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A is a matrix , what does this statement A([1,end],[1,end]) mean ?

Simple example: A = [1 2 3;4 5 6;7 8 9] A([1,end],[1,end]) ans = 2 by 2 1 3 7 9 To call the elements...

A is a matrix , what does this statement A([1,end],[1,end]) mean ?

Simple example: A = [1 2 3;4 5 6;7 8 9] A([1,end],[1,end]) ans = 2 by 2 1 3 7 9 To call the elements...

4 months ago | 1

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Compute the harmonic numbers

The nth <https://mathworld.wolfram.com/HarmonicNumber.html harmonic number> is defined as the sum of the reciprocals of the inte...

4 months ago

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Plot function shows an incomplete output

Create a linspace array which matches the log sclae for x- axis values. (Since, you set the xlim as [0.01,1000]) pe_plot = lins...

Plot function shows an incomplete output

Create a linspace array which matches the log sclae for x- axis values. (Since, you set the xlim as [0.01,1000]) pe_plot = lins...

4 months ago | 1

| accepted

Answered

How do I change the latex to equation in MATLAB answers?

short cut: ctrl+shift+L and write your equation in "Enter LaTeX equation code:" box. As soon as you entered you can see preview...

How do I change the latex to equation in MATLAB answers?

short cut: ctrl+shift+L and write your equation in "Enter LaTeX equation code:" box. As soon as you entered you can see preview...

4 months ago | 1

| accepted

Answered

Locating characters in a string array

In first step you are creating a string whose length is 102. In second step you are creating a array of 1:102. But, in a string...

Locating characters in a string array

In first step you are creating a string whose length is 102. In second step you are creating a array of 1:102. But, in a string...

4 months ago | 0

Solved

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...

4 months ago

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Area of an equilateral triangle

Calculate the area of an equilateral triangle of side x. <<http://upload.wikimedia.org/wikipedia/commons/e/e0/Equilateral-tr...

4 months ago

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Side of an equilateral triangle

If an equilateral triangle has area A, then what is the length of each of its sides, x? <<http://upload.wikimedia.org/wikipe...

4 months ago

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Side of a rhombus

If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<http://upload.wikimedia.org/wikipe...

4 months ago

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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...

4 months ago

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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. <<http://upload...

4 months ago

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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...

4 months ago

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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...

4 months ago

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Is this triangle right-angled?

Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

4 months ago

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Length of a short side

Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

4 months ago

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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.

4 months ago

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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 ...

4 months ago

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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 ...

4 months ago

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Whether the input is vector?

Given the input x, return 1 if x is vector or else 0.

4 months ago

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Get the length of a given vector

Given a vector x, the output y should equal the length of x.

4 months ago

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F solve error, how can I fix it?

g = @(x,y) -(118/121)*x.^2 -(333/242)*y.^2 -(196/121)*x.*y +(63/121)*x -(361/242)*y -(724/121); h = @(x,y) (21/121)*x.^2 +(299/...

F solve error, how can I fix it?

g = @(x,y) -(118/121)*x.^2 -(333/242)*y.^2 -(196/121)*x.*y +(63/121)*x -(361/242)*y -(724/121); h = @(x,y) (21/121)*x.^2 +(299/...

4 months ago | 0

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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.

4 months ago

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Magic is simple (for beginners)

Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

4 months ago

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Make a random, non-repeating vector.

This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

4 months ago

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Roll the Dice!

*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

4 months ago

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Number of 1s in a binary string

Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

4 months ago