subspace

Angle between two subspaces.

Syntax

  • T = subspace(A, B)

Input argument

  • A - vector or matrix (real or single)

  • B - vector or matrix (real or single)

Output argument

  • T - scalar: angle.

Description

T = subspace(A, B) finds the angle between two subspaces specified by the columns of A and B.

Example

M = [1   1   1   1   1   1   1   1;
1  -1   1  -1   1  -1   1  -1;
1   1  -1  -1   1   1  -1  -1;
1  -1  -1   1   1  -1  -1   1;
1   1   1   1  -1  -1  -1  -1;
1  -1   1  -1  -1   1  -1   1;
1   1  -1  -1  -1  -1   1   1;
1  -1  -1   1  -1   1   1  -1];
A = M(:, 2:4);
B = M(:, 5:8);
R = subspace(A, B)

See also

orth.

History

Author

Allan CORNET

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