Mercurial > repos > public > sbplib
annotate +blockmatrix/zero.m @ 1037:2d7ba44340d0 feature/burgers1d
Pass scheme specific parameters as cell array. This will enabale constructDiffOps to be more general. In addition, allow for schemes returning function handles as diffOps, which is currently how non-linear schemes such as Burgers1d are implemented.
author | Vidar Stiernström <vidar.stiernstrom@it.uu.se> |
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date | Fri, 18 Jan 2019 09:02:02 +0100 |
parents | a5f1b0267dba |
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d521e17f72b6
blockmatrix: Added function to create zero blockmatrices.
Jonatan Werpers <jonatan@werpers.com>
parents:
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1 % Creates a block matrix according to the division with zeros everywhere. |
d521e17f72b6
blockmatrix: Added function to create zero blockmatrices.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
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2 function bm = zero(div) |
579
a5f1b0267dba
Be less strict about what is considered a block matrix
Jonatan Werpers <jonatan@werpers.com>
parents:
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3 if ~blockmatrix.isDivision(div) |
214
f0f4ca946068
blockmatrix: added a test to make sure a zero matrix is a blockmatrix. Also added input parameter checking to zero()
Jonatan Werpers <jonatan@werpers.com>
parents:
207
diff
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4 error('div is not a valid division'); |
f0f4ca946068
blockmatrix: added a test to make sure a zero matrix is a blockmatrix. Also added input parameter checking to zero()
Jonatan Werpers <jonatan@werpers.com>
parents:
207
diff
changeset
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5 end |
f0f4ca946068
blockmatrix: added a test to make sure a zero matrix is a blockmatrix. Also added input parameter checking to zero()
Jonatan Werpers <jonatan@werpers.com>
parents:
207
diff
changeset
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6 |
207
d521e17f72b6
blockmatrix: Added function to create zero blockmatrices.
Jonatan Werpers <jonatan@werpers.com>
parents:
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changeset
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7 n = div{1}; |
d521e17f72b6
blockmatrix: Added function to create zero blockmatrices.
Jonatan Werpers <jonatan@werpers.com>
parents:
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8 m = div{2}; |
d521e17f72b6
blockmatrix: Added function to create zero blockmatrices.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
|
9 |
d521e17f72b6
blockmatrix: Added function to create zero blockmatrices.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
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10 N = length(n); |
d521e17f72b6
blockmatrix: Added function to create zero blockmatrices.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
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11 M = length(m); |
d521e17f72b6
blockmatrix: Added function to create zero blockmatrices.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
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12 |
d521e17f72b6
blockmatrix: Added function to create zero blockmatrices.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
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13 bm = cell(N,M); |
d521e17f72b6
blockmatrix: Added function to create zero blockmatrices.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
|
14 |
d521e17f72b6
blockmatrix: Added function to create zero blockmatrices.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
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15 for i = 1:N |
d521e17f72b6
blockmatrix: Added function to create zero blockmatrices.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
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16 for j = 1:M |
d521e17f72b6
blockmatrix: Added function to create zero blockmatrices.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
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17 bm{i,j} = sparse(n(i),m(j)); |
d521e17f72b6
blockmatrix: Added function to create zero blockmatrices.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
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18 end |
d521e17f72b6
blockmatrix: Added function to create zero blockmatrices.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
|
19 end |
d521e17f72b6
blockmatrix: Added function to create zero blockmatrices.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
|
20 end |