Jason R

Active since 2014

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Use a timetable to analyze a train timetable (Part 5)
You are analyzing a train timetable (you have some time to kill since you just missed your train!) How many trains depart each d...

ongeveer 8 jaar ago

Solved

Use a timetable to analyze a train timetable (Part 4)
You are analyzing a train timetable (you have some time to kill since you just missed your train!) What is the average daily tri...

ongeveer 8 jaar ago

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Use a timetable to analyze a train timetable (Part 3)
Oh no, you missed your train to Boston (again?)! How many times can you miss that train today? (In other words, how many Boston ...

ongeveer 8 jaar ago

Solved

Use a timetable to analyze a train timetable (Part 2)
Oh no, you missed your train to Boston! Find the departure time of the next available train by analyzing the train timetable. Yo...

ongeveer 8 jaar ago

Solved

Use a timetable to analyze a train timetable (Part 1)
Oh no, you missed your train to Boston! Find the departure time of the next available train by analyzing the train timetable. Th...

ongeveer 8 jaar ago

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

meer dan 9 jaar ago

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

meer dan 9 jaar ago

Solved

Add damping to a mass spring system
Model an ideal mass-spring-damper system shown below where the spring is initially stretched. <<http://blogs.mathworks.com/im...

meer dan 9 jaar ago

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Model a mass spring system
Model an ideal mass-spring system shown below where the spring is initially stretched. <<http://blogs.mathworks.com/images/se...

meer dan 9 jaar ago

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Model a falling body
An object is falling freely from a height of 22 meters under the force of gravity. <<http://blogs.mathworks.com/images/seth/c...

meer dan 9 jaar ago

Solved

Make a half wave rectifier
Produce a signal that outputs the given sine wave source when it is greater than zero and outputs zero when it is less than zero...

meer dan 9 jaar ago

Solved

Make a full wave rectifier
Produce a full wave rectifier waveform for the given sine wave source. For a sine wave input, the output of the full wave rec...

meer dan 9 jaar ago

Solved

Produce a sine wave
Produce a sine wave with amplitude 3: <<http://blogs.mathworks.com/images/seth/cody/sine-eqn.png>>

meer dan 9 jaar ago

Solved

Add offset to a signal
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/add-offset-eqn.png>> You should see a downward...

meer dan 9 jaar ago

Solved

Counting pulses in a signal
Count the number of pulses that are the result of summing each pulse generator block. Pulse Generator blocks produce a recurr...

meer dan 9 jaar ago

Solved

Produce a Fibonacci sequence
Construct a diagram that generates the Fibonacci sequence: 1, 1, 2, 3, 5, 8, 13, 21, 34.....up to 377 The Fibonacci sequ...

meer dan 9 jaar ago

Solved

Model a simple pendulum
Model a simple pendulum of length 200cm with bob of mass 100g and plot the position in degrees. The pendulum starts at 30 degree...

meer dan 9 jaar ago

Solved

Compute the step response of a DC motor
Compute the step response of a DC motor shown below <<http://blogs.mathworks.com/images/seth/cody/dc-motor.png>> The param...

meer dan 9 jaar ago

Solved

Make a low pass filter
Make a first order low pass filter that will filter out the high frequency oscillations for the given input signal. The cut-off ...

meer dan 9 jaar ago

Solved

Add a block to a model
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/add-block-eqn.png>> In this case, the slope of...

meer dan 9 jaar ago

Solved

Produce a cosine wave
Produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/cosine-eqn.png>>

meer dan 9 jaar ago

Solved

Connect blocks in a model
Connect the blocks in the model to produce the following signal: <<http://blogs.mathworks.com/images/seth/cody/connect-blocks...

meer dan 9 jaar ago

Answered
How can I plot a root locus for an open loop system?
To find the root locus of G=1/(10s+5), use the following code: s=tf('s'); G=tf(1/(10*s+5)); rlocus(G) This should be eno...

ongeveer 10 jaar ago | 0

| accepted

Answered
please I wrote this code to solve an equation of linear systems using LU factorization but it keeps giving me zeros as the value of x. please can someone help? thanks in advance
It seems that you initialize y as a vector of zeros (y = zeros (n,1);) and then use y to solve for b(n) and b(j) without updatin...

meer dan 10 jaar ago | 0

Solved

Add two numbers
Given a and b, return the sum a+b in c.

bijna 11 jaar ago

Solved

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

bijna 11 jaar ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

bijna 11 jaar ago

Answered
Can you create a plot with contourf without the contour lines?
Use the shading flat command. Example use: Z = peaks(20); contourf(Z,10); shading flat

ongeveer 11 jaar ago | 0

Answered
please please ...... i need help in this programme is there an error
What is the problem? I was able to run your code when I uncommented the variables k, v, etc. Remember that anything after a % wi...

ongeveer 11 jaar ago | 0

| accepted

Answered
how to silence display of variables?
Use ; to suppress output. So, Y(i)=0*X(i)+0; instead of Y(i)=0*X(i)+0,

ongeveer 11 jaar ago | 1

| accepted