Ted Shultz

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The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

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Find sum of numbers on the cornice of a matrix.

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what are the unit and source of topo data in matlab?
As Kimberly said, the "topo" data is from http://www.ngdc.noaa.gov/mgg/global/etopo5.HTML. Their is a newer data set out (https:...

plus de 3 ans il y a | 0

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Plotting Antarctica filled polygon with gshhs function fills the inverse of Antarctica
I had the exact same problem, but found a simple solution. Flip the order of the points in Antarctica! The problem is that g...

environ 4 ans il y a | 0

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combine surfaces into one big surface
How I do this is I convert all the patch objects to polyshape objects, and then union the poly shape objects together. you can t...

environ 4 ans il y a | 0

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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...

presque 5 ans il y a | 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...

presque 5 ans il y a | 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))

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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.

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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...

presque 5 ans il y a | 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...

presque 5 ans il y a | 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...

presque 5 ans il y a | 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...

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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...

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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...

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

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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 ...

presque 5 ans il y a | 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 ...

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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...

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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...

presque 5 ans il y a | 2

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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...

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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 ...

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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...

presque 5 ans il y a | 3 réponses | 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=...

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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,...

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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)...

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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...

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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

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

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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...

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