how to write matlab code

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

[Alex Mcaulley]

Thinking...

doc mod

[Image Analyst]

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.

Answer 1

[Andreas Bernatzky]

%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

Answer 2

[Torsten]

N=20:50
A = setdiff(N,N(mod(N,4)==0 & mod(N,5)==0))

Answer 3

[Basher Alnour]

 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)