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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...

8 months ago

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:...

1 year ago | 0

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...

2 years ago | 0

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...

2 years ago | 0

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...

2 years ago | 0

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...

2 years ago | 0

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))

2 years ago | 1

| accepted

Green's Function Solution in Matlab

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

2 years ago | 0

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...

2 years ago | 0

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...

2 years ago | 1

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...

2 years ago | 0

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...

2 years ago | 0

| accepted

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...

2 years ago | 0

| accepted

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 years ago | 1

| accepted

Retain Image details in Matlab

This answer suggests a method that may work for you

2 years ago | 0

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 years ago | 0

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 years ago | 0

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 years ago | 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 years ago | 2

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 years ago | 0

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 years ago | 1

| accepted

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...

2 years ago | 3 answers | 1

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answersWhere 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=...

2 years ago | 0

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,...

2 years ago | 0

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)...

2 years ago | 0

| accepted

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...

2 years ago | 0

| accepted

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

2 years ago | 0

error for equality of default

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

2 years ago | 0

| accepted

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...

2 years ago | 2

| accepted