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Math 191 Spring 2023 Homework 8 due Tues, April 4, 11:59 PM (Upload your solutions to Gradescope) 1. (5 points) Suppose A is a real, m × n matrix of rank r. In lecture 23, we stated that the two “defining properties” of the pseudo-inverse A+ are that (1) AA+ is the orthogonal projection onto […]

Ph219c/CS 219c Due: Thursday 2 June 2022 3.1 Fibonacci anyons I For the Fibonacci anyon model there is a trivial label (denoted 0) and a nontrivial label (denoted 1); the fusion rule is 1 × 1 = 0 + 1. (1) As discussed in Sec. 9.16 of the lecture notes, for this model there are

#include “friends.h” #include #include #include * Create a new user with the given name. Insert it at the tail of the list * of users whose head is pointed to by *user_ptr_add. * – 0 on success. * – 1 if a user by this name already exists in this list. * – 2 if

#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include “src/dfs-utils.h” #include “src/dfslibx-clientnode-p2.h” #include “dfslib-shared-p2.h” #include “dfslib-clientnode-p2.h” #include “proto-src/dfs-service.grpc.pb.h” using grpc::Channel; using grpc::ClientContext; using grpc::ClientReader; using grpc::ClientWriter; using grpc::Status; using grpc::StatusCode; extern dfs_log_level_e DFS_LOG_LEVEL; // STUDENT INSTRUCTION: // Change these “using” aliases to the specific

#ifndef _DFSLIB_SERVERNODE_H #define _DFSLIB_SERVERNODE_H #include #include #include #include class DFSServerNode { /** The server address information **/ std::string server_address; /** The mount path for the server **/ std::string mount_path; /** The pointer to the grpc server instance **/ std::unique_ptr server; /** Server callback **/ std::function grader_callback; DFSServerNode(const std::string& server_address, const std::string& mount_path, std::function callback); ~DFSServerNode();

#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include “src/dfslibx-service-runner.h” #include “dfslib-shared-p2.h” #include “proto-src/dfs-service.grpc.pb.h” #include “src/dfslibx-call-data.h” #include “dfslib-servernode-p2.h” using grpc::Status; using grpc::StatusCode; using grpc::Server; using grpc::ServerBuilder; using grpc::ServerContext; using grpc::ServerReader; using grpc::ServerWriter; using dfs_service::DFSService; // STUDENT INSTRUCTION: // Change these “using” aliases to the specific // message types you

Math 5440: Week 10 Assignment Due Date: April 7, 2023 at 10am Exercise 1 Simulating an AB-Test Consider three alpha signals with correlations ¦Ñ0 = 0, ¦Ñ1 = 0.05, and ¦Ñ2 = 0.3. 1. For each correlation, create a synthetic alpha. The result should be in long format (duplicate each table row for each alpha).

MATH 5440: Week 7 Assignement Due Date: March 10, 2023 at 10am Exercise 1 Trading two consecutive orders This exercise reconciles two points of view on consecutive trades: (a) One can treat the second order as the first order’s continuation. (b) One can treat the second order as a separate trade from an external source.

Math 5440: Week 6 Assignment Due Date: March 3, 2023 at 10am Exercise Stock Returns vs. Price Impact Increments This assignment assumes that the exercises in Week 5 Assignment have yielded a functioning script. 1. Wrap the script from Week 5 into a function of dt, the date. 2. Loop over values of dt and