{"id":1034,"date":"2021-07-12T07:16:00","date_gmt":"2021-07-12T07:16:00","guid":{"rendered":"https:\/\/www.bearloga.space\/?page_id=1034"},"modified":"2021-07-12T07:16:01","modified_gmt":"2021-07-12T07:16:01","slug":"numpy-chast-4-linalg","status":"publish","type":"page","link":"https:\/\/www.bearloga.space\/uk\/numpy-chast-4-linalg\/","title":{"rendered":"NumPy, \u0447\u0430\u0441\u0442\u044c 4: linalg"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u0412 \u043f\u0440\u043e\u0448\u043b\u044b\u0445 \u0447\u0430\u0441\u0442\u044f\u0445 \u043c\u044b \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u043b\u0438\u0441\u044c \u0441\u00a0\u043e\u0441\u043d\u043e\u0432\u043d\u044b\u043c\u0438 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f\u043c\u0438 \u043d\u0430\u0434 \u043c\u0430\u0441\u0441\u0438\u0432\u0430\u043c\u0438\u00a0\u0438\u00a0random\u043e\u043c\u00a0\u0432 NumPy. \u0422\u0435\u043f\u0435\u0440\u044c \u0436\u0435 \u043c\u044b \u043f\u0440\u0438\u0441\u0442\u0443\u043f\u0438\u043c \u043a \u0431\u043e\u043b\u0435\u0435 \u0441\u0435\u0440\u044c\u0451\u0437\u043d\u044b\u043c \u0432\u0435\u0449\u0430\u043c, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0435\u0441\u0442\u044c \u0432 NumPy. \u041f\u0435\u0440\u0432\u044b\u0439 \u043d\u0430 \u043e\u0447\u0435\u0440\u0435\u0434\u0438 \u0443 \u043d\u0430\u0441 \u043c\u043e\u0434\u0443\u043b\u044c numpy.linalg, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u0434\u0435\u043b\u0430\u0442\u044c \u043c\u043d\u043e\u0433\u0438\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0438\u0437 \u043b\u0438\u043d\u0435\u0439\u043d\u043e\u0439 \u0430\u043b\u0433\u0435\u0431\u0440\u044b.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0412\u043e\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u0432 \u0441\u0442\u0435\u043f\u0435\u043d\u044c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>linalg.matrix_power<\/strong>(M, n) &#8211; \u0432\u043e\u0437\u0432\u043e\u0434\u0438\u0442 \u043c\u0430\u0442\u0440\u0438\u0446\u0443 \u0432 \u0441\u0442\u0435\u043f\u0435\u043d\u044c n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0420\u0430\u0437\u043b\u043e\u0436\u0435\u043d\u0438\u044f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>linalg.cholesky<\/strong>(a) &#8211; \u0440\u0430\u0437\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u0425\u043e\u043b\u0435\u0446\u043a\u043e\u0433\u043e.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>linalg.qr<\/strong>(a[, mode]) &#8211; QR \u0440\u0430\u0437\u043b\u043e\u0436\u0435\u043d\u0438\u0435.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>linalg.svd<\/strong>(a[, full_matrices, compute_uv]) &#8211; \u0441\u0438\u043d\u0433\u0443\u043b\u044f\u0440\u043d\u043e\u0435 \u0440\u0430\u0437\u043b\u043e\u0436\u0435\u043d\u0438\u0435.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u041d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438 \u043c\u0430\u0442\u0440\u0438\u0446<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>linalg.eig<\/strong>(a) &#8211; \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0438 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0435 \u0432\u0435\u043a\u0442\u043e\u0440\u044b.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>linalg.norm<\/strong>(x[, ord, axis]) &#8211; \u043d\u043e\u0440\u043c\u0430 \u0432\u0435\u043a\u0442\u043e\u0440\u0430 \u0438\u043b\u0438 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>linalg.cond<\/strong>(x[, p]) &#8211; \u0447\u0438\u0441\u043b\u043e \u043e\u0431\u0443\u0441\u043b\u043e\u0432\u043b\u0435\u043d\u043d\u043e\u0441\u0442\u0438.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>linalg.det<\/strong>(a) &#8211; \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>linalg.slogdet<\/strong>(a) &#8211; \u0437\u043d\u0430\u043a \u0438 \u043b\u043e\u0433\u0430\u0440\u0438\u0444\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f (\u0434\u043b\u044f \u0438\u0437\u0431\u0435\u0436\u0430\u043d\u0438\u044f \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f, \u0435\u0441\u043b\u0438 \u0441\u0430\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u043e\u0447\u0435\u043d\u044c \u043c\u0430\u043b\u0435\u043d\u044c\u043a\u0438\u0439).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0421\u0438\u0441\u0442\u0435\u043c\u044b \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0439<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>linalg.solve<\/strong>(a, b) &#8211; \u0440\u0435\u0448\u0430\u0435\u0442 \u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u043b\u0438\u043d\u0435\u0439\u043d\u044b\u0445 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0439 Ax = b.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>linalg.tensorsolve<\/strong>(a, b[, axes]) &#8211; \u0440\u0435\u0448\u0430\u0435\u0442 \u0442\u0435\u043d\u0437\u043e\u0440\u043d\u0443\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u043b\u0438\u043d\u0435\u0439\u043d\u044b\u0445 \u0443\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0439 Ax = b.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>linalg.lstsq<\/strong>(a, b[, rcond]) &#8211; \u043c\u0435\u0442\u043e\u0434 \u043d\u0430\u0438\u043c\u0435\u043d\u044c\u0448\u0438\u0445 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u043e\u0432.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>linalg.inv<\/strong>(a) &#8211; \u043e\u0431\u0440\u0430\u0442\u043d\u0430\u044f \u043c\u0430\u0442\u0440\u0438\u0446\u0430.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0417\u0430\u043c\u0435\u0447\u0430\u043d\u0438\u044f:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>linalg.LinAlgError<\/strong>&nbsp;&#8211; \u0438\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435, \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u043c\u043e\u0435 \u0434\u0430\u043d\u043d\u044b\u043c\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u043c\u0438 \u0432 \u0441\u043b\u0443\u0447\u0430\u0435 \u043d\u0435\u0443\u0434\u0430\u0447\u0438 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043f\u0440\u0438 \u043f\u043e\u043f\u044b\u0442\u043a\u0435 \u0432\u0437\u044f\u0442\u044c \u043e\u0431\u0440\u0430\u0442\u043d\u0443\u044e \u043c\u0430\u0442\u0440\u0438\u0446\u0443 \u043e\u0442 \u0432\u044b\u0440\u043e\u0436\u0434\u0435\u043d\u043d\u043e\u0439).<\/li><li>\u041f\u043e\u0434\u0440\u043e\u0431\u043d\u0430\u044f \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u044f, \u043a\u0430\u043a \u0432\u0441\u0435\u0433\u0434\u0430, \u043d\u0430 \u0430\u043d\u0433\u043b\u0438\u0439\u0441\u043a\u043e\u043c:&nbsp;<a href=\"https:\/\/docs.scipy.org\/doc\/numpy\/reference\/routines.linalg.html\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/docs.scipy.org\/doc\/numpy\/reference\/routines.linalg.html<\/a><\/li><li>\u041c\u0430\u0441\u0441\u0438\u0432\u044b \u0431\u043e\u043b\u044c\u0448\u0435\u0439 \u0440\u0430\u0437\u043c\u0435\u0440\u043d\u043e\u0441\u0442\u0438 \u0432 \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 linalg \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0438\u0440\u0443\u044e\u0442\u0441\u044f \u043a\u0430\u043a \u043d\u0430\u0431\u043e\u0440 \u0438\u0437 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u043c\u0430\u0441\u0441\u0438\u0432\u043e\u0432 \u043d\u0443\u0436\u043d\u043e\u0439 \u0440\u0430\u0437\u043c\u0435\u0440\u043d\u043e\u0441\u0442\u0438. \u0422\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c, \u043c\u043e\u0436\u043d\u043e \u043e\u0434\u043d\u0438\u043c \u0432\u044b\u0437\u043e\u0432\u043e\u043c \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u043f\u0440\u043e\u0434\u0435\u043b\u044b\u0432\u0430\u0442\u044c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u043d\u0430\u0434 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u043c\u0438 \u043e\u0431\u044a\u0435\u043a\u0442\u0430\u043c\u0438.<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>&gt;&gt;&gt; <\/strong>a = np.arange(18).reshape((2,3,3))\n<strong>&gt;&gt;&gt; <\/strong>a\narray([[[ 0,  1,  2],\n        [ 3,  4,  5],\n        [ 6,  7,  8]],\n\n       [[ 9, 10, 11],\n        [12, 13, 14],\n        [15, 16, 17]]])\n<strong>&gt;&gt;&gt; <\/strong>np.linalg.det(a)\narray([ 0.,  0.])<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u0412 \u043f\u0440\u043e\u0448\u043b\u044b\u0445 \u0447\u0430\u0441\u0442\u044f\u0445 \u043c\u044b \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u043b\u0438\u0441\u044c \u0441\u00a0\u043e\u0441\u043d\u043e\u0432\u043d\u044b\u043c\u0438 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f\u043c\u0438 \u043d\u0430\u0434 \u043c\u0430\u0441\u0441\u0438\u0432\u0430\u043c\u0438\u00a0\u0438\u00a0random\u043e\u043c\u00a0\u0432 NumPy. \u0422\u0435\u043f\u0435\u0440\u044c \u0436\u0435 \u043c\u044b \u043f\u0440\u0438\u0441\u0442\u0443\u043f\u0438\u043c \u043a \u0431\u043e\u043b\u0435\u0435 \u0441\u0435\u0440\u044c\u0451\u0437\u043d\u044b\u043c \u0432\u0435\u0449\u0430\u043c, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0435\u0441\u0442\u044c [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[77],"tags":[],"class_list":["post-1034","page","type-page","status-publish","hentry","category-numpy"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/pages\/1034","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/comments?post=1034"}],"version-history":[{"count":0,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/pages\/1034\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/media?parent=1034"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/categories?post=1034"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/tags?post=1034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}