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MATLAB Basic: rounding
Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8
fast 3 Jahre vor
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Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.
fast 3 Jahre vor
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Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...
fast 3 Jahre vor
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Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...
fast 3 Jahre vor
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Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.
fast 3 Jahre vor
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Get the length of a given vector
Given a vector x, the output y should equal the length of x.
fast 3 Jahre vor
Beantwortet
Reading raw image file of unknown size
If you make some assumptions about the image, there is a way to find the height and width. 1. Image is all grayscale uint8 ...
Reading raw image file of unknown size
If you make some assumptions about the image, there is a way to find the height and width. 1. Image is all grayscale uint8 ...
fast 8 Jahre vor | 1
Gesendet
Faster base2dec Function
This is a fast replacement for base2dec. It has the same syntax as base2dec and does not require compiling.
fast 8 Jahre vor | 1 Download |
Gesendet
Faster dec2base Function
This is a fast replacement for dec2base. It has the same syntax as dec2base and does not require compiling.
fast 8 Jahre vor | 1 Download |
Gesendet
mfft
This code is designed to help learn and understand the fast fourier algorithm. For this purpose it is kept as short and simple a...
fast 8 Jahre vor | 2 Downloads |
Beantwortet
initialize a MxN matrix with the same number
I know this is old but I could not let it go. I found A=zeros(M,N)+10; to be the fastest. At least on my computer. Heres...
initialize a MxN matrix with the same number
I know this is old but I could not let it go. I found A=zeros(M,N)+10; to be the fastest. At least on my computer. Heres...
fast 8 Jahre vor | 15
Beantwortet
Matlab FFT vs MEX FFTW
The difference in speed might be caused by your inputs being rational and not complex. In this case Matlab calls the fft for rea...
Matlab FFT vs MEX FFTW
The difference in speed might be caused by your inputs being rational and not complex. In this case Matlab calls the fft for rea...
mehr als 8 Jahre vor | 0
Gelöst
Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...
mehr als 10 Jahre vor
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Can you reshape the matrix?
Given a matrix A, is it possible to reshape it into another matrix with the given number of rows?
mehr als 10 Jahre vor
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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
mehr als 11 Jahre vor
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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 ...
mehr als 11 Jahre vor
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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
mehr als 11 Jahre vor
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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...
mehr als 11 Jahre vor
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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 ...
mehr als 11 Jahre vor
Gelöst
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:...
mehr als 11 Jahre vor