# Jon

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**Content Feed**

if statement is not working

The problem is that your if statement will only be true if all of the elements of theta satisfy the condition. If you only want...

9 hours ago | 1

Merge columns in two tables depending on column names

I think you can probably accomplish what you want using one or more of MATLAB's join, innerjoin, and outerjoin commands. Please...

11 hours ago | 0

i am trying to write a program to find the day of any date.

I think MATLAB's weekday function should do this for you, type doc weekday on the command line for details

1 day ago | 0

ODE solvers and code

Just edit the functions, so type on the command line for example: edit ode45

1 day ago | 0

How to create a Stereo Sweep from Frequency A to B in a given time?

As an alternative, if you don't have the signal processing toolbox, or for some reason preferred to see the details you could do...

2 days ago | 2

Identifying the first number in a series in the same vector?

define your vector as x then y = unique(floor(x)) floor gets rid of the decimal part, unique gets rid of the repetitions

2 days ago | 0

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Different legends for multiple graphs

There might be more elegant ways of generating the legends but one approach would be to define before the loop a cell array of l...

2 days ago | 0

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Warning: Imaginary parts of complex X and/or Y arguments ignored.

Haven't tried your code, but most likely one or more of h1, h2, or h3 are negative and when you take the square root of them it...

3 days ago | 0

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Unable to perform assignment because the indices on the left side are not compatible with the size of the right side

Following up on @Walter Roberson's comment, I ran your code (I assigned my own values to data, as I didn't have your input file...

5 days ago | 1

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how to find the value of the diagnol of the attached image

From your matlab.mat file it seems that you are showing the image represented by the matrix corr_data. You can get the diagonal...

5 days ago | 0

Add data from one input file to another

I think you should be able to get the sets of data that you want using MATLAB's ismember and intersect Is that what you are ask...

5 days ago | 0

How to solve for x give the equation of a circle and the equation of a line?

You can use MATLAB's fsolve to solve the original system of two equations and two unknowns. To do this you have to rearrange the...

5 days ago | 0

How and what is the time period of following function

I think you are looking for a characteristic time duration for your circuit. One common criteria is the settling time following ...

6 days ago | 0

How do I make Matlab not show large values in scientific notation?

I think typing this command on the command line may get you what you want format shortG

6 days ago | 0

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interpolate data in timeseries

Although you say you have a "time series" it looks like v is just an ordinary vector. Assuming you have another "t" vector to go...

6 days ago | 0

How to get the equation inside that of root(function,z) equation ,i.e the function only

This is a polynomial, you should be able to obtain all of the roots (real and complex) using: r = roots([1.0 ... -(190266...

7 days ago | 0

I have to combine 90 txt files in one txt file

If you don't want to create a huge matrix before writing it out you could do this % define some parameters outfile = 'alldata....

7 days ago | 1

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I am trying to write data to a file where the first column is the time values and the second column is the volts values.

I think the problem is tha fprintf writes the elements columnwise. You could send the transpose (use the ' operator) fprintf(fi...

7 days ago | 0

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create a graph with a specific interval

If you want n to have integer values greater than zero and strictly less than 35 you can define n = 0:34 If you don't require ...

8 days ago | 1

why do I suddenly get a gain value in my transfer function?

Your original expression and the one found by zpk are the same. zpk just factored out the 2 from denominator.

8 days ago | 1

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How to solve for N sets of 2 equations and 2 unknowns using a for loop?

This is one approach using nested functions to pass additional paramaters, see https://www.mathworks.com/help/optim/ug/passing-e...

14 days ago | 0

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Convert from linear to log scale and back again

I think you can get what you want using MATLAB's semilogx function

15 days ago | 0

Is there a way to find the mean of every other number in a vector and compare it to every other number in another vector?

I'm not sure if I am clear on what you are trying to do but from your description I would do something like this: red = [2 4 3 ...

15 days ago | 1

Trying to combine multiple square matrices diagonally into a combined larger matrix

You can use MATLAB's blkdiag function for this so in your case T = blkdiag(A,B,C)

15 days ago | 0

intersect() returns unplausible values

I think you may be misunderstanding the usage of MATLAB's intersect function. It finds the set intersection (elements in common)...

16 days ago | 0

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how can i get value of y

It looks like you are trying to solve for the root of a nonlinear function. You can use MATLAB's fzero to do this. Type doc fzer...

16 days ago | 1

If point x belongs to vertices of rectangle?

You could define a 4 by 2 array, corners, with the corner values (first column x values, second column y values) then do somethi...

16 days ago | 0

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How to solve this error : "index out of bounds because numel(U)=1"

With your definition of U, U has only one element. Note you first assign a scalar (one element) variable u=1, then you assign U ...

17 days ago | 0

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3 Excel COLUMNS x,y,z imported into work space as vectors, z is a function of x,y how do i get the data into a 2d lookup table

Here is an example MATLAB script that you could run to assign the necessary variables in your base workspace before running yo...

17 days ago | 0

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How to adjust axes created using plot

use the ylim command for example g = @(x) sin(x)/x fplot(g, [-10, 10]) title('The result of fplot') ylim([-2,2])

20 days ago | 1