aigor steps only. ax? y = -+ 2x t ii. Produce the flow chart for the equation in i. iii. Discuss two importance of algorithms and provide an example each. iv. Discuss time complexity and use examples to give scenarios. v. Discuss space complexity and use examples to give scenarios. vi. Discuss NP vs P and use examples to give scenarios

aigor steps only. ax? y = -+ 2x t ii. Produce the flow chart for the equation in i. iii. Discuss two importance of algorithms and provide an example each. iv. Discuss time complexity and use examples to give scenarios. v. Discuss space complexity and use examples to give scenarios. vi. Discuss NP vs P and use examples to give scenarios

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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please answer with proper explanation and step by step solution. please solve all sub part.
1. If a stone is thrown vertically with an initial speed u, its vertical displacements after a time t has elapsed is given by the formula: s(t) = ut – gt/2 (Air resistance has been ignored) Model this equation with a simulink diagram to obtain a plot for the vertical displacement s with time t. Where g=9.8 , u=40. Hints: First, consider the blocks needed to build the model. A Ramp block to input the time signal t, from the Sources library. A Math function block (double click on it and select square) to get t', from the Math library. A Gain block to multiply the input signal by u, from the Math library. A Gain block to multiply the square of the input signal by g/2, from the Math library. A Sum block to subtract the two quantities, also from the Math library. A Scope block to display the output, from the Sinks library. Next, gather the blocks into your model window. Note that the output will not display a cleared output so right click on the display and select autoscale.
The following inquiries must be responded to: Are the following statements propositions? If it is, then use P; otherwise, use NP.When will your very first vlog be published?
Problem 7: Use Wang's algorithm to answer whether or not Mary will go to the party, given that: If Bob goes to the party, then Anna goes (B → A). If Mary goes to the party, then Bob goes (M → B). Anna will not go to the party (not A). Show all the steps clearly stating the rule applied at each step.
please answer with proper explanation and step by step solution.
With Given the endpoints (21, 11) and (31, 19), using Bresenham’s Line Algorithm for abs (m) < 1,i. Calculate the slope of the lineii. Determine the initial decision parameteriii. Generate the successive decision parametersiv. Create a Scan Conversion table based on the parameters deduced in (i), (ii), and (iii)v. Plot the line and graphically re-calculate its gradient
2. Let p, q, r be propositions. Based on given truth values of individual propositions or compound propositions decide the missing truth value(s), if possible. Pick the correct answer (circle or underline, or use a color). No explanation is necessary. a) If p = T Aq =F Ar =T then (p → ¬q) O (p ^r) = .. TRUTH FALSE cannot be decided b) If p = T Aq = F Ar = F then (p Oq) → (q → r) = ... TRUTH FALSE cannot be decided c) If (p A-q) V (p → r) = F , then p Ar = .. TRUTH FALSE cannot be decided
Can you kindly please give me an example of a Python code that plots the efficient frontier curve of asset classes, whereby for a given range of risk levels (x-axis of efficient frontier), the curve must show the 1) portfolio weights, 2) the portfolio return and 3) Sharpe ratio for a given risk free rate. NB: The code must be in Python (Programming Language) and the code does not have to be complete. I simply just need guidance on how to go about plotting the efficient frontier that shows the above 3 things.
True or False in ( ) and why? The subject is Python programming