# Convert for loop Matlab in python

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Harry Smith on 6 Dec 2022
Commented: Harry Smith on 6 Dec 2022
Hello everyone, i'd like to convert my Matlab for loop in a Python for loop, but i'am a beginner in Python.
The for loop is:
step=1;
% a,c,k,h are double arrays
cellsize=100;
me=43545;
mn=54656;
x = size(a,1);
y = size(a,2);
R = size((1 : step : x),2);
C = size((1 : step : y),2);
one = zeros(3,R,C);
two = zeros(3,3,R,C);
three = zeros(3,3,R,C);
four = zeros(12,R,C);
pos = zeros(3,1);
jj = 0;
for j = 1 : step : y
jj = jj + 1;
pos(1) = me + cellsize*(j-1);
ii = 0;
for i = 1 : step : x
ii = ii + 1;
pos(2) = mn - cellsize*(i-1);
pos(3) = a(i,j);
s = S(:,i,j);
lia=LIA(:,i,j);
[q w e r] = my_function(pos,c,s,k,h);
one(:,ii,jj) = q;
two(:,:,ii,jj) = w;
three(:,:,ii,jj) = e;
four(:,ii,jj) = r;
end
end

Florian Bidaud on 6 Dec 2022
The equivalent of
for i = start:step:finish
% do something
end
is
for i in range(start, finish+1,step):
#do something
Harry Smith on 6 Dec 2022
Thank you. Could you help me for rest of the script?