MATLAB: How to delete specific text from multiple cell in a column

cellcolumneraseMATLABtext;

Hi!

I have the following column :

21.15 (cd)

42.12 (cd)

24.45 (cd)

…………..

It must show like this, without brackets and text :

21.15

42.12

24.45

…………..

Thanks in advance guys !

Best Answer

c = {'21.15 (cd)';...
     '42.12 (cd)';...
     '24.45 (cd)'};
func = @(x) sscanf(c{x},'%f');
Wanted = arrayfun(func,1:numel(c)).'

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Try this

M = [
    25.12
    45.13
    21
    22
    23
    65.55
    45.44
    42.66
    78.56
    45.88
    42.66
    89.78
    88.55
    45.55
    79.65
    45.66
    123.45
    259.45
    21.56
    42.53
    12.49
    21
    22
    23
    25.12
    45.13
    89.78
    88.55
    45.55
    79.65
    45.66
    45.44
    42.66
    78.56
    45.88
    45.55
    79.65
    45.66
    45.44
    42.66
    78.56
    45.88];
tf = ismember(M, [21; 22; 23]);
idx = find(diff(tf)>0)+1+(0:12);
vals = reshape(M(idx).', [], 1);

Result

MATLAB: How to generate second order best fit polynomial curve using MATLAB

Dan,

You can do this using poly2

x=[100 200 300 400 500]';
y=[200 500 900 1400 2000]';
ft = fittype( 'poly2' ); % Set up fittype and options.
[fitresult, gof] = fit( x, y, ft ); % Fit model to data.
f=@(x) fitresult.p1*x.^2+fitresult.p2*x+fitresult.p3;
plot(x,y,x,f(x),'o')

Best Answer

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MATLAB: How to display specific number string

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