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Еркежан Кабылбаев
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Абдыманап Пирматов
Абдыманап Пирматов

Борис Сергеевич в своем лекции "Решение краевых задач методом конечных разностей" очень понятно излогали y'=  и  y''=.

как получить y''' и четвертого порядка

 

Пётр Иванюк
Пётр Иванюк

В ответе указать значение Y(1,3). Что это значит, подскажите?

Михаил Фадеев
Михаил Фадеев
Россия, г. Москва
Михаил Саварцов
Михаил Саварцов
Россия, Ставропольский край

( ! ) Warning: include_once(./includes/unicode.entities.inc) [<a href='function.include-once'>function.include-once</a>]: failed to open stream: No such file or directory in /.2/var_www_new.intuit.ru/htdocs/includes/unicode.inc on line 340
Call Stack
#TimeMemoryFunctionLocation
16.3512101097216watchdog( )../bootstrap.inc:0
26.3515101099672module_invoke( )../bootstrap.inc:967
36.3515101101528call_user_func_array ( )../module.inc:462
46.3515101101864devel_watchdog( )../module.inc:462
56.3517101102712decode_entities( )../devel.module:382
66.3517101104632drupal_error_handler( )../devel.module:340
76.3517101108240watchdog( )../common.inc:663
86.3517101110296module_invoke( )../bootstrap.inc:967
96.3517101112152call_user_func_array ( )../module.inc:462
106.3518101112488devel_watchdog( )../module.inc:462
116.3518101113184decode_entities( )../devel.module:382

( ! ) Warning: include_once() [<a href='function.include'>function.include</a>]: Failed opening './includes/unicode.entities.inc' for inclusion (include_path='.:/usr/local/zend/var/libraries/Zend_Framework_1/default/library:/usr/local/zend/share/pear') in /.2/var_www_new.intuit.ru/htdocs/includes/unicode.inc on line 340
Call Stack
#TimeMemoryFunctionLocation
16.3512101097216watchdog( )../bootstrap.inc:0
26.3515101099672module_invoke( )../bootstrap.inc:967
36.3515101101528call_user_func_array ( )../module.inc:462
46.3515101101864devel_watchdog( )../module.inc:462
56.3517101102712decode_entities( )../devel.module:382
66.3517101104632drupal_error_handler( )../devel.module:340
76.3517101108240watchdog( )../common.inc:663
86.3517101110296module_invoke( )../bootstrap.inc:967
96.3517101112152call_user_func_array ( )../module.inc:462
106.3518101112488devel_watchdog( )../module.inc:462
116.3518101113184decode_entities( )../devel.module:382

( ! ) Warning: include_once(./includes/unicode.entities.inc) [<a href='function.include-once'>function.include-once</a>]: failed to open stream: No such file or directory in /.2/var_www_new.intuit.ru/htdocs/includes/unicode.inc on line 340
Call Stack
#TimeMemoryFunctionLocation
16.3512101097216watchdog( )../bootstrap.inc:0
26.3515101099672module_invoke( )../bootstrap.inc:967
36.3515101101528call_user_func_array ( )../module.inc:462
46.3515101101864devel_watchdog( )../module.inc:462
56.3517101102712decode_entities( )../devel.module:382
66.3526101104824drupal_error_handler( )../devel.module:340
76.3526101108512watchdog( )../common.inc:663
86.3526101110568module_invoke( )../bootstrap.inc:967
96.3526101112424call_user_func_array ( )../module.inc:462
106.3526101112760devel_watchdog( )../module.inc:462
116.3527101113536decode_entities( )../devel.module:382

( ! ) Warning: include_once() [<a href='function.include'>function.include</a>]: Failed opening './includes/unicode.entities.inc' for inclusion (include_path='.:/usr/local/zend/var/libraries/Zend_Framework_1/default/library:/usr/local/zend/share/pear') in /.2/var_www_new.intuit.ru/htdocs/includes/unicode.inc on line 340
Call Stack
#TimeMemoryFunctionLocation
16.3512101097216watchdog( )../bootstrap.inc:0
26.3515101099672module_invoke( )../bootstrap.inc:967
36.3515101101528call_user_func_array ( )../module.inc:462
46.3515101101864devel_watchdog( )../module.inc:462
56.3517101102712decode_entities( )../devel.module:382
66.3526101104824drupal_error_handler( )../devel.module:340
76.3526101108512watchdog( )../common.inc:663
86.3526101110568module_invoke( )../bootstrap.inc:967
96.3526101112424call_user_func_array ( )../module.inc:462
106.3526101112760devel_watchdog( )../module.inc:462
116.3527101113536decode_entities( )../devel.module:382

( ! ) Warning: include_once(./includes/unicode.entities.inc) [<a href='function.include-once'>function.include-once</a>]: failed to open stream: No such file or directory in /.2/var_www_new.intuit.ru/htdocs/includes/unicode.inc on line 340
Call Stack
#TimeMemoryFunctionLocation
16.3532101097760watchdog( )../bootstrap.inc:0
26.3532101099816module_invoke( )../bootstrap.inc:967
36.3532101101672call_user_func_array ( )../module.inc:462
46.3532101102008devel_watchdog( )../module.inc:462
56.3533101102712decode_entities( )../devel.module:382
66.3533101104632drupal_error_handler( )../devel.module:340
76.3533101108240watchdog( )../common.inc:663
86.3533101110296module_invoke( )../bootstrap.inc:967
96.3533101112152call_user_func_array ( )../module.inc:462
106.3533101112488devel_watchdog( )../module.inc:462
116.3534101113184decode_entities( )../devel.module:382

( ! ) Warning: include_once() [<a href='function.include'>function.include</a>]: Failed opening './includes/unicode.entities.inc' for inclusion (include_path='.:/usr/local/zend/var/libraries/Zend_Framework_1/default/library:/usr/local/zend/share/pear') in /.2/var_www_new.intuit.ru/htdocs/includes/unicode.inc on line 340
Call Stack
#TimeMemoryFunctionLocation
16.3532101097760watchdog( )../bootstrap.inc:0
26.3532101099816module_invoke( )../bootstrap.inc:967
36.3532101101672call_user_func_array ( )../module.inc:462
46.3532101102008devel_watchdog( )../module.inc:462
56.3533101102712decode_entities( )../devel.module:382
66.3533101104632drupal_error_handler( )../devel.module:340
76.3533101108240watchdog( )../common.inc:663
86.3533101110296module_invoke( )../bootstrap.inc:967
96.3533101112152call_user_func_array ( )../module.inc:462
106.3533101112488devel_watchdog( )../module.inc:462
116.3534101113184decode_entities( )../devel.module:382

( ! ) Warning: include_once(./includes/unicode.entities.inc) [<a href='function.include-once'>function.include-once</a>]: failed to open stream: No such file or directory in /.2/var_www_new.intuit.ru/htdocs/includes/unicode.inc on line 340
Call Stack
#TimeMemoryFunctionLocation
16.3532101097760watchdog( )../bootstrap.inc:0
26.3532101099816module_invoke( )../bootstrap.inc:967
36.3532101101672call_user_func_array ( )../module.inc:462
46.3532101102008devel_watchdog( )../module.inc:462
56.3533101102712decode_entities( )../devel.module:382
66.3538101104824drupal_error_handler( )../devel.module:340
76.3539101108512watchdog( )../common.inc:663
86.3539101110568module_invoke( )../bootstrap.inc:967
96.3539101112424call_user_func_array ( )../module.inc:462
106.3539101112760devel_watchdog( )../module.inc:462
116.3539101113536decode_entities( )../devel.module:382

( ! ) Warning: include_once() [<a href='function.include'>function.include</a>]: Failed opening './includes/unicode.entities.inc' for inclusion (include_path='.:/usr/local/zend/var/libraries/Zend_Framework_1/default/library:/usr/local/zend/share/pear') in /.2/var_www_new.intuit.ru/htdocs/includes/unicode.inc on line 340
Call Stack
#TimeMemoryFunctionLocation
16.3532101097760watchdog( )../bootstrap.inc:0
26.3532101099816module_invoke( )../bootstrap.inc:967
36.3532101101672call_user_func_array ( )../module.inc:462
46.3532101102008devel_watchdog( )../module.inc:462
56.3533101102712decode_entities( )../devel.module:382
66.3538101104824drupal_error_handler( )../devel.module:340
76.3539101108512watchdog( )../common.inc:663
86.3539101110568module_invoke( )../bootstrap.inc:967
96.3539101112424call_user_func_array ( )../module.inc:462
106.3539101112760devel_watchdog( )../module.inc:462
116.3539101113536decode_entities( )../devel.module:382