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Jason R


自 2014 起处于活动状态

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统计学

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已解决


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...

8 years 前

已解决


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...

8 years 前

已解决


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 ...

8 years 前

已解决


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...

8 years 前

已解决


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...

8 years 前

已解决


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:...

9 years 前

已解决


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

9 years 前

已解决


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...

9 years 前

已解决


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...

9 years 前

已解决


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...

9 years 前

已解决


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...

9 years 前

已解决


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...

9 years 前

已解决


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

9 years 前

已解决


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...

9 years 前

已解决


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...

9 years 前

已解决


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...

9 years 前

已解决


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...

9 years 前

已解决


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...

9 years 前

已解决


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 ...

9 years 前

已解决


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...

9 years 前

已解决


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

9 years 前

已解决


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...

9 years 前

已回答
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...

10 years 前 | 0

| 已接受

已回答
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...

10 years 前 | 0

已解决


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

10 years 前

已解决


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 ...

10 years 前

已解决


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...

10 years 前

已回答
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

11 years 前 | 0

已回答
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...

11 years 前 | 0

| 已接受

已回答
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,

11 years 前 | 1

| 已接受

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