Answered
How to create this by a for loop?
Assuming that the f_t+d values are in a 1-D array in contiguous locations, you could use the following code to get the required ...

5 years ago | 0

Answered
How to do a error bar from two curves along y axis in the same plot?
From what I understand, you are trying to plot the curve (x1, y1) along with the deviations of the curve (x2, y2) from (x1, y1)....

5 years ago | 0

Answered
Trying to break time series data up by season
The "getsampleusingtime(tsin,starttime,endtime)" function could be used to create subsets of time series data. You can specify t...

5 years ago | 0

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How can I run this loop in parallel ?
Since you have mentioned that you are new to parallel programming in MATLAB, I suggest going through the following resources: ...

5 years ago | 1

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Plotting two arrays of different lengths
From what I understand, you want to increase the size of a vector to match a specified value, without losing any information. I ...

5 years ago | 0

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Example code for deep Q-learning
Consider going through the following MATLAB answers page. It has links to tutorials and documents containing example codes, that...

5 years ago | 0

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Q-learning with neural network
MATLAB's reinforcement learning toolbox has tools for implementing a variety of RL algorithms such as Deep Q-Network (DQN), Adva...

5 years ago | 0

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unit step function to mimic signal
From what I understand, you want the falling edge of your unit step signal to coincide with that of the square wave. If that ...

5 years ago | 0

Answered
Draw the vector field and eigenvectors in the phase portrait for Van der Pol ODE
If you can calculate the vector field values at every point, then the resulting data can be plotted using the “quiver” function,...

5 years ago | 0

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Solved

Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

5 years ago

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Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

5 years ago

Solved

Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

5 years ago

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Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

5 years ago

Solved

Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

5 years ago

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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

5 years ago

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

5 years ago

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

5 years ago

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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

5 years ago

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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

5 years ago

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

5 years ago

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

5 years ago

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Is my wife right?
Regardless of input, output the string 'yes'.

5 years ago

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

5 years ago

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

5 years 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.

5 years 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:...

5 years ago

Answered
Why the thd function do not give same answer
I believe this is because the "thd(x)" function calculates the Total harmonic distance in a way different from the one you have ...

5 years ago | 0

Answered
Removing a syms variable from a For loop solution
Based on on the provided equation and code, here's something I came up with to calculate the neede values: syms x N = 100 ...

5 years ago | 0

Answered
Designing a band pass filter for filtering a sinusoidal function with a known frequency from a signal with an unknown sampling rate
The signal processing toolbox will give you the necessary functionality to carry out filtering of signals. The following will...

5 years ago | 0

Answered
Is it possible to have AppDesigner started automatically when I start Matlab ?
Create a startup.m file in the userpath folder, which is on the MATLAB® search path. Add commands you want executed at startup. ...

5 years ago | 0

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