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Ted Shultz


51 2017 年以降の合計貢献数

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Date and number (hour) to times
If you convert the date column to datetime, and the hour column to a duration of hours, then you simply add them together to get...

22日 前 | 0

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How to define variables automatically
MATLAB will automatically resize vectors/matrix for you. You can put values into x(1:N) this way: X(1) = rand() X(2) = rand...

23日 前 | 0

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display symbols between numbers from a vector
you can use fprintf to print just about anything you want. calc=[10 11]; fprintf('%i + %i\n', calc(1), calc(2))

26日 前 | 1

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Green's Function Solution in Matlab
The person who asked this question has some (slow) sample code that will solve Green's function.

28日 前 | 0

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Fit a curve to data points x = f(y)
Because you are looking to make a function of “y” rather than “x”, you would need to flip the X and Y when you solve the equatio...

約2ヶ月 前 | 0

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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...

約2ヶ月 前 | 1

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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...

約2ヶ月 前 | 0

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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...

約2ヶ月 前 | 0

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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...

約2ヶ月 前 | 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...

2ヶ月 前 | 1

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

2ヶ月 前 | 0

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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 ...

2ヶ月 前 | 0

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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 ...

2ヶ月 前 | 0

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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...

2ヶ月 前 | 0

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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...

2ヶ月 前 | 1

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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...

2ヶ月 前 | 0

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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 ...

2ヶ月 前 | 1

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質問


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...

3ヶ月 前 | 3 件の回答 | 1

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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=...

3ヶ月 前 | 0

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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,...

3ヶ月 前 | 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)...

3ヶ月 前 | 0

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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...

3ヶ月 前 | 0

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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

3ヶ月 前 | 0

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

3ヶ月 前 | 0

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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...

3ヶ月 前 | 2

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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 ...

3ヶ月 前 | 0

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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...

3ヶ月 前 | 1

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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 ...

3ヶ月 前 | 0

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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...

3ヶ月 前 | 0

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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 ...

3ヶ月 前 | 0

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