This function creates a dataset where each element is a tuple `(inputs, targets)`. `inputs` is a Tensor of shape `(batch_size, input_sequence_length, num_routes, 1)` containing the `input_sequence_length` past values of the timeseries for each node. `targets` is a Tensor of shape `(batch_size, forecast_horizon, num_routes)` containing the `forecast_horizon` future values of the timeseries for each node.
时间: 2023-04-04 21:04:21 浏览: 58
这个函数创建一个数据集,其中每个元素都是一个元组`(inputs, targets)`。`inputs`是一个张量,形状为`(batch_size, input_sequence_length, num_routes, 1)`,其中包含每个节点的`input_sequence_length`个过去时间序列值。`targets`是一个张量,形状为`(batch_size, forecast_horizon, num_routes)`,其中包含每个节点的`forecast_horizon`个未来时间序列值。
相关问题
Array.form is not a function at eval
`Array.from` is a function in JavaScript that creates a new array from an array-like or iterable object. It is possible that you are encountering this error because you are trying to use `Array.from` on an object that is not iterable.
Here is an example of how to use `Array.from` correctly:
```
const str = 'hello';
const arr = Array.from(str);
console.log(arr); // Output: ["h", "e", "l", "l", "o"]
```
If you are still encountering the error, please provide more context or code so that I can better assist you.
please generate a C++ program that creates a tree node in a certain place of a tree.
Here is an example C++ program that creates a tree node at a specific position in a tree:
```c++
#include <iostream>
#include <vector>
using namespace std;
struct TreeNode {
int val;
vector<TreeNode*> children;
TreeNode(int x) : val(x) {}
};
void createNode(TreeNode* root, vector<int> path, int pos, int val) {
if (pos == path.size()) {
root->children.push_back(new TreeNode(val));
return;
}
int index = path[pos];
createNode(root->children[index], path, pos + 1, val);
}
int main() {
TreeNode* root = new TreeNode(1);
root->children.push_back(new TreeNode(2));
root->children.push_back(new TreeNode(3));
root->children.push_back(new TreeNode(4));
vector<int> path = {1, 0}; // path to the node we want to create
int val = 5; // value of the new node
createNode(root, path, 0, val);
// print the tree to verify the new node was added
cout << root->val << endl;
for (auto child : root->children) {
cout << " " << child->val << endl;
for (auto grandchild : child->children) {
cout << " " << grandchild->val << endl;
}
}
return 0;
}
```
In this program, we define a `TreeNode` struct that represents a node in a tree. Each node has a `val` property representing its value, and a `children` vector representing its children.
The `createNode` function takes a `root` parameter representing the root of the tree, a `path` parameter representing the path to the node we want to create (as a vector of indices), a `pos` parameter representing the current position in the path, and a `val` parameter representing the value of the new node. The function recursively traverses the tree along the path until it reaches the position where the new node should be created, and then adds the new node as a child of the current node.
In the `main` function, we create a sample tree and then call the `createNode` function to add a new node with value 5 at position [1, 0] (i.e., the second child of the root's first child). We then print the tree to verify that the new node was added correctly.