George
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Question
How to plot with repeating values in the abscissa vector?
I took a bunch of readings over the course of three days and used the "now" function to timestamp each reading. Plotting that is...
plus de 10 ans il y a | 1 réponse | 0
1
réponseQuestion
Is there a way to manipulate the Font that is displayed in the Command Window?
Title says it all. Thanks in advance, George
plus de 10 ans il y a | 2 réponses | 0
2
réponsesQuestion
How to click stop a function in while loop using a pushbotton in GUI?
I have two buttons. When DC_start is pressed it disables itself and two user inputs, and then enters a while loop. At some point...
plus de 10 ans il y a | 1 réponse | 0
1
réponseQuestion
I have a string with the form of that of what you would write to initialize a matrix; how do I make the string a matrix?
Title says it all. ex: myStr = [1,2,3, 5:7]; how do I make it so myArray = [1,2,3,5,6,7]. Thanks in advance, George
plus de 10 ans il y a | 2 réponses | 0
2
réponsesQuestion
Isolate a period of a sound
Hey, I have an array of over 100K values from a wavread audio file with a pretty high sampling rate. It is the sound of a dog ba...
environ 12 ans il y a | 1 réponse | 0
0
réponseQuestion
How do I move a Matrix from Command Window to Editor?
I made a matrix N in command window that I want to use in Editor. How do I move the data from command window to something I use ...
plus de 13 ans il y a | 2 réponses | 0
2
réponsesA résolu
The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".
plus de 13 ans il y a
A résolu
Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...
plus de 13 ans il y a
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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...
plus de 13 ans il y a
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Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...
plus de 13 ans il y a
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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...
plus de 13 ans il y a
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Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...
plus de 13 ans il y a
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Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.
plus de 13 ans il y a
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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...
plus de 13 ans il y a
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Matrix indexing with two vectors of indices
Given a matrix M and two index vectors a and b, return a row vector x where x(i) = M(a(i),b(i)).
plus de 13 ans il y a
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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...
plus de 13 ans il y a
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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...
plus de 13 ans il y a
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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...
plus de 13 ans il y a
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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...
plus de 13 ans il y a
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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
plus de 13 ans il y a
