Prime number program code in Scilab
x=input("Enter any number ");flag=0;for i = 2:(x-1) if(modulo(x,i)==0) then flag=1; break; end;endif(flag==1) then disp("not prime number");else disp("prime number");end;
MATLAB code for Circular Convolution using Matrix method
% circular convolution using matrix method %clc;x=[1,2,3,1];h=[4,3,2,2];H=zeros(0);h_index=1;N=length(x);y=zeros(0);disp('x(n)=');disp(x);disp('h(n)=');disp(h);subplot(4,1,1);stem(x);title('Signal One : x(n) ');subplot(4,1,2);stem(h);title('Signal Two : h(n)');temp=0;for i=1:NH(i,1)=h(i);end;for i=2:N h=circshift(h, [0,1]); for j=1:N H(j,i)= h(j); end;end;disp('H =>>');disp(H);for i=1:N for j=1:N temp=temp+H(i,j)*x(j); end; y(i)=temp; temp=0;end;disp('Circular Convolution : y(m)==>');disp(y);subplot(4,1,3);stem(y);title('Circular Convolution: y(m)'); Output:
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