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Plus x: A first program
_Solve this problem in Mathwork's online Cody system._ Write a statement that assigns y with 5 plus x. Ex: If input x = 2,...

circa 10 anni fa

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Circle area using pi
Write a statement that assigns circleArea with the circle's area given circleRadius. Use the built-in mathematical constant pi. ...

circa 10 anni fa

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Duplicates
Write a function that accepts a cell array of strings and returns another cell array of strings *with only the duplicates* retai...

circa 10 anni fa

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Assigning a sum
* Write a statement that assigns numCoins with numNickels + numDimes.

circa 10 anni fa

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surface of a spherical planet
you just discovered its circumference, that is the input.

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Make a Palindrome Number
Some numbers like 323 are palindromes. Other numbers like 124 are not. But look what happens when we add that number to a revers...

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Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

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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...

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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...

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Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

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Replace NaNs with the number that appears to its left in the row.
Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

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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 ...

oltre 10 anni fa

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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...

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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...

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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...

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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...

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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...

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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...

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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...

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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...

oltre 10 anni fa

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

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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...

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

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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...

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Count photos
Given n people, everyone must have pictures taken with everyone, each photo includes only two persons, please count the total nu...

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Back to basics 9 - Indexed References
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix and row and column, output the index of th...

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Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5

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Remove DC
Input x is the sampled signal vector, may have both AC and DC components. Output y should not contain any DC component. Examp...

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Determine Whether an array is empty
Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.

oltre 10 anni fa

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Program an exclusive OR operation with logical operators
Program an exclusive or operation *without* using the MATLAB function xor. Use logical operators like |, &, ~, ... instead. ...

oltre 10 anni fa