The target column or expression that the function operates on. Note This function returns an error for some data types if the expression references an Amazon Redshift user-created table or an Amazon Redshift STL or STV system table. Expressions with the following data types produce an error if...
SELECT LN(65) "natural_log of 65" -- SELECT statement retrieves data from the database -- LN() function calculates the natural logarithm of the specified number -- In this case, LN(65) calculates the natural logarithm of 65 FROM dual; -- Specifies the 'dual' table, a special one-ro...
matmul(x_data, A), b) # 定义 hinge loss function # Declare vector L2 'norm' function squared l2_norm = tf.reduce_sum(tf.square(A)) # Declare loss function # Loss = max(0, 1-pred*actual) + alpha * L2_norm(A)^2 # L2 regularization parameter, alpha alpha = tf.constant([0.01]...
The LN function returns the natural logarithm of a number. The LN and EXP functions are inverse operations. LN(expression) The schema is SYSIBM. (The SYSFUN version of the LN function continues to be available.) expression An expression that returns a value of any built-in numeric data ...
The LN function returns the natural logarithm of a number. The LN and EXP functions are inverse operations. LN(expression) The schema is SYSIBM. (The SYSFUN version of the LN function continues to be available.) expression An expression that returns a value of any built-in numeric data ...
with pointer parameter;83keep_pt =cpp_fun2(pt_cpp_fun2_parameter, msg3);84cout <<"CPP: cpp_fun2_return_pt_value ="<< *keep_pt <<endl;858687return0;88}89[root@rockylinux tmp]#90[root@rockylinux tmp]#91[root@rockylinux tmp]# g++ -o parameter_function parameter_function.cpp92[...
If a vlan is defined with the sriov renderer for an SR-IOV Virtual Function interface, this causes netplan to set up a hardware VLAN filter for it. There can be only one defined per VF. • dhcp4 (bool) Enable DHCP for IPv4. Off by default. • dhcp6 (bool) Enable DHCP for ...
Returns the natural log (that is, the log with respect to base e) of the input argument. If the argument is negative or 0, an exception is raised. Returns null if the input argument is null. For more information, see LOG10 and EXP. Examples FunctionResult LN(1) 0.0 LN(10) 2.302...
from catboost import CatBoostRegressormodel=CatBoostRegressor(iterations=50, depth=3, learning_rate=0.1, loss_function='RMSE') model.fit(X_train, y_train,cat_features=categorical_features_indices,eval_set=(X_validation, y_validation),plot=True) ...
on('join', function* () { console.log('join event receiverd, new user: ', this.data) // use global io send borad cast io.emit('msg', '[All]: ' + this.data + ' joind'); // use current socket send a broadcast this.socket.broadcast('msg', '[All]: Hello guys, I\'m '...