<< sqrtm

Linear algebra

svd >>

---

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

---

Version	Description
1.0.0	initial version

Author

---

Allan CORNET