I just started coding earlier this year, and I am trying to figure out when to use certain functions. I currently have a series of 9 if/else statements, and I was wondering if it would be more efficient or if there is a reason to use switch/case over my current if else statements. P is a 9x9x9 3D matrix and C[] is a 3×3 matrix
if true % code
if (1<= i && i<=3) && (1<= j && j<=3) f = ismember(P(j,k,i),C1); elseif (1<= i && i<=3) && (4<= j && j<=6) f = ismember(P(j,k,i),C2); elseif (1<= i && i<=3) && (7<= j && j<=9) f = ismember(P(j,k,i),C3); elseif (4<= i && i<=6) && (1<= j && j<=3) f = ismember(P(j,k,i),C4); elseif (4<= i && i<=6) && (4<= j && j<=6) f = ismember(P(j,k,i),C5); elseif (4<= i && i<=6) && (7<= j && j<=9) f = ismember(P(j,k,i),C6); elseif (7<= i && i<=9) && (1<= j && j<=3) f = ismember(P(j,k,i),C7); elseif (7<= i && i<=9) && (4<= j && j<=6) f = ismember(P(j,k,i),C8); else f = ismember(P(j,k,i),C9); end if f == 1 P(j,k,i) = 0;end
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