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Ted Shultz


46 total contributions since 2017

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Answered
I am not getting the correct answer when using datetime function
You are using t = datetime(Y,M,D) Year = 1 month = 43100 day = 1 That is not what you intend I assume. I think you...

4 days ago | 1

Answered
Find specific date/time from a series of datenums
It looks like the start of your approach is reasonable. Once you make a “times” array, there is no need to add it back to the “D...

4 days ago | 0

Answered
Is it possible to convert code written in the Matlab language into a Simulink block diagram?(Edited)
You can put all your code into a custom Simulink block: https://www.mathworks.com/help/simulink/ug/tutorial-creating-a-custom-b...

4 days ago | 0

Answered
distance from us location to canada border
I don’t know of a direct function to measure distance from a country, but I did need to do something very similar. This is how I...

4 days ago | 0

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for loop and matrix
use nchoosek to get all the pairs: Loudness=[2.79;3.16;3.71;2.29;2.49;2.64;2.9;2.79;2.91;3.35]; FlucStr=[0.0256;0.0277;0.031...

10 days ago | 1

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Answered
Retain Image details in Matlab
This answer suggests a method that may work for you

11 days ago | 0

Answered
how can i convert program written in c code to matlab?
I’ve had a lot of luck translating C code line by line. After I get that working, I go back and hand optimize the code (Loop in ...

11 days ago | 0

Answered
Need help converting matrix of i2s values to sound
You could try to use the audioplayer function. You would need to scale your data, and know the sample frequency. You code ...

11 days ago | 0

Answered
Exceeds array bounds Error when running m-file, but no problem if the function is run alone.
I suspect your problem has to do with using different matrix named switchdata. Many people feel that is best to avoid using glob...

12 days ago | 0

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Answered
Variables Not Showing in Workspace After Clearing/Workspace Won't Update Varaibles
You should be able to type a variable name into the command window, and have it display the value, or open a variable from works...

12 days ago | 1

Answered
How to make a program that conver a numer to binary, decimal, hexadecimal and octal.
There are built in matlab funtions that will do this conversion for you. Check out: https://www.mathworks.com/help/matlab/ref...

12 days ago | 0

Answered
Find series of maxima of array (and matrix) within blocks of size n
You could use rehsape and max: [reshape(max(reshape(A',5,[])), [], size(A,1))]' Test: A=[1 2 5 1 0 0 5 0 1 2 4 0 5 3 2 0 ...

23 days ago | 1

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Question


Call function by path or namespace?
I have a package that was given to me that has some functions that have the same name as built in MATLAB functions, preventing m...

23 days ago | 3 answers | 1

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answers

Answered
Where can I find a replication of "The European Unemployment Dilemma" (Ljungqvist and Sargent, 1998)?
http://scholar.google.com/scholar?q=The+European+Unemployment+Dilemma%22+(Ljungqvist+and+Sargent,+1998)&hl=en&as_sdt=0&as_vis=...

24 days ago | 0

Answered
Why not just use Rectangular window for filtering?
More or less, the sudden start and stops can cause unexpected results, such as higher side lobes. Depending on your application,...

24 days ago | 0

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how can i make a live data stream received and recorded from a sensor more time efficient?
1) To only plot the last 500 points, you could plot use: set(linePlot(i),'xData',t(end-500:end),'ydata',dataPlot(i,end-500:end)...

24 days ago | 0

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Answered
Ignore anomalies in data sets
Do you have a rule that you can apply to define when a value should be ignored? (Above a certain value? distance from previous/n...

24 days ago | 0

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Answered
How to sample 1 Hz analog input with different sampling frequency like 2,4,6,8,Hz
The matlab function resample will do this. https://www.mathworks.com/help/signal/ref/resample.html

26 days ago | 0

Answered
error for equality of default
Look at your code above this line for the true error.

26 days ago | 0

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Answered
Numerical errors of basic multiple
These are floating point calculations. Not every number can be represented, and this rounding error can compound when you do mat...

26 days ago | 2

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Answered
Problem in plotting the string variable
Matlab only labels tick marks that exist (about every 5 "units" in this case). Make to make the ticks every mark, use the xTick ...

26 days ago | 0

Answered
How can I get rid of the white lines caused due to rendering issues?
There is a tool to clean this up: https://github.com/Conclusio/matlab-epsclean See discussion about this issue here: https...

29 days ago | 1

Answered
ERROR using plot. Vectors must be same lenght.
you appear to have two errors on that plot line: 1) ab_sym is a symbolic expression - did you mean to exclude this? 2) what ...

29 days ago | 0

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Answered
Removing invalid results knowing the trend
From what you say, it sounds like your valid rule is that if the reported angle is invalid if it is less than the previous value...

1 month ago | 0

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Answered
running matrix in a loop to produce another matrix
This code will loop over each row of Z and put the results into w. I'm not sure what you want to do with each row. z = [1 1 ...

1 month ago | 0

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Answered
Plotting geo track over a map
you can use plotm to plot lat,long data onto a map axis. But there is a file exchange file that is optimized for plotting data ...

1 month ago | 0

Answered
Using maximum of optimisation variable as an upper bound for another variable
you can do a bounded obtimization using this file from filecentral: fminsearchbnd

1 month ago | 0

Answered
extraction of text region in an image
Matlab OCR does this See: OCR ref

1 month ago | 0

Answered
ODE Error: "Array indices must be positive integers or logical values"
You are calling bdipuniodefun(t,s) with s having values of 0 (values from icv). Your program then attempts to index to the "0" e...

1 month ago | 0

Answered
I want to solve multivariable equation
This is how you would sove this: syms x y r a b eqn =(x/y*((1+(r-1)/2*y^2)/(1+(r-1)/2*x^2))^((r+1)/2*(r-1))) == a/b sol...

1 month ago | 0

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