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I need to write matlab code to display number 20-50 except number that divisibility by 4 and 5 .How can i do it

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Image Analyst
Image Analyst 2021-7-18
Do you want to print out, using fprintf()
  1. numbers that are not divisible by either 4 or 5
  2. numbers that are not divisible by 4 and also not divisible by 5?
Those are different things. Or do you mean that the numbers you print out must be divisible by 4 and/or 5. That is yet a different thing.

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%I need to write matlab code to display number 20-50 except number that divisibility by 4 and 5 .How can i do it
numbers=[];
for(a=20:1:50)
num=a;
numCheck4=mod(a,4);%check if there is a rest by division with 4
numCheck5=mod(a,5);%check if there is a rest by division with 5
if(numCheck4~=0&&numCheck5~=0)
numbers(end+1)=a;%pushback
end
end

更多回答（2 个）

Torsten
Torsten 2019-4-3

0 个投票

N=20:50
A = setdiff(N,N(mod(N,4)==0 & mod(N,5)==0))
Basher Alnour
Basher Alnour 2021-7-18

0 个投票

Q1
numer = [2 -9/4 0.5];
d = conv([1 -0.5],[1 -1]);
deno = conv(d,[1 -0.25]);
[R P K] = residue(numer,deno)

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