下面代码转化为paddle2.2.2代码 : gt_batch_list.append(gt_pack) input_batch = np.concatenate(input_batch_list, axis=0) gt_batch = np.concatenate(gt_batch_list, axis=0) in_data = torch.from_numpy(input_batch.copy()).permute(0,3,1,2).cuda() gt_data = torch.from_numpy(gt_batch.copy()).permute(0,3,1,2).cuda()
时间: 2024-02-24 14:57:53 浏览: 21
s.cr);
}
} else {
printf("Solution not found\n");
}
free(queue);
free(visited);
import paddle
import numpy as np
gt_batch_list = []
input_batch_list = []
# 假设 input_batch_list 和 gt_batch_list 已 return 0;
}
```
以上是一个完整的C语言程序,可以在控制台中运行,并输出经赋值完成
gt_pack = paddle.to_tensor(gt_batch_list)
input_batch = np.concatenate(input_batch_list, axis=0)
gt解题过程。注意,由于状态空间较小,使用广度优先搜索可以找到最优解,但_batch = np.concatenate(gt_batch_list, axis=0)
in_data = paddle.to_tensor(input_batch.copy()).transpose((0, 3, 1, 2)).astype("float32")
gt_data = paddle.to_tensor(gt_batch.copy()).transpose((0, 3, 对于更大的状态空间,可能需要使用其他搜索算法或优化方法,例如A*算法或双向搜索。
相关问题
下面代码转化为paddle2.2.2代码 :if epoch%1==0: torch.save(denoiser, os.path.join(save_dir, 'model_epoch%d.pth' % epoch))
在 PaddlePaddle 2.2.2 中,可以使用以下代码实现相同的功能:
```python
import paddle
if epoch % 1 == 0:
paddle.save(denoiser.state_dict(), os.path.join(save_dir, 'model_epoch%d.pdparams' % epoch))
```
需要注意的是,`torch.save` 保存的是整个模型,包括模型结构和参数,而 `paddle.save` 仅保存模型参数。因此,在加载模型时,需要先定义模型结构,然后加载参数。例如:
```python
import paddle
# 定义模型结构
class MyModel(paddle.nn.Layer):
def __init__(self):
super(MyModel, self).__init__()
self.fc = paddle.nn.Linear(10, 1)
def forward(self, x):
x = self.fc(x)
return x
# 创建模型实例
model = MyModel()
# 加载模型参数
params_path = 'model_epoch1.pdparams'
param_dict = paddle.load(params_path)
model.set_dict(param_dict)
```
请在这个DeepCFD的网络添加attention机制,并给出示例代码:import paddle import paddle.nn as nn class Attention(nn.Layer): def __init__(self, input_size, hidden_size): super(Attention, self).__init__() self.input_size = input_size self.hidden_size = hidden_size self.attn = nn.Linear(self.input_size + self.hidden_size, 1) self.softmax = nn.Softmax(axis=1) def forward(self, input, hidden): max_len = input.shape[0] attn_energies = paddle.zeros([max_len, 1]) for i in range(max_len): attn_energies[i] = self.score(input[i], hidden) attn_weights = self.softmax(attn_energies) context = paddle.sum(attn_weights * input, axis=0) return context.unsqueeze(0) def score(self, input, hidden): energy = self.attn(paddle.concat([input, hidden], axis=1)) return energy class DeepCFD(nn.Layer): def __init__(self, input_size, hidden_size, output_size): super(DeepCFD, self).__init__() self.input_size = input_size self.hidden_size = hidden_size self.output_size = output_size self.lstm = nn.LSTM(input_size, hidden_size, num_layers=2, batch_first=True) self.attention = Attention(input_size, hidden_size) self.fc = nn.Linear(hidden_size, output_size) def forward(self, input): output, (hidden, cell) = self.lstm(input) context = self.attention(output, hidden[-1]) output = self.fc(context) return output
好的,下面是添加了Attention机制的DeepCFD网络的示例代码:
import paddle
import paddle.nn as nn
class Attention(nn.Layer):
def __init__(self, input_size, hidden_size):
super(Attention, self).__init__()
self.input_size = input_size
self.hidden_size = hidden_size
self.attn = nn.Linear(self.input_size + self.hidden_size, 1)
self.softmax = nn.Softmax(axis=1)
def forward(self, input, hidden):
max_len = input.shape[1]
attn_energies = paddle.zeros([input.shape[0], max_len, 1])
for i in range(max_len):
attn_energies[:, i] = self.score(input[:, i, :], hidden)
attn_weights = self.softmax(attn_energies)
context = paddle.sum(attn_weights * input, axis=1)
return context
def score(self, input, hidden):
energy = self.attn(paddle.concat([input, hidden], axis=1))
return energy
class DeepCFD(nn.Layer):
def __init__(self, input_size, hidden_size, output_size):
super(DeepCFD, self).__init__()
self.input_size = input_size
self.hidden_size = hidden_size
self.output_size = output_size
self.lstm = nn.LSTM(input_size, hidden_size, num_layers=2, batch_first=True)
self.attention = Attention(input_size, hidden_size)
self.fc = nn.Linear(hidden_size, output_size)
def forward(self, input):
output, (hidden, cell) = self.lstm(input)
context = self.attention(output, hidden[-1])
output = self.fc(context)
return output
在这个示例代码中,我们将Attention机制应用到了LSTM的输出上。在Attention中,我们计算了每个时间步的注意力能量,然后使用softmax函数计算注意力权重。然后,我们将这些权重与LSTM输出相乘并求和,得到上下文向量作为Attention机制的输出。
在DeepCFD中,我们使用了两层LSTM,然后将LSTM输出和最后一个时刻的隐藏状态作为Attention机制的输入。最后,我们将Attention机制的输出传递到一个全连接层中,得到最终的输出。