do the following code on matlab with the given and specified format Question 2 (25 points):Build a function f(t) that outputs according to the following conditions:f(t) = ln(t + 1)= {ince0; t≤0;0% Initialize f to 0 for all tf=zeros(size(t));for i=1:length(t)f(i) = piecefcn(t(i));end% Plot function here% Piecewise function herefunction [f]=piecefcn(t)% Conditional statement hereend

% Main code clc; clear; % Define t from -1 to 5 with a step size of 0.01 t = -1:0.01:5; %…

Answered: Question 2 (25 points): Build a…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Q1: Write a Matlab function which calculates f(x) from the following inequality: - 1- x2, -11 or x <-1 Matlab Then plot f(x) over the range [-10, 10].
Consider the following function shoots : def shoots(x: int) -> int: if x <= 0: return 0 4 elif x == 1: return shoots(x + 2) 6 elif x == 2: return shoots(x - 1) 80 elif x == 2: 9. return -1 10 else: 11 return shoots(x - 2) 2 3
C++ Programming Problem: You are given n sets S1, S2, ..., Sn . For each i, you want to choose x; E S;, such that the variance of the multiset {*1, x2,..., en} is minimized. The variance of a multiset {x1, x2, ..., xn} is defined as ri=1 where u is the mean, which equals n n Say the minimum possible variance is R. Print n² × R. It can be proved that n² R is always an integer. Input: 3371 25 11 Output: 4
C++ Programming Problem: You are given n sets S1, S2,..., Sn - For each i, you want to choose x; E Si, such that the variance of the multiset {x1, x2, ... , Xn} is minimized. The variance of a multiset {x1, x2, ..., xn} is defined as o2 where u is the mean, which equals n n Say the minimum possible variance is R. Print n² × R. It can be proved that n²R is always an integer. Input: 3371 25 11 Output: 4
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Step 1. Intersection over Union # def intersection_over_union(dt_bbox, gt_bbox): ---> return iou Step 2. Evaluate Sample We now have to evaluate the predictions of the model. To do this, we will write a function that will do the following: Take model predictions and ground truth bounding boxes and labels as inputs. For each bounding box from the prediction, find the closest bounding box among the answers. For each found pair of bounding boxes, check whether the IoU is greater than a certain threshold iou_threshold. If the IoU exceeds the threshold, then we consider this answer as True Positive. Remove a matched bounding box from the evaluation. For each predicted bounding box, return the detection score and whether we were able to match it or not. def evaluate_sample(target_pred, target_true, iou_threshold=0.5): # ground truth gt_bboxes = target_true['boxes'].numpy() gt_labels = target_true['labels'].numpy() # predictions dt_bboxes =…
Question 2 factorial(n) = n (n-1) (n-2) .1. Complete the following function such that it returns the factorial of the input parameter (num) to the calling function. def factorial(num): if num == 0: return 1 else: return • factorial( O factorial(num-1), num 1, num O factorial(num), num-2 O num, num-1 O num-1, num-2 Question 3
Let A = {1, 2,3} and B = {a, b, c, d} What is the function from a to b?
2a. Classification task For the following two classes of observations (class cross and class circle), state and explain whether it is possible for a perceptron to learn the required output. + + + +
If F1(A, B, C, D) = Sum(0, 1, 3, 8, 9, 14, 15) and d=Sum(4, 5, 11, 12, 13), the F1 =
For all a and b in the domain of a function f, the function is injective iff f(a) #f(b) a=Db f(a)=f(b) a=b f(a)=f(b) atb o fly)=x iff f(x)=y A Moving to another question will save this response. 5
QUESTION 2 f:A B A = {0, 1, 2}, B = {0,1} f(0) = 1, f(1) = 0, f(2) = 1 1. Is f, as described above, a function? If it is not a function, explain why. 2.If f is a function. Answer the following: %3D %3| a.lsfinjective? If it is not injective, explain why. b.lsf surjective? If it is not surjective, explain why. c.lsf bjective? If it is not bjective, explain why. d. Does f have an inverse? If f has an inverse, what is the domain and codomain of f-? If f does not have an inverse, explain why. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). Arial 10pt B IU S Paragraph !!!

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