George
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Pregunta
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...
casi 11 años hace | 1 respuesta | 0
1
respuestaPregunta
Is there a way to manipulate the Font that is displayed in the Command Window?
Title says it all. Thanks in advance, George
casi 11 años hace | 2 respuestas | 0
2
respuestasPregunta
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...
casi 11 años hace | 1 respuesta | 0
1
respuestaPregunta
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
casi 11 años hace | 2 respuestas | 0
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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...
más de 12 años hace | 0 respuestas | 0
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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 ...
casi 14 años hace | 2 respuestas | 0
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respuestasResuelto
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".
alrededor de 14 años hace
Resuelto
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...
alrededor de 14 años hace
Resuelto
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 ...
alrededor de 14 años hace
Resuelto
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...
alrededor de 14 años hace
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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 ...
alrededor de 14 años hace
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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...
alrededor de 14 años hace
Resuelto
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.
alrededor de 14 años hace
Resuelto
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...
alrededor de 14 años hace
Resuelto
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)).
alrededor de 14 años hace
Resuelto
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...
alrededor de 14 años hace
Resuelto
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 ...
alrededor de 14 años hace
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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...
alrededor de 14 años hace
Resuelto
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...
alrededor de 14 años hace
Resuelto
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:...
alrededor de 14 años hace
