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N-Dimensional Array Slice

Given an N-dimensional array, _A_, an index, _I_, and a dimension, _d_, return the _I_ th elements of _A_ in the _d_ dimension. ...

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Array slice indexing?

Take for example: a=[1 2 3; 5 6 7; 8 9 12] and i=2 then a(i,end:-1:1) gives: the 2nd row in right to left order (the eleme...

Array slice indexing?

Take for example: a=[1 2 3; 5 6 7; 8 9 12] and i=2 then a(i,end:-1:1) gives: the 2nd row in right to left order (the eleme...

9 months ago | 0

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My yellow led control doesn't work on my gui

Just change this two lines %set callback for h10 (yellow on) set (h11, 'Callback', 'yellow_led_control(h11, h12, h10, id_flag,...

My yellow led control doesn't work on my gui

Just change this two lines %set callback for h10 (yellow on) set (h11, 'Callback', 'yellow_led_control(h11, h12, h10, id_flag,...

9 months ago | 0

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Draw the symbol '+'

Draw '+' in an x-by-x matrix (where x is odd and x >3) Example: x = 5 y = [0 0 1 0 0 0 0 1 0 0 1 1 1 1 1 0 ...

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Write a program that calculates the length of hypotenuse c for all (!) combinations of legs a and b and do so using a for loop!

An other way without loop a = [3;5;1;3;2]; b = [1;3;2;7;2]; [A B]=meshgrid(a,b); C=[A(:),B(:)]; c=sqrt(C(:,1).^2+C(:,2).^2)...

Write a program that calculates the length of hypotenuse c for all (!) combinations of legs a and b and do so using a for loop!

An other way without loop a = [3;5;1;3;2]; b = [1;3;2;7;2]; [A B]=meshgrid(a,b); C=[A(:),B(:)]; c=sqrt(C(:,1).^2+C(:,2).^2)...

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Complex numbers not in fundamental class?

Hi Community Since a complex number is 1x1 array, why isn't in fundamental class type of datas?

9 months ago | 1 answer | 0

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Basics: 'Find the eigenvalues of given matrix

Find the eigenvalues y for a given matrix x.

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Find the hypotenuse

Given a and b (the two sides of a right-triangle), find c, the hypotenuse.

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Remove NaN ?

input -> matrix (n*m) with at least one element equal to NaN; output -> matrix(p*m), the same matrix where we deleted the enti...

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Y=X

Given an input variable x, output a variable y that is equal in value to x. Example: Input x = 1 Output y is 1 Inp...

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Find the sum of the elements in the "second" diagonal

Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

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Integer or Float?

Test an input to see whether it is an integer or a floating point number. If it is an integer return 1 for 'true'. Otherwise ret...

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Add a row of zeros on top of a matrix

Given a matrix, insert a row of zeros as the top row.

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Swap the input arguments

Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

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Dimensions of a rectangle

The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

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Triangle sequence

A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the s...

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Find a Pythagorean triple

Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

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Multiply a column by a row

* Given a column vector C and and a row vector R. * Output a matrix M. * Every column of M equals to C multiplied by correspon...

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Area of an equilateral triangle

Calculate the area of an equilateral triangle of side x. <<https://i.imgur.com/jlZDHhq.png>> Image courtesy of <http://up...

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Is this triangle right-angled?

Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

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Area of an Isoceles Triangle

An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<https://imgur...

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Find the maximum number of decimal places in a set of numbers

Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not coun...

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Make roundn function

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Rounding off numbers to n decimals

Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

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Matlab Basics - Rounding III

Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

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Matlab Basics - Rounding II

Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

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MATLAB Basic: rounding IV

Do rounding towards plus infinity. Example: -8.8, answer -8 +8.1 answer 9 +8.50 answer 9

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MATLAB Basic: rounding III

Do rounding towards minus infinity. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 8

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MATLAB Basic: rounding

Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

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MATLAB Basic: rounding II

Do rounding nearest integer. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 9

9 months ago