replace values in an array with certain numbers
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I have an array (very long array) with values varying from 1 to 20 (with decimal values in between). What i want to do is the following:
if the values in my array are between 0 and 1, then replace with number 500;
if the values are between 1 and 2, then replace with 1000;
if the values are between 2 and 3, then replace with 1500;
..... and so on.
How could i do this, thanks in advance :)
采纳的回答
KSSV
2020-12-14
You can get the logical indices by using:
idx = A >=0 & A< 1 ; % logical indices
A(idx) = 500 ; % repalces them
Follow the same with others.
2 个评论
Daniel Pollard
2020-12-14
This is likely the best way. It's probably possible to use a loop to avoid code getting too out of hand:
for val = 1:20
idx = (A >= val-1) && (A < val);
A(idx) = val*500;
end
Fadel Raad
2020-12-15
更多回答（1 个）
x = 2*rand(10, 1);
edges = 0:2;
d = discretize(x, edges, [500, 1000]);
results = table(x, d, 'VariableNames', ["Raw data", "Discretized value"])
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