用相同的方式写python代码,并比较结果和时间: importtimefromnumpyimportrandomimportvectorLEN=10000000a=random.randint(-10,10,LEN)b=random.randint(-10,10,LEN)defdot(A,B):ret=0foriinrange(len(A)):ret+=A[i]*B[i]returnretstart=time.time()res=dot(a,b)end=time.time()print(f"Result for ...
时间序列平稳性是指一组时间序列数据看起来平坦，各阶统计特征不随时间的变化而变化。平稳性分为宽平稳...
#include <array> #include <deque> #include <list> #include <ranges> #include <set> #include <valarray> #include <vector> template<typename T> concept RAR = std::ranges::random_access_range<T>; int main() { int a[4]; static_assert( RAR<std::vector<int>> and RAR<std::vector<boo...
int random = get_random_number_between_x_and_y(0, 3); if (random > 0) [[likely]] { // body of if statement // ... } It can also be applied to the substatement (body) of an iteration statement. while (unlikely_truthy_condition) [[unlikely]] { // body of while statement /...
awesome-cpp Latest commit uhub update Nov 21, 2024 6e03c77·Nov 21, 2024 History History A curated list of awesome C++ frameworks, libraries and software.
这里使用sleepstudy数据集,看一下免费的R包lme4和付费包asreml如何处理不同的混合线性模型,以加深对混合线性模型的理解。...and random intercepts (with correlation) 随机斜率,不同截距(Random slopes with a different intercept)其它lme4不能实现的功能...随机斜率,随机截距,没有相关性这里模型更复杂一点,假定不...
'utf8_range_lib', 'z', 'absl/base:config', 'absl/cleanup:cleanup', 'absl/container:flat_hash_map', 'absl/container:flat_hash_set', 'absl/container:inlined_vector', 'absl/functional:function_ref', 'absl/hash:hash', 'absl/meta:type_traits', 'absl/random:bit_gen_ref...
__cpp_lib_containers_ranges202202L(C++23)Ranges construction and insertion for containers Example Run this code #include <iostream>#include <vector>intmain(){// Create a vector containing integersstd::vector<int>v={8,4,5,9};// Add two more integers to vectorv.push_back(6);v.push_back...
master 分支(11) 标签(7) 管理 管理 master 8.0-EA 7.1 onnxrt 5.1 7.2.1 6.0-full-dims 6.0 v5.0 7.0 webinar/s3pool 21.05 21.03 21.02 release/7.2.1 release/7.1 release/7.0 release/6.0 onnx-tensorrt / builtin_op_importers.cpp builtin_op_importers.cpp 205.14 KB ...
std::uniform_int_distribution Defined in header<random> template<classIntType=int> classuniform_int_distribution; (since C++11) Produces random integer valuesii, uniformly distributed on the closed interval[a,b][a,b], that is, distributed according to the discrete probability function ...