Multiplying structure array with a scaler

I have Data.mat file that is a 1x365 structure array and i would like to multiply all the values of the 4th column by 2 and store them in to a variable.

[DGM]

This might help:

https://www.mathworks.com/matlabcentral/answers/66780-multiply-each-element-of-structured-array-assignment-of-structured-array

numericoutputarray=[mystruct.field4]*2;

Answer 1

[Matt J]

If you mean you want to multiply all the fields by 2,

s0.a=1;s0.b=2;s0.c=3 %example struct

s0 = struct with fields:
    a: 1
    b: 2
    c: 3

s=structfun(@(f)2*f, s0,'uni',0)

s = struct with fields:
    a: 2
    b: 4
    c: 6