CSE 432 Fall 2019 Lab 7

November 15, 2019

Task 1 More Symbolic Algebra %Lab 7 Task 1 close all; clear; clc; syms x y; %y=x^2+5*x+6; figure fplot(‘x^2+5*x+6’,[-50 50]) figure ezpolar(‘cos(x)’) figure ezpolar(‘2+cos(x)’) figure ezpolar(‘sin(x)+cos(x)’) figure ezplot(‘cos(x)’) Task 2 Laplace Transform and Inverse Laplace Transform %Lab 7 Task 2 close all; clear; clc; syms t a s; y=exp(-a*t); pretty(laplace(y)) y1=exp(3*t); pretty(laplace(y1)) pretty(laplace(heaviside(t))) y2=exp(3*t)+exp(-5*t); pretty(laplace(y2))

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CSE 432 Fall 2019 Lab 6

November 11, 2019

Task 1 Symbolic Algebra in Matlab Solving Single Variable Equation Solving Multi Variable Equation Solving Simultaneous Equation Using roots and polyval function Using expand function to expand algebraic expression Using simplify function to simplify algebraic expression using factor function to factorize algebraic expression %Lab 6 Task 1 close all clear clc a=solve(‘3*x-50=0’); disp(a) b=solve(‘3*x^2+5*x-3=0’); pretty(b)

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CSE 432 Fall 2019 Lab 5

November 11, 2019

Task 1 Complex Numbers in matlab %Lab 5 Task 1 close all clear clc j=sqrt(-1); x=5+3j; y=6-2j; z=x+2*y; %Decomposing the real and imaginary part of a complex number disp(real(z)); disp(imag(z)); %Finding polar form of a complex number.\ disp(abs(z)); disp(angle(z)); Task 2 Real and Imaginary Components of complex numbers. %Lab 5 Task 2 close all clear

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CSE 121 Tutorial 1 Mark Fall 2019

October 24, 2019

Section A Reg Name Test 1 190103020001 Syed Md. Afsani 6 190103020005 Nadira Ferdous 4 190103020007 Biprojit Bhattacharjee 4 190103020009 Maidul Islam 4 190103020011 Marwanur Rashid Shafe 4 190103020015 Jeni Begum 4 190103020017 Marufa Akter Sweety 4 190103020019 MD.Fahin Miah 4 190103020021 Abida Khanom 3 190103020023 Aysha Akter 4 190103020025 Md. Shahan Ahmed Emon A

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CSE 431 Tutorial 1 Marks Fall 2019

October 24, 2019

Reg Name Test 1 160203020006 Naziza Islam Shaon 3.5 160203020015 Adib Shikder A 160303020001 Mohammad Shamimur Rahman 3 160303020002 Tayef Ahmed 1.5 160303020004 Hamiduzzaman Noyon 9 160303020005 Md. Musaddikur Rahman A 160303020008 Ahmed M. A. Mayeed 0.5 160303020009 Rubaiya Jannat Marufa 5.5 170103020101 Tutul Chandradas 1 160103020079 Md. Zahirul Islam A 160203020002 Kawsar Hussain A

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CSE 432 Fall 2019 Lab 4

October 15, 2019

Task 1 Generation of unit impulse function. close all clear clc fs=10; a=1; t=-5:1/fs:5; impl=zeros(1,length(t)); for i=1:length(t) if t(i)==0 impl(i)=a; end end figure plot(t,impl) ylim([0 2]) figure stem(t,impl) Task 2 Generation of unit Ramp function. close all clear clc fs=10; a=1; t=-5:1/fs:5; rmp=zeros(1,length(t)); for i=1:length(t) if t(i)>=0 rmp(i)=t(i); end end figure plot(t,rmp) figure stem(t,rmp) Task

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CSE 432 Fall 2019 Lab 3

October 11, 2019

Task 1 Plotting a sine curve close all clear clc freq=input(‘Freqiuency of Sine function= ‘); amp=input(‘Amplitude of Function= ‘); phi=input(‘Initial Phase of Sine Function= ‘); time=input(‘End Time for Signal= ‘); fs=freq*10; %Following nyquist critereon t=0:1/fs:time; w=2*pi*freq; y=amp*sin(w*t+phi); figure(1) plot(t,y) figure(2) stem(t,y) Task 2 Plotting a cosine curve close all clear clc freq=input(‘Freqiuency of Cosine function=

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