Answered
How to read txt file with complex number(with imaginary part) in matlab
Hi NeoBeaver A way to import your data is A=textread('B field_example.txt','%s') If you want to skip the header: ...

9 years ago | 1

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Answered
do not get Greek letters in a plot
missing '\' From the function text introductory example x = 0:pi/20:2*pi; y = sin(x); plot(x,y) t...

9 years ago | 1

Answered
How to create a checkerboard image without using the inbuilt function?
Deep P this works, no inbuilt functions: sx=1280;sy=960; bas=16 % length base square side % assume...

9 years ago | 0

Solved

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. Examp...

9 years ago

Answered
How to create a checker box image of white and black pixels without using inbuilt function?
Deep this works sx=1280;sy=960; bas=16 % length base square side % assume sx and sy are multiples of base L...

9 years ago | 1

Solved

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 ...

9 years ago

Solved

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...

9 years ago

Solved

Is my wife right?
Regardless of input, output the string 'yes'.

9 years ago

Solved

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:...

9 years ago

Solved

Add two numbers
Given a and b, return the sum a+b in c.

9 years ago

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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 ...

9 years ago

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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...

9 years ago

Solved

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

9 years ago

Answered
Why am I receiving 1 full integer less when dividing using fix()
Hi Jonathan Let me comment your lines 1.- .. for i = 1:size(change,2) in this case you don't need size(ch...

9 years ago | 0

Answered
polar distribution, CENTERED on the center of gravity?
A=imread('31.jpg'); figure(1);imshow(A); <</matlabcentral/answers/uploaded_files/56502/31.jpg>> [gc1 gc2]=C...

9 years ago | 0

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Answered
how can I calculate number of pixel in each angle of a circle??
Dear Zaafouri the previous script works, the result when applied to the second image you have supplied does not have identica...

9 years ago | 0

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Answered
Fine tuning a 3D figure without modifying the arguments of `view`
Leo what you want to do is to switch the camera option Projection from 'Perspective' to 'Orthographic'. launch the camera ...

9 years ago | 1

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Answered
Grid 2D matrix to xyz
Karem you have crossed x and y in the fprinf writing to file. Your code corrected: load trend.mat [lon,lat] = size(tr...

9 years ago | 0

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Answered
How to find all possible combination of a digits between first and last digits?
Beibit would you please be so kind to switch your accepted answer of this question to my answer. Following the answer to y...

9 years ago | 0

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Answered
how can I calculate number of pixel in each angle of a circle??
Hi Zaafouri You don't really need to go down to counting the pixels of the arcs closing each sector. 1.- acquire image ...

9 years ago | 0

Answered
how to calculate similarity between any two points using custom distance fuction
Hi Derrik Your approach ( sqrt( (i1-i2)^2+(j1-j2)^2+(k1-k2)^2 ) / Dmax ) × (|p1-p2| / Pmax) has a problem: while you ...

9 years ago | 1

Answered
Arrange a set of elements in an array
Soumyatha have you tried a circshift? A = 1.00 4.00 3.00 2.00 ...

9 years ago | 0

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How can I fit a concave baseline curve to a spectrum?
I politely advocate less of Byzantine discussions and more coding of working scripts answering questions: What Mr Longridge a...

9 years ago | 0

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Answered
Is it possible to obtain the length of lines from graph object only?
Stefan find attached script that measures length circuit tracks. Explanation 1.- basic image processing: improve contra...

9 years ago | 0

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Answered
Taking data points in between multiple interval times times and outputting them in separate structural arrays
Heath spiketimes=spiketimes' % just to visualise horizontally [sz1_intervals sz2_intervals]=size(intervals) ...

9 years ago | 1

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Answered
remove null terms from a string and adjust signs
Now, I humbly claim my answer as accepted: str1='(G5)*((G6)*(G2+G4)+(G4)*(G2))+(G2)*((0)*(G4+G6)+(0)*(G3+G7)+(G4+G6)*(G1))+...

9 years ago | 0

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Answered
What's the purpose of doing fftshift twice?
Mark command fftshift is used to visualise the FFT within [-Fs/2 Fs/2] instead of [0 Fs] that is the interval that the FFT ta...

9 years ago | 1

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Answered
How do I overcome the "Subscript Indices" problem?
Thomas your are trying to index b with a null. In MATLAB matrix indices have to be >0, and in your for loop you are trying...

9 years ago | 1

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Answered
Perimeter of a part of an ellipse
Sibananda If you already have a and b, then you don't really need the ellipse centre point, or the ellipse tilt angle. The...

9 years ago | 0

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Answered
Assignment and accessing using indices
diag([0 1 1 0]) John jgb2012@sky.com

9 years ago | 1