{"id":40,"date":"2024-09-10T07:28:20","date_gmt":"2024-09-09T23:28:20","guid":{"rendered":"http:\/\/chaixiangyu.cn\/?p=40"},"modified":"2024-09-11T21:40:14","modified_gmt":"2024-09-11T13:40:14","slug":"armadillo-api%e7%9a%84%e8%af%a6%e7%bb%86%e6%b8%85%e5%8d%95%e5%8f%8a%e5%8a%9f%e8%83%bd%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/chaixiangyu.cn\/?p=40","title":{"rendered":"Armadillo API\u7684\u8be6\u7ec6\u6e05\u5355\u53ca\u529f\u80fd\u4ecb\u7ecd"},"content":{"rendered":"\n

@toc<\/a><\/p>\n\n\n\n

\u77e9\u9635\u7c7b\u3001\u5411\u91cf\u7c7b\u3001\u7acb\u65b9\u4f53\u7c7b\u548c\u5b57\u6bb5\u7c7b<\/h1>\n\n\n\n
\u51fd\u6570\u540d<\/th>\u529f\u80fd\u4ecb\u7ecd<\/th><\/tr><\/thead>
Mat, mat, cx_mat<\/td>\u5bc6\u96c6\u77e9\u9635\u7c7b<\/td><\/tr>
Col, colvec, vec<\/td>\u5bc6\u96c6\u5217\u5411\u91cf\u7c7b<\/td><\/tr>
Row, rowvec<\/td>\u5bc6\u96c6\u884c\u5411\u91cf\u7c7b<\/td><\/tr>
<\/td><\/td><\/tr>
Cube, cube, cx_cube<\/td>\u5bc6\u96c6\u7acb\u65b9\u4f53\u7c7b\uff08\u201c3D \u77e9\u9635\u201d\uff09<\/td><\/tr>
field<\/object><\/td>\u7c7b\uff0c\u7528\u4e8e\u5728\u7c7b\u4f3c\u77e9\u9635\u6216\u7c7b\u4f3c\u7acb\u65b9\u4f53\u7684\u5e03\u5c40\u4e2d\u5b58\u50a8\u4efb\u610f\u5bf9\u8c61<\/td><\/tr>
SpMat, sp_mat, sp_cx_mat<\/td>\u7a00\u758f\u77e9\u9635\u7c7b<\/td><\/tr>
operators<\/td>+ \u2212 * % \/ == != <= >= < > &&<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u6210\u5458\u51fd\u6570\u548c\u53d8\u91cf<\/h1>\n\n\n\n
\u51fd\u6570\u540d<\/th>\u529f\u80fd\u4ecb\u7ecd<\/th><\/tr><\/thead>
attributes<\/td>.n_rows\u3001.n_cols\u3001.n_elem\u3001.n_slices\u2026\u2026<\/td><\/tr>
element access<\/td>\u901a\u8fc7 \uff08\uff09\u3001[] \u548c .at\uff08\uff09 \u8bbf\u95ee\u5143\u7d20\/\u5bf9\u8c61<\/td><\/tr>
element initialisation<\/td>\u901a\u8fc7\u521d\u59cb\u503c\u5217\u8868\u8bbe\u7f6e\u5143\u7d20<\/td><\/tr>
.zeros<\/td>\u5c06\u6240\u6709\u5143\u7d20\u8bbe\u7f6e\u4e3a\u96f6<\/td><\/tr>
.ones<\/td>\u5c06\u6240\u6709\u5143\u7d20\u8bbe\u7f6e\u4e3a\u4e00\u4e2a<\/td><\/tr>
.eye<\/td>\u5c06\u6cbf\u4e3b\u5bf9\u89d2\u7ebf\u7684\u5143\u7d20\u8bbe\u7f6e\u4e3a 1\uff0c\u5c06\u975e\u5bf9\u89d2\u7ebf\u5143\u7d20\u8bbe\u7f6e\u4e3a\u96f6<\/td><\/tr>
.randu \/ .randn<\/td>\u5c06\u6240\u6709\u5143\u7d20\u8bbe\u7f6e\u4e3a\u968f\u673a\u503c<\/td><\/tr>
.fill<\/td>\u5c06\u6240\u6709\u5143\u7d20\u8bbe\u7f6e\u4e3a\u6307\u5b9a\u503c<\/td><\/tr>
.imbue<\/td>\u4f7f\u7528\u51fd\u5b50\u6216 lambda \u51fd\u6570\u63d0\u4f9b\u7684\u503c\u586b\u5145\uff08\u586b\u5145\uff09<\/td><\/tr>
.clean<\/td>\u5c06\u9608\u503c\u4ee5\u4e0b\u7684\u5143\u7d20\u66ff\u6362\u4e3a\u96f6<\/td><\/tr>
.replace<\/td>\u5c06\u7279\u5b9a\u5143\u7d20\u66ff\u6362\u4e3a\u65b0\u503c<\/td><\/tr>
.clamp<\/td>\u5c06\u503c\u9650\u5236\u5230\u4e0b\u9650\u548c\u4e0a\u9650<\/td><\/tr>
.transform<\/td>\u901a\u8fc7 Functor \u6216 Lambda \u51fd\u6570\u8f6c\u6362\u6bcf\u4e2a\u5143\u7d20<\/td><\/tr>
.for_each<\/td>\u5c06\u51fd\u5b50\u6216 lambda \u51fd\u6570\u5e94\u7528\u4e8e\u6bcf\u4e2a\u5143\u7d20<\/td><\/tr>
.set_size<\/td>\u5728\u4e0d\u4fdd\u7559\u5143\u7d20\u7684\u60c5\u51b5\u4e0b\u66f4\u6539\u5927\u5c0f\uff08\u5feb\u901f\uff09<\/td><\/tr>
.reshape<\/td>\u5728\u4fdd\u7559\u5143\u7d20\u7684\u540c\u65f6\u66f4\u6539\u5927\u5c0f<\/td><\/tr>
.resize<\/td>\u5728\u4fdd\u7559\u5143\u7d20\u548c\u4fdd\u7559\u5e03\u5c40\u7684\u540c\u65f6\u66f4\u6539\u5927\u5c0f<\/td><\/tr>
.copy_size<\/td>\u5c06\u5927\u5c0f\u66f4\u6539\u4e3a\u4e0e\u7ed9\u5b9a\u5bf9\u8c61\u76f8\u540c<\/td><\/tr>
.reset<\/td>\u5c06\u5927\u5c0f\u66f4\u6539\u4e3a\u7a7a<\/td><\/tr>
submatrix views<\/td>\u5bf9\u8fde\u7eed\u548c\u975e\u8fde\u7eed\u5b50\u77e9\u9635\u7684\u8bfb\/\u5199\u8bbf\u95ee<\/td><\/tr>
subcube views<\/td>\u5bf9\u8fde\u7eed\u548c\u975e\u8fde\u7eed\u5b50\u591a\u7ef4\u6570\u636e\u96c6\u7684\u8bfb\/\u5199\u8bbf\u95ee<\/td><\/tr>
subfield views<\/td>\u5bf9\u8fde\u7eed\u5b50\u5b57\u6bb5\u7684\u8bfb\/\u5199\u8bbf\u95ee\u6743\u9650<\/td><\/tr>
.diag<\/td>\u5bf9\u77e9\u9635\u5bf9\u89d2\u7ebf\u7684\u8bfb\/\u5199\u8bbf\u95ee<\/td><\/tr>
.each_col \/ .each_row<\/td>\u5e94\u7528\u4e8e\u77e9\u9635\u7684\u6bcf\u4e00\u5217\/\u6bcf\u884c\u7684\u5411\u91cf\u8fd0\u7b97\uff08\u53c8\u540d\u201c\u5e7f\u64ad\u201d\uff09<\/td><\/tr>
.each_slice<\/td>\u5e94\u7528\u4e8e\u6bcf\u4e2a\u7acb\u65b9\u4f53\u5207\u7247\u7684\u77e9\u9635\u64cd\u4f5c\uff08\u53c8\u540d\u201c\u5e7f\u64ad\u201d\uff09<\/td><\/tr>
.set_imag \/ .set_real<\/td>\u8bbe\u7f6e\u865a\u90e8\/\u5b9e\u90e8<\/td><\/tr>
.insert_rows\u2009\/\u2009cols\u2009\/\u2009slices<\/td>\u5728\u6307\u5b9a\u7684\u884c\/\u5217\/\u5207\u7247\u5904\u63d2\u5165\u5411\u91cf\/\u77e9\u9635\/\u7acb\u65b9\u4f53<\/td><\/tr>
.shed_rows\u2009\/\u2009cols\u2009\/\u2009slices<\/td>\u5220\u9664\u6307\u5b9a\u7684\u884c\/\u5217\/\u5207\u7247<\/td><\/tr>
.swap_rows\u2009\/\u2009cols<\/td>\u4ea4\u6362\u6307\u5b9a\u7684\u884c\u6216\u5217<\/td><\/tr>
.swap<\/td>\u4e0e\u7ed9\u5b9a\u5bf9\u8c61\u4ea4\u6362\u5185\u5bb9<\/td><\/tr>
.memptr<\/td>\u6307\u5411\u5185\u5b58\u7684\u539f\u59cb\u6307\u9488<\/td><\/tr>
.colptr<\/td>\u6307\u5411\u6307\u5b9a\u5217\u4f7f\u7528\u7684\u5185\u5b58\u7684\u539f\u59cb\u6307\u9488<\/td><\/tr>
iterators (matrices)<\/td>\u5bc6\u96c6\u77e9\u9635\u548c\u5411\u91cf\u7684\u8fed\u4ee3\u5668\u548c\u5173\u8054\u6210\u5458\u51fd\u6570<\/td><\/tr>
iterators (cubes)<\/td>\u591a\u7ef4\u6570\u636e\u96c6\u7684\u8fed\u4ee3\u5668\u548c\u5173\u8054\u7684\u6210\u5458\u51fd\u6570<\/td><\/tr>
iterators (sparse matrices)<\/td>\u7a00\u758f\u77e9\u9635\u7684\u8fed\u4ee3\u5668\u548c\u5173\u8054\u6210\u5458\u51fd\u6570<\/td><\/tr>
iterators (submatrices)<\/td>\u5b50\u77e9\u9635\u548c\u5b50\u7acb\u65b9\u4f53\u7684\u8fed\u4ee3\u5668\u548c\u5173\u8054\u6210\u5458\u51fd\u6570<\/td><\/tr>
compat.\u2009container\u2009functions<\/td>\u517c\u5bb9\u6027\u5bb9\u5668\u51fd\u6570<\/td><\/tr>
.as_col \/ .as_row<\/td>\u5c06\u6241\u5e73\u5316\u77e9\u9635\u4f5c\u4e3a\u5217\u6216\u884c\u5411\u91cf\u8fd4\u56de<\/td><\/tr>
.col_as_mat \/ .row_as_mat<\/td>\u8fd4\u56de\u591a\u7ef4\u6570\u636e\u96c6\u5217\u6216\u591a\u7ef4\u6570\u636e\u96c6\u884c\u7684\u77e9\u9635\u8868\u793a\u5f62\u5f0f<\/td><\/tr>
.t \/ .st<\/td>\u8fd4\u56de\u77e9\u9635\u8f6c\u7f6e<\/td><\/tr>
.i<\/td>\u8fd4\u56de\u65b9\u9635\u7684\u5012\u6570<\/td><\/tr>
.min \/ .max<\/td>\u8fd4\u56de\u6781\u503c<\/td><\/tr>
.index_min \/ .index_max<\/td>\u6781\u503c\u7684\u8fd4\u56de\u6307\u6570<\/td><\/tr>
.eval<\/td>\u5ef6\u8fdf\u8868\u8fbe\u7684\u529b\u8bc4\u4f30<\/td><\/tr>
.in_range<\/td>\u68c0\u67e5\u7ed9\u5b9a\u7684\u4f4d\u7f6e\u6216\u8de8\u5ea6\u662f\u5426\u6709\u6548<\/td><\/tr>
.is_empty<\/td>\u68c0\u67e5\u5bf9\u8c61\u662f\u5426\u4e3a\u7a7a<\/td><\/tr>
.is_vec<\/td>\u68c0\u67e5\u77e9\u9635\u662f\u5426\u4e3a\u5411\u91cf<\/td><\/tr>
.is_sorted<\/td>\u68c0\u67e5\u5411\u91cf\u6216\u77e9\u9635\u662f\u5426\u6392\u5e8f<\/td><\/tr>
.is_trimatu \/ .is_trimatl<\/td>\u68c0\u67e5\u77e9\u9635\u662f\u5426\u4e3a\u4e0a\/\u4e0b\u4e09\u89d2\u5f62<\/td><\/tr>
.is_diagmat<\/td>\u68c0\u67e5\u77e9\u9635\u662f\u5426\u5bf9\u89d2\u7ebf<\/td><\/tr>
.is_square<\/td>\u68c0\u67e5\u77e9\u9635\u662f\u5426\u4e3a\u6b63\u65b9\u5f62<\/td><\/tr>
.is_symmetric<\/td>\u68c0\u67e5\u77e9\u9635\u662f\u5426\u5bf9\u79f0<\/td><\/tr>
.is_hermitian<\/td>\u68c0\u67e5\u77e9\u9635\u662f\u5426\u4e3a\u5384\u7c73\u7279<\/td><\/tr>
.is_sympd<\/td>\u68c0\u67e5\u77e9\u9635\u662f\u5426\u5bf9\u79f0\/\u5384\u7c73\u7279\u6b63\u5b9a<\/td><\/tr>
.is_zero<\/td>\u68c0\u67e5\u662f\u5426\u6240\u6709\u5143\u7d20\u90fd\u4e3a\u96f6<\/td><\/tr>
.is_finite<\/td>\u68c0\u67e5\u6240\u6709\u5143\u7d20\u662f\u5426\u90fd\u662f\u6709\u9650\u7684<\/td><\/tr>
.has_inf<\/td>\u68c0\u67e5\u662f\u5426\u6709\u4efb\u4f55\u5143\u7d20\u662f\u00b1\u65e0\u7a77\u5927<\/td><\/tr>
.has_nan<\/td>\u68c0\u67e5\u662f\u5426\u6709\u4efb\u4f55\u5143\u7d20\u662f NaN<\/td><\/tr>
.print<\/td>\u5c06\u5bf9\u8c61\u6253\u5370\u5230 std\uff1a\uff1acout \u6216\u7528\u6237\u6307\u5b9a\u7684\u6d41<\/td><\/tr>
.raw_print<\/td>\u4e0d\u5e26\u683c\u5f0f\u7684\u6253\u5370\u5bf9\u8c61<\/td><\/tr>
.brief_print<\/td>\u4ee5\u7f29\u77ed\/\u5220\u8282\u5f62\u5f0f\u6253\u5370\u5bf9\u8c61<\/td><\/tr>
.save\/.load (matrices\u2009&\u2009cubes)<\/td>\u4fdd\u5b58\/\u52a0\u8f7d\u6587\u4ef6\u6216\u6d41\u4e2d\u7684\u77e9\u9635\u548c\u591a\u7ef4\u6570\u636e\u96c6<\/td><\/tr>
.save\/.load (fields)<\/td>\u4fdd\u5b58\/\u52a0\u8f7d\u6587\u4ef6\u6216\u6d41\u4e2d\u7684\u5b57\u6bb5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u751f\u6210\u7684\u5411\u91cf\/\u77e9\u9635\/\u7acb\u65b9\u4f53<\/h1>\n\n\n\n
\u51fd\u6570\u540d<\/th>\u529f\u80fd\u4ecb\u7ecd<\/th><\/tr><\/thead>
linspace<\/td>\u751f\u6210\u5177\u6709\u7ebf\u6027\u95f4\u8ddd\u5143\u7d20\u7684\u5411\u91cf<\/td><\/tr>
logspace<\/td>\u751f\u6210\u5177\u6709\u5bf9\u6570\u95f4\u9694\u5143\u7d20\u7684\u5411\u91cf<\/td><\/tr>
regspace<\/td>\u751f\u6210\u5177\u6709\u89c4\u5219\u95f4\u9694\u5143\u7d20\u7684\u77e2\u91cf<\/td><\/tr>
randperm<\/td>\u751f\u6210\u5177\u6709\u6574\u6570\u5e8f\u5217\u968f\u673a\u6392\u5217\u7684\u5411\u91cf<\/td><\/tr>
eye<\/td>\u751f\u6210\u8eab\u4efd\u77e9\u9635<\/td><\/tr>
ones<\/td>\u751f\u6210\u5145\u6ee1 ones \u7684\u5bf9\u8c61<\/td><\/tr>
zeros<\/td>\u751f\u6210\u5145\u6ee1\u96f6\u7684\u5bf9\u8c61<\/td><\/tr>
randu<\/td>\u751f\u6210\u5177\u6709\u968f\u673a\u503c\u7684\u5bf9\u8c61\uff08\u5747\u5300\u5206\u5e03\uff09<\/td><\/tr>
randn<\/td>\u751f\u6210\u5177\u6709\u968f\u673a\u503c\uff08\u6b63\u6001\u5206\u5e03\uff09\u7684\u5bf9\u8c61<\/td><\/tr>
randg<\/td>\u751f\u6210\u5177\u6709\u968f\u673a\u503c\u7684\u5bf9\u8c61\uff08\u4f3d\u9a6c\u5206\u5e03\uff09<\/td><\/tr>
randi<\/td>\u5728\u6307\u5b9a\u65f6\u95f4\u95f4\u9694\u5185\u751f\u6210\u5177\u6709\u968f\u673a\u6574\u6570\u503c\u7684\u5bf9\u8c61<\/td><\/tr>
speye<\/td>\u751f\u6210\u7a00\u758f\u5355\u4f4d\u77e9\u9635<\/td><\/tr>
spones<\/td>\u751f\u6210\u975e\u96f6\u5143\u7d20\u8bbe\u7f6e\u4e3a 1 \u7684\u7a00\u758f\u77e9\u9635<\/td><\/tr>
sprandu \/ sprandn<\/td>\u751f\u6210\u5c06\u975e\u96f6\u5143\u7d20\u8bbe\u7f6e\u4e3a\u968f\u673a\u503c\u7684\u7a00\u758f\u77e9\u9635<\/td><\/tr>
toeplitz<\/td>\u751f\u6210 Toeplitz \u77e9\u9635<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u5411\u91cf\/\u77e9\u9635\/\u7acb\u65b9\u4f53\u7684\u51fd\u6570<\/h1>\n\n\n\n
\u51fd\u6570\u540d<\/th>\u529f\u80fd\u4ecb\u7ecd<\/th><\/tr><\/thead>
abs<\/td>\u83b7\u53d6\u6bcf\u4e2a\u5143\u7d20\u7684\u5927\u5c0f<\/td><\/tr>
accu<\/td>\u7d2f\u79ef\uff08\u6c42\u548c\uff09\u6240\u6709\u5143\u7d20<\/td><\/tr>
affmul<\/td>\u4eff\u5c04\u77e9\u9635\u4e58\u6cd5<\/td><\/tr>
all<\/td>\u68c0\u67e5\u6240\u6709\u5143\u7d20\u662f\u5426\u90fd\u4e3a\u975e\u96f6\uff0c\u6216\u6ee1\u8db3\u5173\u7cfb\u6761\u4ef6<\/td><\/tr>
any<\/td>\u68c0\u67e5\u4efb\u4f55\u5143\u7d20\u662f\u5426\u4e3a\u975e\u96f6\uff0c\u6216\u662f\u5426\u6ee1\u8db3\u5173\u7cfb\u6761\u4ef6<\/td><\/tr>
approx_equal<\/td>\u8fd1\u4f3c\u76f8\u7b49<\/td><\/tr>
arg<\/td>\u6bcf\u4e2a\u5143\u4ef6\u7684\u76f8\u4f4d\u89d2<\/td><\/tr>
as_scalar<\/td>\u5c06 1×1 \u77e9\u9635\u8f6c\u6362\u4e3a\u7eaf\u6807\u91cf<\/td><\/tr>
clamp<\/td>\u6839\u636e\u7ed9\u5b9a\u7684\u9650\u503c\u83b7\u5f97\u5939\u7d27\u5143\u4ef6<\/td><\/tr>
cond<\/td>\u77e9\u9635\u7684\u6761\u4ef6\u6570<\/td><\/tr>
conj<\/td>\u83b7\u5f97\u6bcf\u4e2a\u5143\u7d20\u7684\u590d\u6570\u5171\u8f6d<\/td><\/tr>
conv_to<\/td>\u5728\u77e9\u9635\u7c7b\u578b\u4e4b\u95f4\u8f6c\u6362\/\u8f6c\u6362<\/td><\/tr>
cross<\/td>\u77e2\u79ef<\/td><\/tr>
cumsum<\/td>\u7d2f\u8ba1\u603b\u548c<\/td><\/tr>
cumprod<\/td>\u7d2f\u8ba1\u4ea7\u54c1<\/td><\/tr>
det<\/td>\u51b3\u5b9a\u56e0\u7d20<\/td><\/tr>
diagmat<\/td>\u4ece\u7ed9\u5b9a\u77e9\u9635\u6216\u5411\u91cf\u751f\u6210\u5bf9\u89d2\u77e9\u9635<\/td><\/tr>
diagvec<\/td>\u63d0\u53d6\u6307\u5b9a\u7684\u5bf9\u89d2\u7ebf<\/td><\/tr>
diags \/ spdiags<\/td>\u4ece\u7ed9\u5b9a\u7684\u5411\u91cf\u96c6\u751f\u6210\u6ce2\u6bb5\u77e9\u9635<\/td><\/tr>
diff<\/td>\u76f8\u90bb\u5143\u7d20\u4e4b\u95f4\u7684\u5dee\u5f02<\/td><\/tr>
dot \/ cdot \/ norm_dot<\/td>\u70b9\u4ea7\u54c1<\/td><\/tr>
eps<\/td>\u83b7\u53d6\u6bcf\u4e2a\u5143\u7d20\u5230\u4e0b\u4e00\u4e2a\u6700\u5927\u6d6e\u70b9\u8868\u793a\u7684\u8ddd\u79bb<\/td><\/tr>
expmat<\/td>\u77e9\u9635\u6307\u6570<\/td><\/tr>
expmat_sym<\/td>\u5bf9\u79f0\u77e9\u9635\u7684\u77e9\u9635\u6307\u6570<\/td><\/tr>
find<\/td>\u67e5\u627e\u975e\u96f6\u5143\u7d20\u6216\u6ee1\u8db3\u5173\u7cfb\u6761\u4ef6\u7684\u5143\u7d20\u7684\u7d22\u5f15<\/td><\/tr>
find_finite<\/td>\u67e5\u627e\u6709\u9650\u5143\u7684\u7d22\u5f15<\/td><\/tr>
find_nonfinite<\/td>\u67e5\u627e\u975e\u6709\u9650\u5143\u7684\u7d22\u5f15<\/td><\/tr>
find_nan<\/td>\u67e5\u627e NaN \u5143\u7d20\u7684\u7d22\u5f15<\/td><\/tr>
find_unique<\/td>\u67e5\u627e\u552f\u4e00\u5143\u7d20\u7684\u7d22\u5f15<\/td><\/tr>
fliplr \/ flipud<\/td>\u4ece\u5de6\u5411\u53f3\u6216\u5012\u7f6e\u7ffb\u8f6c\u77e9\u9635<\/td><\/tr>
imag \/ real<\/td>\u63d0\u53d6\u865a\u90e8\/\u5b9e\u90e8<\/td><\/tr>
ind2sub<\/td>\u5c06\u7ebf\u6027\u7d22\u5f15\u8f6c\u6362\u4e3a\u4e0b\u6807<\/td><\/tr>
index_min \/ index_max<\/td>\u6781\u503c\u6307\u6570<\/td><\/tr>
inplace_trans<\/td>\u5c31\u5730\u8f6c\u7f6e<\/td><\/tr>
intersect<\/td>\u5728\u4e24\u4e2a\u5411\u91cf\/\u77e9\u9635\u4e2d\u67e5\u627e\u516c\u5171\u5143\u7d20<\/td><\/tr>
join_rows \/ join_cols<\/td>\u77e9\u9635\u7684\u4e32\u8054<\/td><\/tr>
join_slices<\/td>\u7acb\u65b9\u4f53\u7684\u4e32\u8054<\/td><\/tr>
kron<\/td>Kronecker \u5f20\u91cf\u79ef<\/td><\/tr>
log_det<\/td>\u5bf9\u6570\u884c\u5217\u5f0f<\/td><\/tr>
log_det_sympd<\/td>\u5bf9\u79f0\u6b63\u5b9a\u77e9\u9635\u7684\u5bf9\u6570\u884c\u5217\u5f0f<\/td><\/tr>
logmat<\/td>\u77e9\u9635\u5bf9\u6570<\/td><\/tr>
logmat_sympd<\/td>\u5bf9\u79f0\u77e9\u9635\u7684\u77e9\u9635\u5bf9\u6570<\/td><\/tr>
min \/ max<\/td>\u8fd4\u56de\u6781\u503c<\/td><\/tr>
nonzeros<\/td>\u8fd4\u56de\u975e\u96f6\u503c<\/td><\/tr>
norm<\/td>\u5411\u91cf\u548c\u77e9\u9635\u7684\u5404\u79cd\u8303\u6570<\/td><\/tr>
norm2est<\/td>\u77e9\u9635 2 \u8303\u6570\u7684\u5feb\u901f\u4f30\u8ba1<\/td><\/tr>
normalise<\/td>\u5c06\u5411\u91cf\u5f52\u4e00\u5316\u4e3a\u5355\u4f4d p \u8303\u6570<\/td><\/tr>
pow<\/td>\u5143\u4ef6\u529f\u7387<\/td><\/tr>
powmat<\/td>\u77e9\u9635\u529f\u7387<\/td><\/tr>
prod<\/td>\u5143\u7d20\u7684\u4e58\u79ef<\/td><\/tr>
rank<\/td>\u77e9\u9635\u7684\u6392\u540d<\/td><\/tr>
rcond<\/td>\u5012\u6570\u6761\u4ef6\u6570<\/td><\/tr>
repelem<\/td>\u590d\u5236\u5143\u7d20<\/td><\/tr>
repmat<\/td>\u4ee5\u5757\u72b6\u65b9\u5f0f\u590d\u5236\u77e9\u9635<\/td><\/tr>
reshape<\/td>\u5728\u4fdd\u7559\u5143\u7d20\u7684\u540c\u65f6\u66f4\u6539\u5927\u5c0f<\/td><\/tr>
resize<\/td>\u5728\u4fdd\u7559\u5143\u7d20\u548c\u4fdd\u7559\u5e03\u5c40\u7684\u540c\u65f6\u66f4\u6539\u5927\u5c0f<\/td><\/tr>
reverse<\/td>\u5143\u7d20\u7684\u987a\u5e8f\u76f8\u53cd<\/td><\/tr>
roots<\/td>\u591a\u9879\u5f0f\u7684\u6839<\/td><\/tr>
shift<\/td>Shift \u5143\u7d20<\/td><\/tr>
shuffle<\/td>\u968f\u673a\u64ad\u653e\u5143\u7d20<\/td><\/tr>
size<\/td>\u83b7\u53d6\u7ed9\u5b9a\u5bf9\u8c61\u7684\u5c3a\u5bf8<\/td><\/tr>
sort<\/td>\u5bf9\u5143\u7d20\u8fdb\u884c\u6392\u5e8f<\/td><\/tr>
sort_index<\/td>\u63cf\u8ff0\u5143\u7d20\u6392\u5e8f\u987a\u5e8f\u7684\u5411\u91cf<\/td><\/tr>
sqrtmat<\/td>\u77e9\u9635\u7684\u5e73\u65b9\u6839<\/td><\/tr>
sqrtmat_sympd<\/td>\u5bf9\u79f0\u77e9\u9635\u7684\u5e73\u65b9\u6839<\/td><\/tr>
sum<\/td>\u5143\u7d20\u603b\u548c<\/td><\/tr>
sub2ind<\/td>\u5c06\u4e0b\u6807\u8f6c\u6362\u4e3a\u7ebf\u6027\u7d22\u5f15<\/td><\/tr>
symmatu \/ symmatl<\/td>\u4ece\u7ed9\u5b9a\u77e9\u9635\u751f\u6210\u5bf9\u79f0\u77e9\u9635<\/td><\/tr>
trace<\/td>\u5bf9\u89d2\u7ebf\u5143\u7d20\u7684\u603b\u548c<\/td><\/tr>
trans<\/td>\u77e9\u9635\u7684\u8f6c\u7f6e<\/td><\/tr>
trapz<\/td>\u68af\u5f62\u6570\u503c\u79ef\u5206<\/td><\/tr>
trimatu \/ trimatl<\/td>\u590d\u5236\u4e0a\/\u4e0b\u4e09\u89d2\u5f62\u96f6\u4ef6<\/td><\/tr>
trimatu_ind \/ trimatl_ind<\/td>\u83b7\u53d6\u4e0a\/\u4e0b\u4e09\u89d2\u5f62\u90e8\u5206\u7684\u5206\u5ea6<\/td><\/tr>
unique<\/td>\u8fd4\u56de\u552f\u4e00\u5143\u7d20<\/td><\/tr>
vecnorm<\/td>\u83b7\u53d6\u77e9\u9635\u4e2d\u6bcf\u4e00\u884c\u6216\u6bcf\u4e00\u5217\u7684\u5411\u91cf\u8303\u6570<\/td><\/tr>
vectorise<\/td>\u5c06\u77e9\u9635\u5c55\u5e73\u4e3a\u5411\u91cf<\/td><\/tr>
misc functions<\/td>\u5176\u4ed6\u5143\u7d20\u51fd\u6570\uff1aexp\u3001log\u3001sqrt\u3001round\u3001sign\u3001\u2026<\/td><\/tr>
trig functions<\/td>\u4e09\u89d2\u5143\u7d20\u51fd\u6570\uff1acos\u3001sin\u3001tan\u3001\u2026<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u5206\u89e3\u3001\u56e0\u5f0f\u5206\u89e3\u3001\u9006\u548c\u65b9\u7a0b\u6c42\u89e3\u5668\uff08\u5bc6\u96c6\u77e9\u9635\uff09<\/h1>\n\n\n\n
\u51fd\u6570\u540d<\/th>\u529f\u80fd\u4ecb\u7ecd<\/th><\/tr><\/thead>
chol<\/td>Cholesky \u5206\u89e3<\/td><\/tr>
eig_sym<\/td>\u81f4\u5bc6\u5bf9\u79f0\/\u5384\u7c73\u7279\u77e9\u9635\u7684\u7279\u5f81\u5206\u89e3<\/td><\/tr>
eig_gen<\/td>\u81f4\u5bc6\u4e00\u822c\u65b9\u9635\u7684\u7279\u5f81\u5206\u89e3<\/td><\/tr>
eig_pair<\/td>\u4e00\u5bf9\u4e00\u822c\u81f4\u5bc6\u65b9\u5f62\u77e9\u9635\u7684\u7279\u5f81\u5206\u89e3<\/td><\/tr>
hess<\/td>\u4e0a\u9ed1\u68ee\u5821\u5206\u89e3<\/td><\/tr>
inv<\/td>\u4e00\u822c\u65b9\u9635\u7684\u9006<\/td><\/tr>
inv_sympd<\/td>\u5bf9\u79f0\u6b63\u5b9a\u77e9\u9635\u7684\u9006<\/td><\/tr>
lu<\/td>\u4e0b-\u4e0a\u5206\u89e3<\/td><\/tr>
null<\/td>\u96f6\u7a7a\u95f4\u7684\u6b63\u4ea4\u57fa<\/td><\/tr>
orth<\/td>\u8303\u56f4\u7a7a\u95f4\u7684\u6b63\u4ea4\u57fa<\/td><\/tr>
pinv<\/td>\u4f2a\u9006\/\u5e7f\u4e49\u9006<\/td><\/tr>
qr<\/td>QR\u5206\u89e3<\/td><\/tr>
qr_econ<\/td>\u7ecf\u6d4e\u7684QR\u5206\u89e3<\/td><\/tr>
qz<\/td>\u5e7f\u4e49\u8212\u5c14\u5206\u89e3<\/td><\/tr>
schur<\/td>Schur \u5206\u89e3<\/td><\/tr>
solve<\/td>\u6c42\u89e3\u7ebf\u6027\u65b9\u7a0b\u7ec4<\/td><\/tr>
svd<\/td>\u5947\u5f02\u503c\u5206\u89e3<\/td><\/tr>
svd_econ<\/td>\u7ecf\u6d4e\u5947\u5f02\u503c\u5206\u89e3<\/td><\/tr>
syl<\/td>\u897f\u5c14\u7ef4\u65af\u7279\u65b9\u7a0b\u6c42\u89e3\u5668<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u5206\u89e3\u3001\u56e0\u5f0f\u5206\u89e3\u548c\u65b9\u7a0b\u6c42\u89e3\u5668\uff08\u7a00\u758f\u77e9\u9635\uff09<\/h1>\n\n\n\n
\u51fd\u6570\u540d<\/th>\u529f\u80fd\u4ecb\u7ecd<\/th><\/tr><\/thead>
eigs_sym<\/td>\u7a00\u758f\u5bf9\u79f0\u5b9e\u77e9\u9635\u7684\u7279\u5f81\u503c\u548c\u7279\u5f81\u5411\u91cf\u6570\u91cf\u6709\u9650<\/td><\/tr>
eigs_gen<\/td>\u7a00\u758f\u4e00\u822c\u65b9\u9635\u7684\u7279\u5f81\u503c\u548c\u7279\u5f81\u5411\u91cf\u6570\u91cf\u6709\u9650<\/td><\/tr>
svds<\/td>\u622a\u65ad\u7684SVD\uff1a\u6709\u9650\u6570\u91cf\u7684\u5947\u5f02\u503c\u548c\u7a00\u758f\u77e9\u9635\u7684\u5947\u5f02\u5411\u91cf<\/td><\/tr>
spsolve<\/td>\u6c42\u89e3\u7a00\u758f\u7ebf\u6027\u65b9\u7a0b\u7ec4<\/td><\/tr>
spsolve_factoriser<\/td>\u7528\u4e8e\u6c42\u89e3\u7a00\u758f\u7ebf\u6027\u65b9\u7a0b\u7ec4\u7684\u56e0\u5f0f\u5206\u89e3\u5668<\/td><\/tr>
\u4fe1\u53f7\u548c\u56fe\u50cf\u5904\u7406<\/td><\/td><\/tr>
conv<\/td>\u4e00\u7ef4\u5377\u79ef<\/td><\/tr>
conv2<\/td>2D \u5377\u79ef<\/td><\/tr>
fft \/ ifft<\/td>\u4e00\u7ef4\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362\u53ca\u5176\u9006\u53d8\u6362<\/td><\/tr>
fft2 \/ ifft2<\/td>\u4e8c\u7ef4\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362\u53ca\u5176\u9006\u53d8\u6362<\/td><\/tr>
interp1<\/td>\u4e00\u7ef4\u63d2\u503c<\/td><\/tr>
interp2<\/td>2D \u63d2\u503c<\/td><\/tr>
polyfit<\/td>\u6c42\u591a\u9879\u5f0f\u7cfb\u6570\u8fdb\u884c\u6570\u636e\u62df\u5408<\/td><\/tr>
polyval<\/td>\u8ba1\u7b97\u591a\u9879\u5f0f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u7edf\u8ba1\u4e0e\u805a\u7c7b<\/h1>\n\n\n\n
\u51fd\u6570\u540d<\/th>\u529f\u80fd\u4ecb\u7ecd<\/th><\/tr><\/thead>
stats functions<\/td>\u5747\u503c\u3001\u4e2d\u4f4d\u6570\u3001\u6807\u51c6\u5dee\u3001\u65b9\u5dee<\/td><\/tr>
cov<\/td>\u534f\u65b9\u5dee<\/td><\/tr>
cor<\/td>\u76f8\u5173<\/td><\/tr>
hist<\/td>\u8ba1\u6570\u76f4\u65b9\u56fe<\/td><\/tr>
histc<\/td>\u5177\u6709\u7528\u6237\u6307\u5b9a\u8fb9\u7684\u8ba1\u6570\u76f4\u65b9\u56fe<\/td><\/tr>
quantile<\/td>\u6570\u636e\u96c6\u7684\u5206\u4f4d\u6570<\/td><\/tr>
princomp<\/td>\u4e3b\u6210\u5206\u5206\u6790\uff08PCA\uff09<\/td><\/tr>
normpdf<\/td>\u6b63\u6001\u5206\u5e03\u7684\u6982\u7387\u5bc6\u5ea6\u51fd\u6570<\/td><\/tr>
log_normpdf<\/td>\u6b63\u6001\u5206\u5e03\u6982\u7387\u5bc6\u5ea6\u51fd\u6570\u7684\u5bf9\u6570\u7248\u672c<\/td><\/tr>
normcdf<\/td>\u6b63\u6001\u5206\u5e03\u7684\u7d2f\u79ef\u5206\u5e03\u51fd\u6570<\/td><\/tr>
mvnrnd<\/td>\u6765\u81ea\u591a\u5143\u6b63\u6001\u5206\u5e03\u7684\u968f\u673a\u5411\u91cf<\/td><\/tr>
chi2rnd<\/td>\u6765\u81ea\u5361\u65b9\u5206\u5e03\u7684\u968f\u673a\u6570<\/td><\/tr>
wishrnd<\/td>\u6765\u81ea Wishart \u5206\u5e03\u7684\u968f\u673a\u77e9\u9635<\/td><\/tr>
iwishrnd<\/td>\u6765\u81ea\u9006 Wishart \u5206\u5e03\u7684\u968f\u673a\u77e9\u9635<\/td><\/tr>
running_stat<\/td>\u8fd0\u884c\u6807\u91cf\u7edf\u8ba1\uff08\u4e00\u7ef4\u8fc7\u7a0b\/\u4fe1\u53f7\uff09<\/td><\/tr>
running_stat_vec<\/td>\u8fd0\u884c\u5411\u91cf\u7edf\u8ba1\uff08\u591a\u7ef4\u8fc7\u7a0b\/\u4fe1\u53f7\uff09<\/td><\/tr>
kmeans<\/td>\u5c06\u6570\u636e\u805a\u7c7b\u5230\u4e0d\u76f8\u4ea4\u7684\u96c6\u5408\u4e2d<\/td><\/tr>
gmm_diag\/gmm_full<\/td>\u57fa\u4e8e\u9ad8\u65af\u6df7\u5408\u6a21\u578b\u7684\u6982\u7387\u805a\u7c7b\u548c\u4f3c\u7136\u8ba1\u7b97<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u6742\u9879<\/h1>\n\n\n\n
\u51fd\u6570\u540d<\/th>\u529f\u80fd\u4ecb\u7ecd<\/th><\/tr><\/thead>
constants<\/td>pi\u3001inf\u3001NaN\u3001eps\u3001\u5149\u901f\u2026\u2026<\/td><\/tr>
wall_clock<\/td>\u7528\u4e8e\u6d4b\u91cf\u7ecf\u8fc7\u79d2\u6570\u7684\u8ba1\u65f6\u5668<\/td><\/tr>
RNG seed setting<\/td>\u7528\u4e8e\u66f4\u6539 RNG \u79cd\u5b50\u7684\u51fd\u6570<\/td><\/tr>
output streams<\/td>\u7528\u4e8e\u6253\u5370\u8b66\u544a\u548c\u9519\u8bef\u7684\u6d41<\/td><\/tr>
uword \/ sword<\/td>\u65e0\u7b26\u53f7\u6574\u6570\u548c\u6709\u7b26\u53f7\u6574\u6570\u7684\u7b80\u5199<\/td><\/tr>
cx_double \/ cx_float<\/td>std\uff1a\uff1acomplex \u548c std\uff1a\uff1acomplex<\/td><\/tr>
Matlab\/Armadillo syntax differences<\/td>Matlab \u8bed\u6cd5\u548c\u6982\u5ff5\u4e0a\u5bf9\u5e94\u7684 Armadillo \u8bed\u6cd5\u7684\u793a\u4f8b<\/td><\/tr>
example program<\/td>\u7b80\u77ed\u7684\u793a\u4f8b\u7a0b\u5e8f<\/td><\/tr>
config.hpp<\/td>\u914d\u7f6e\u9009\u9879<\/td><\/tr>
API additions<\/td>API \u7a33\u5b9a\u6027\u548c API \u6dfb\u52a0\u5217\u8868<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"

@toc \u77e9\u9635\u7c7b\u3001\u5411\u91cf\u7c7b\u3001\u7acb\u65b9\u4f53\u7c7b\u548c\u5b57\u6bb5\u7c7b \u51fd\u6570\u540d \u529f\u80fd\u4ecb\u7ecd Mat, mat, cx_mat \u5bc6\u96c6\u77e9\u9635\u7c7b C […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-40","post","type-post","status-publish","format-standard","hentry","category-algorithm"],"_links":{"self":[{"href":"https:\/\/chaixiangyu.cn\/index.php?rest_route=\/wp\/v2\/posts\/40","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chaixiangyu.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chaixiangyu.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chaixiangyu.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chaixiangyu.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=40"}],"version-history":[{"count":1,"href":"https:\/\/chaixiangyu.cn\/index.php?rest_route=\/wp\/v2\/posts\/40\/revisions"}],"predecessor-version":[{"id":41,"href":"https:\/\/chaixiangyu.cn\/index.php?rest_route=\/wp\/v2\/posts\/40\/revisions\/41"}],"wp:attachment":[{"href":"https:\/\/chaixiangyu.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=40"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chaixiangyu.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=40"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chaixiangyu.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=40"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}