a matrix

2 次查看（过去 30 天）
Saheed Adio
Saheed Adio 2014-2-7
I wrote a function to accept an excel file (file attached) and to find from the temperature column (20:5:71)+- 0.05 and take the mean of the corresponding viscosity value; such that it will return 20 = xxx, 25 = xyxy.
I have 12 columns, in pair of temp and viscosity it is 6 columns (see attached file)
My function return the results correctly, but i need to put the results back into a matrix form so that i can write it into an excel sheet for further processing.
My code is:
function extract_viscosity
% This function extracts the viscosity at some designated temperature
% and return the temperature and average viscosity.
clc
filename = input('Enter an Excel file name: ','s');
[ri,header] = xlsread ([filename '.xls']);
% ask = input ('input file name', 's');
[~, col] = size(ri);
% mycell= repmat({NaN},size(ri));
% mycell= repmat({NaN},18);
% display (mycell);
A = [-0.05,-0.04,-0.03,-0.02,-0.01,0,0.01,0.02,0.03,0.04,0.05];
B = [20,25,30,35,40,45,50,55,60,65,70];
k=0;
for i = 1:1:11;
C = B(i) + A;
%display (C);
for t = 1:3:col;
col1 = ri(:,t);
col2 = ri(:,t+1);
solution = arrayfun(@(x) col2(find(col1== x,1,'first')),C','UniformOutput', false);
cmsolution = mean(cell2mat(solution));
stdeviation = std(cell2mat(solution));
% mymatrix(1:length(solution), t:t+1)= solution;
% cellconcat = cat(mycell', cmsolution);
display (mean(C'));
display (cmsolution);
display (stdeviation);
end
end
PLEASE SEE EXPECTED RESULT FORMAT IN THE SECOND SHEET (sheet name is result file) OF THE EXCEL FILE PROVIDED.
THANKS FOR ASSISTING!
Saheed.

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