Tips and tricks: Difference between revisions
→Real matrix operations
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<tr><td>column vector</td><td><code>A(:)</code></td><td><code>ColumnVector(A.reshape (dim_vector(A.length())))</code></td></tr> | <tr><td>column vector</td><td><code>A(:)</code></td><td><code>ColumnVector(A.reshape (dim_vector(A.length())))</code></td></tr> | ||
<tr><td>row vector</td><td><code>A(:)'</code></td><td><code>RowVector(A.reshape (dim_vector(A.length())))</code></td></tr> | <tr><td>row vector</td><td><code>A(:)'</code></td><td><code>RowVector(A.reshape (dim_vector(A.length())))</code></td></tr> | ||
<tr><td>check for Inf or | <tr><td>check for Inf or NaN</td><td><code>any(~isfinite(A))</code></td><td><code>A.any_element_is_inf_or_nan()</code></td></tr> | ||
<tr><td>stack two matrices vertically</td><td><code>A=[B;C]</code></td><td><code>B.stack(C)</code></td></tr> | <tr><td>stack two matrices vertically</td><td><code>A=[B;C]</code></td><td><code>B.stack(C)</code></td></tr> | ||
<tr><td>uniform random matrix</td><td><code>rand(a,b)</code></td><td><code>octave_rand::distribution("uniform"); octave_rand::matrix(a,b)</code></td></tr> | <tr><td>uniform random matrix</td><td><code>rand(a,b)</code></td><td><code>octave_rand::distribution("uniform"); octave_rand::matrix(a,b)</code></td></tr> | ||