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Monte-Carlo integration
Write a function that estimates a d-dimensional integral to at least 1% relative precision. Inputs: * d: positive integer....

3 years ago

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The Birthday Phenomenon
First off, leap years are not being considered for this. In fact the year that people are born shouldn't be taken into considera...

3 years ago

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Throwing Dice - Will You Be Eaten By The Dragon?
You and a dragon have agreed to let dice rolls determine whether it eats you or not. The dragon will roll a single die, of x ...

3 years ago

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Chess probability
The difference in the ratings between two players serves as a predictor of the outcome of a match (the <http://en.wikipedia.org/...

3 years ago

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Calculate Amount of Cake Frosting
Given two input variables r and h, which stand for the radius and height of a cake, calculate the surface area of the cake you n...

3 years ago

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Solve a System of Linear Equations
Example: If a system of linear equations in x₁ and x₂ is: 2x₁ + x₂ = 2 x₁ - 4 x₂ = 3 Then the coefficient matrix (A) is: 2 ...

3 years ago

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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...

3 years ago

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Make roundn function
Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

3 years ago

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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...

3 years ago

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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

3 years ago

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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

3 years ago

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Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. http://en.wikipedia.org/wiki/Whole_numb...

3 years ago

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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

3 years ago

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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

3 years ago

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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

3 years ago

Solved

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

3 years ago

Answered
Find the nearest two values in all grid cells to a specified value across a 3D matrix
Why squeeze the indices? Just use them to index (for which you need sub2ind). As for the second closest: the easiest way is to ...

3 years ago | 0

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Answered
Calling the error function does not print the line number in r2022b
I personally use my own customized versions of error and warning. They take an options struct as the first argument to determine...

3 years ago | 2

Answered
Pseudorandom character matrix generation
If you want a 10x10 char array, you can also use indexing: source = 'bdpq'; Array = source(randi(end,[10 10]))

3 years ago | 0

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Answered
If not with a xlsx file
You should have used isempty in your current code: if ~isempty(app.filename) For the test you now want to do, you should extra...

3 years ago | 0

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Saving file causes glitch
As a temporary workaround you can use this: edit my_script.m % should give you a popup asking if you want to create the file O...

3 years ago | 0

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Fitting data from file
You can specify those parameters, but what is much more effective is providing good initial guesses (and not mixing up x and y):...

3 years ago | 1

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Answered
get alpha (color) value of a line
I have no clue why this is hidden, but converting the object to a struct and hunting for a few appropriate candidates I found th...

3 years ago | 1

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Answered
Appending mixed types to strings seems a bit tricky. Is this the intended behaviour?
It helps to do this step by step, which show that (while unintuitive), this is intended behavior. Matlab evaluates code from le...

3 years ago | 3

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Answered
How to assign matrices to an array in a for loop
You can use a cell array: for i = 1:5 matrices{i} = [i*1 i*2 i*3; i*4 i*5 i*6; i*7 i*8 i*9]; end

3 years ago | 1

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Answered
APP Designer code convert to CPP code
Do you need to generate the C++ code, or is it also fine to end up a stand-alone executable? As the message indicates, UIFigure...

3 years ago | 0

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Difference between "||" and "&&" in my loop
The or operator means and/or, just like it does in mathematics. You can use the xor function (although no operator or short-circ...

3 years ago | 0

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How to reduce the file size of a saved histogram figure
You have two options that I'm aware of: # Change the underlying data so you reproduce the same bins with fewer data points. ...

3 years ago | 1

Answered
Computational cost of the commanda 'path'
Once you are at the stage where the profiler makes any sense at all, you should question why you are still using scripts instead...

3 years ago | 0

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Answered
Change exp from number to e
Your own suggestion actually works (although it requires a call to simplify): syms c1 c2 y(x) f(x) e y(x) = (e^2/(e^2+1))*e^(-...

3 years ago | 0

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