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Deleting an element in a matrix
For vector Grades=[98 56 78 34 100 88 87], delete the number 78 to get the following matrix Grades=[98 56 34 100 88 87] **re...

12 years ago

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Vectors counting by 2
Create a vector numbers from 7 to 15 in increments of 2

12 years ago

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length of a vector
Find twice the length of a given vector.

12 years ago

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Flipping
Write code that can reverse the vector without using any sort of loop. Example Given the input vector A = [ 1 2 3 4 5...

12 years ago

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Remainder
Make 'y' equal to the remainder of 27 divided by 5. When x=27 and t=5

12 years ago

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Rounding
Round 10.67 and make 'y' equal to that number.

12 years ago

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Calculate the h-index
H-index is a powerful tool for quantifying the scientific contribution of a researcher. H-index is defined as follows (source - ...

12 years ago

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Diagonal of a Spiral Matrix
Write a function that will return same output as diag(spiral(n)). The only exception is that spiral and diag functions are not a...

12 years ago

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Back to the Future III
Marty McFly and Doc Brown are "back" again. See the test suite to see what they are up to.

12 years ago

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Back to the future II
See test suite

12 years ago

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Back to the future
See test suite See also: http://www.mathworks.com/matlabcentral/cody/problems/2449-back-to-the-future-ii

12 years ago

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Magnet and Iron
(Inspired from <http://www.mathworks.com/matlabcentral/cody/problems/112 Problem 112: Remove the air bubbles>) Iron (atomic n...

12 years ago

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Clear functions with the same name in different packages independently
See the test suite. N.B.: Overwriting files or functions a.k.a. cheating is not necessary.

12 years ago

Answered
evalin in caller a command that assigns in caller
There is no viable work-around for nested evalins, but your particular example does not really require them. You could for examp...

12 years ago | 0

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Why is drawnow ignoring object ordering during animation?
You may use plot3(x, y, z,...) and text(x, y, z,...) and control the relative front/behind positions of these elements with the ...

12 years ago | 0

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ind2sub doesn't work
You are funny. _ind2sub_ reshapes the _siz_ first argument to match the number of output variables used (in your case a singl...

12 years ago | 1

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eig versus svd functions?
SVD is a decomposition for arbitrary-size matrices, while EIG applies only to square matrices. They are very much related: Th...

12 years ago | 2

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How can i create a vector with specific values at different positions?
close enough: v([3:7 10:14 16:18 20:25]) = 1;

12 years ago | 1

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Efficient matri x calculation
data_new = ids(data);

12 years ago | 1

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scatter plotting color coded
perhaps something along these lines: % your data (assuming column vectors) lat = convn(randn(1e3,1),hanning(100)); l...

12 years ago | 0

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Splitting a vector into vectors of different length
This is interesting, perhaps something like this would do (this implements a greedy correction of your initial estimate of the d...

12 years ago | 0

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picking a random solution to linear equations
I like your _Matlab can do anything_ remark. The _evenly space_ condition is a bit hard to achieve, but here some thoughts anywa...

12 years ago | 1

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GUI push button problem
You simply need to add the line: drawnow; to the code running the simulation steps so that Matlab flushes the event queue...

12 years ago | 2

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regexp and string rearrange in text file
something along these lines: % reads file into cell array lines = textread('lsit2.txt','%s','delimiter','\n','whitespace...

12 years ago | 0

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How to run m-file from another m-file by input string
try this: ... fclose(f); rehash; run(save_name); also make sure that your variable _save_name_ does not include the...

12 years ago | 0

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Inserting NaN in particular spots of my matrix, all while "preserving" or shifting all other numbers
If I am interpreting correctly (not really sure if this is what you mean by "shifted down") this should do: c = nan(size(a...

12 years ago | 0

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Solved

Integer Sequence - II : New Fibonacci
Crack the following Integer Sequence. (Hints : It has been obtained from original Fibonacci Sequence and all the terms are also ...

12 years ago

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Square Diagonal
If n is the given number, then make a diagonal matrix of size 2*2 with the square of that number.

12 years ago

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Find the relation
Take x as input and y as output. If x=1 y=3 If x=2 y=14 If x=3 y=39 If x=4 y=84 Based on this relation find giv...

12 years ago

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Text processing - Help Johnny write a letter home from camp
Johnny overuses the word 'great'. Write a script that will help him with this and future letters. If a sentence contains more ...

12 years ago