S = sparse(A) converts a full matrix into sparse form by squeezing out any zero elements. If a matrix contains many zeros, converting the matrix to sparse storage saves memory. S = sparse(m,n) generates an m-by-n all zero sparse matrix.
Executive Order 9066 was a United States presidential executive order signed and issued during World War II by the United States President Franklin D. Roosevelt on February 19, 1942, authorizing the Secretary of War to prescribe certain areas as military zones.
The West Coast was divided into military zones, and on February 19, 1942, President Franklin D. Roosevelt issued Executive Order 9066 authorizing exclusion. Congress then implemented the order on March 21, 1942, by passing Public Law 503.xecutive Order 9066: Resulting in the Relocation of Japanese (1942). Citation: Executive Order 9066, February 19, 1942; General Records of the Unites States Government; Record Group 11; National Archives.