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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...

ongeveer 2 jaar ago

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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...

ongeveer 2 jaar ago

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Length of the hypotenuse

Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<https://i.imgu...

ongeveer 2 jaar ago

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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...

ongeveer 2 jaar 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? <<https://i.imgur.com/jlZDHhq.png>> ...

ongeveer 2 jaar 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? <<https://imgur.com/x6hT6mm.png>> ...

ongeveer 2 jaar ago

Answered

Undefined function 'isnan' for input arguments of type 'Nodes2'

For reference, a related question that shows more of the actual classes in question: https://www.mathworks.com/matlabcentral/ans...

Undefined function 'isnan' for input arguments of type 'Nodes2'

For reference, a related question that shows more of the actual classes in question: https://www.mathworks.com/matlabcentral/ans...

ongeveer 2 jaar ago | 1

Answered

appdesigner, choosing from dropdown different functions

I suspect your problem is that your conditional is flawed. To test, put in an "else" to check if your conditional is not being m...

appdesigner, choosing from dropdown different functions

I suspect your problem is that your conditional is flawed. To test, put in an "else" to check if your conditional is not being m...

ongeveer 2 jaar ago | 0

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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...

ongeveer 2 jaar 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...

ongeveer 2 jaar ago

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Shift a curve in logarithmic scale

shifting in log scale is actually a multiplication, not an addition - is that what you need?

Shift a curve in logarithmic scale

shifting in log scale is actually a multiplication, not an addition - is that what you need?

ongeveer 2 jaar ago | 0

| accepted

Solved

Vector creation

Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

ongeveer 2 jaar 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 ...

ongeveer 2 jaar 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 ...

ongeveer 2 jaar ago

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Whether the input is vector?

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

ongeveer 2 jaar 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.

ongeveer 2 jaar 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...

ongeveer 2 jaar ago

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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 ...

ongeveer 2 jaar ago

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How to trasform from cell to matrix and transpose from horizontal to vertical at the same time?

Just change your cat dimension to 1, then transpose later. Data.my_cell = {rand(1,101);rand(1,101);rand(1,101)} m = cat(1,Data...

How to trasform from cell to matrix and transpose from horizontal to vertical at the same time?

Just change your cat dimension to 1, then transpose later. Data.my_cell = {rand(1,101);rand(1,101);rand(1,101)} m = cat(1,Data...

ongeveer 2 jaar ago | 1

Answered

Can I change my UIFigure size while maintaining location of elements in figure?

I think you may be able to achieve what you want using the uigridlayout, see if this example works on 2019b (I'm on 2022a). The...

Can I change my UIFigure size while maintaining location of elements in figure?

I think you may be able to achieve what you want using the uigridlayout, see if this example works on 2019b (I'm on 2022a). The...

ongeveer 2 jaar ago | 0

| accepted

Answered

Heatmap is too Thin in Figure

imshow() asserts 1:1 aspect ratio to show the image, so you can manually change the axes Position property after setting DataAsp...

Heatmap is too Thin in Figure

imshow() asserts 1:1 aspect ratio to show the image, so you can manually change the axes Position property after setting DataAsp...

ongeveer 2 jaar ago | 0

Answered

Implementing Crank Nicholson in spherical setting

I believe this should be the right formulation for CN (taking a few liberties interpreting your problem). If you want speed, pr...

Implementing Crank Nicholson in spherical setting

I believe this should be the right formulation for CN (taking a few liberties interpreting your problem). If you want speed, pr...

meer dan 2 jaar ago | 2

Answered

Implementing Crank Nicholson in spherical setting

For one thing, your boundary conditions (as developed on your pdf) don't look right. At r=0, you can just directly use Eq 8 LHS...

Implementing Crank Nicholson in spherical setting

For one thing, your boundary conditions (as developed on your pdf) don't look right. At r=0, you can just directly use Eq 8 LHS...

meer dan 2 jaar ago | 1

Question

Built in look-up style interpolation of timetables for non-numeric data?

Is there no built-in function similar to interp1 for numeric data, that can operate on timetables with arbitrary data types? So...

meer dan 2 jaar ago | 1 answer | 0

Answered

For loop to carry value down depending on another matrix value

In your example, there is a "delay" by 1 row when your switch from 0 to -1 occurs, so the following answer is not exactly produc...

For loop to carry value down depending on another matrix value

In your example, there is a "delay" by 1 row when your switch from 0 to -1 occurs, so the following answer is not exactly produc...

meer dan 2 jaar ago | 0

| accepted

Answered

There used to be a function RefineMesh in Matlab used in solving ODE's, but it is now used for PDE's and isn't the same function. Is there a new function for the old purpose?

The workflow above only re-evaluates the "static" solution of ode45 at more data points by an interpolation scheme consistent wi...

There used to be a function RefineMesh in Matlab used in solving ODE's, but it is now used for PDE's and isn't the same function. Is there a new function for the old purpose?

The workflow above only re-evaluates the "static" solution of ode45 at more data points by an interpolation scheme consistent wi...

bijna 3 jaar ago | 0