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Filename: drivers/Session_files_driver.php
Line Number: 176
Backtrace:
File: /home/answnniz/solutionspile.com/index.php
Line: 367
Function: require_once
Severity: Warning
Message: session_start(): Failed to read session data: user (path: /home/answnniz/solutionspile.com/system/sessions)
Filename: Session/Session.php
Line Number: 143
Backtrace:
File: /home/answnniz/solutionspile.com/index.php
Line: 367
Function: require_once
Example 4.7. 4-20 Show that
B(\alpha )given by Equation (4.103) is invertible provided
s_(\theta )!=0.
\omega =[[c_(\psi )s_(\theta ),-s_(\psi ),0],[s_(\psi )s_(\theta ),c_(\psi ),0],[c_(\theta ),0,1]][[\phi ^(?)],[\theta ^(?)],[\psi ^(?)]]=B(\alpha )\alpha ^(?)(4.103)