16 lines
586 B
Text
16 lines
586 B
Text
% Matrix multiplication is a built-in with the S-Lang octothorpe operator.
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variable A = [1,2,3,4,5,6];
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reshape(A, [2,3]); % reshape 1d array to 2 rows, 3 columns
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printf("A is %S\n", A); print(A);
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variable B = [1:6]; % index range, 1 to 6 same as above in A
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reshape(B, [3,2]); % reshape to 3 rows, 2 columns
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printf("\nB is %S\n", B); print(B);
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printf("\nA # B is %S\n", A#B);
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print(A#B);
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% Multiply binary operator is different, dimensions need to be equal
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reshape(B, [2,3]);
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printf("\nA * B is %S (with reshaped B to match A)\n", A*B);
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print(A*B);
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