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Question
Using ode45 for solution curve
Equations: df/dt= 4f(t) - 3f(t)p(t) dp/dt= -2p(t) + f(t)p(t) Question: For the solution curve that starts at (1,1), ...
meer dan 7 jaar ago | 1 answer | 0
1
answerQuestion
Using ode45 to plot
Equations: df/dt= 4f(t) - 3f(t)p(t) dp/dt= -2p(t) + f(t)p(t) Question: Useode45to plot some representative examples of...
meer dan 7 jaar ago | 1 answer | 1
1
answerQuestion
Using the Solve command
Equations: df/dt= 4f(t) - 3f(t)p(t) dp/dt= -2p(t) + f(t)p(t) Question: Figure out the critical points of the system...
meer dan 7 jaar ago | 1 answer | 0
1
answerQuestion
Using ode45 and differential equations
A paratrooper steps out of an airplane at a height of 1000 feet and, after five seconds, opens her parachute. Her weight, incl...
meer dan 7 jaar ago | 0 answers | 0
0
answersQuestion
Plotting Answers to dsolve
Trying to get the answers to show up on plot Code: for w = 1.3, 1.5, 1.8, 1.9 dsolve('2*D2h + 8*h = 5*cos(w*t)') ...
meer dan 7 jaar ago | 1 answer | 0
1
answerQuestion
using ode 45 to estimate the derivative
Question: Use ode45 to estimate y'(3), where y is the solution to the initial value problem y" + (1/t)*y = 0 ; y(0) = 0, y'(0...
meer dan 7 jaar ago | 1 answer | 0
1
answerQuestion
plot numerical solutions to the the initial value problem
On a single graph, plot numerical solutions to the the initial value problem on the interval [0,10]. Use values of b that are l...
meer dan 7 jaar ago | 0 answers | 0
0
answersQuestion
ode45 Error not working
Use ode45 to overlay plots of solutions to this differential equation with y (0) = c for c ranging from 0 to 1 in steps of 0:1. ...
meer dan 7 jaar ago | 1 answer | 0
1
answerQuestion
Make a slope eld for this equation
Make a slope field for this equation over the intervals between 0<t<6 and 0<y<1. Equation: 5*y*(1-y)-(1+((sin(2*pi*t))/2)) A...
meer dan 7 jaar ago | 1 answer | 0
1
answerQuestion
almost-autnomous differential equation
y' = y^2 − t. This differential equation has “stationary” solutions, but unlike with an autonomous equation, those stationary s...
meer dan 7 jaar ago | 1 answer | 0
1
answerQuestion
Make a direction field for the differential equation
Make a direction field for the differential equation: y' =( t + y + 1)/ (y − t ). In a comment, talk about where existence and ...
meer dan 7 jaar ago | 2 answers | 0
2
answersQuestion
Using dsolve function to solve this equation?
Question: Use dsolve to solve this equation: y' − y = 2 sin(t). Below is the code I used but I do not think I am getting...
meer dan 7 jaar ago | 1 answer | 0
1
answerQuestion
My Euler Method Error
Question: Consider the initial value problem: dy/dt= e−t − 3y, y(−1) = 0. Part a: Use the MATLAB program myeuler.m from C...
meer dan 8 jaar ago | 1 answer | 0
1
answerQuestion
Trouble getting plots to show in published PDF
I have all of my code done and now I am trying to publish the code in a pdf file and have it show the code, the answers, and the...
meer dan 8 jaar ago | 2 answers | 0
2
answersQuestion
Finding the approximate length with for loop?
mylength(f,g,a,b,n) which takes five inputs: f: A function handle. g: A function handle. a: A real number. b: A real number...
ongeveer 9 jaar ago | 1 answer | 0
1
answerQuestion
While Loop code not working?
Question: I have to create a function m file called myfirstzero(f,a) which takes two inputs: f: A function handle which you m...
ongeveer 9 jaar ago | 2 answers | 0
2
answersQuestion
Collinearity code not working?
Question: mylinecheck(a,b,c,d,e,f) which takes six inputs: [30 pts] a,b,c,d,e,f: Real numbers. You may assume that a,c,e are al...
ongeveer 9 jaar ago | 1 answer | 0
1
answerQuestion
For loop code not working right?
Question: Set the variable p9 to equal 7. Then run a for loop which goes through the numbers n = 0, 3, 6, 9, ..., 300 and adds t...
ongeveer 9 jaar ago | 2 answers | 0
2
answersQuestion
What is this question asking???
Question: Evaluate (g(x)/x+1)′′ (2). Note the 2 is plugged in here! I already have this code: diff(g(x)/(x+1),2) But I a...
ongeveer 9 jaar ago | 1 answer | 0
1
answerQuestion
Half life question in matlab
Question: Metronidazole (used to treat infections) has a half life of H = 7.9 hours. Use solve to calculate [5 pt] the amount of...
ongeveer 9 jaar ago | 0 answers | 0
0
answersQuestion
Is this code right?
question: Use fzero to approximate a root of sin(x) = cos(2x) near x = 1. code: fzero('sin(x)==cos(2*x)',1) answer: 1
ongeveer 9 jaar ago | 0 answers | 0
0
answersQuestion
fzero function troubles/errors
question is Use fzero to find the largest x-value where ex+1 meets cos(5x). Use a nearby sensible integer value of your choice. ...
ongeveer 9 jaar ago | 1 answer | 0
1
answerQuestion
Simplify error in matlab
I have this code: simplify(((sin*(x^2))*(sec*x))/(1+sec*x)) and getting this error: Error using sin Not enough input argume...
ongeveer 9 jaar ago | 1 answer | 0
1
answerQuestion
Half life question in matlab
Metronidazole (used to treat infections) has a half life of H = 7.9 hours. Use solve to calculate [5 pt] the amount of time it ...
ongeveer 9 jaar ago | 2 answers | 0
2
answersQuestion
Matlab Noob here Simple question
Can someone help me with writing the code for these two questions: Calculate e^0.4. Assign the answer to p2. Calculate log...
ongeveer 9 jaar ago | 1 answer | 0