How to sort numbers in a char

Hello,

I have a difficulty to make a sorting in a char. I need to sort the next char by the second number of each big Letter, for example:

G([1.1277],u1+[2.9793],[0.3143])+G([0.2594],u1+[3.8532],[0.31232])+Y([4.1689],u1+[9.0615],[0.024204])+D([1.2424],u1+[1.5934],[0.024204])

it should be like that as a result:

Y([4.1689],u1+[9.0615],[0.024204])+G([0.2594],u1+[3.8532],[0.31232])+G([1.1277],u1+[2.9793],[0.3143])+D([1.2424],u1+[1.5934],[0.024204])

If someone could help me with that, it will be very helpful

Thank a lot :)

[Rik]

You need to solve difficult problems step by step.

1. Split the char into the terms
2. Extract the relevant number from each term
3. Use the second output of sort to determine the order
4. Apply the sort to the tems
5. Stich the terms back together

Answer 1

[Stephen23]

str = 'Y([4.1689],u1+[9.0615],[0.024204])+G([0.2594],u1+[3.8532],[0.31232])+G([1.1277],u1+[2.9793],[0.3143])+D([1.2424],u1+[1.5934],[0.024204])';
spl = regexp(str,'[A-Z]\([^\)]+\)','match');
vec = sscanf(str,'%*[A-Z]([%*f],u1+[%f],[%*f])+');
[~,idx] = sort(vec,'descend');
out = join(spl(idx),'+');
out = out{1}

out = 'Y([4.1689],u1+[9.0615],[0.024204])+G([0.2594],u1+[3.8532],[0.31232])+G([1.1277],u1+[2.9793],[0.3143])+D([1.2424],u1+[1.5934],[0.024204])'

[arthur doroshev]

Thank you very much Stephen Cobeldick