Methods for Defining Arrays
Define the matrix row and column index variables using range variables.
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Keyboard Sequence
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Result
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|---|---|
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r:0..3
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c:0..3
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X[r,c:r^2+c/2
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X=
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Use the index operator to set the bottommost corner element to a specific value. Unspecified elements are set to zero.
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Keyboard Sequence
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Result
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|---|---|
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M[4,5:1
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M=
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Use the index operator to define specific elements in a row vector.
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Keyboard Sequence
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Result
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|---|---|
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v:[0Shift+Space1Shift+Space2
Shift+Space3Shift+Space4
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v[1:1+3i
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v[3:”test
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v=
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Use the index operator to define specific elements in a column vector.
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Keyboard Sequence
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Result
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|---|---|
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u:[0Shift+Enter1Shift+Enter2
Shift+Enter3Shift+Enter4
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u[1:1+3i
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u[3:”test
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u=
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Use the identity function to create a square matrix and set its diagonal elements to 1.
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Keyboard Sequence
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Result
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|---|---|
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identity(5=
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