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Mark Smith


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Question


AOCL Libraries version 4.1 were released in August 2023. Is there a problem with using them with Matlab of any version
I substituted the AOCL version 4.1 libraries for Blas and Libflame and have about a 10% max improvement over the use of Intel li...

environ un an il y a | 1 réponse | 0

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Question


Parsing of financial data file that is very irregular in format
Thanks in advance for any responses. I am a retired engineer with some programming experience and am working to use Matlab for ...

plus de 4 ans il y a | 1 réponse | 0

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A résolu


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

plus de 4 ans il y a

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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...

plus de 4 ans il y a

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

plus de 4 ans il y a

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

plus de 4 ans il y a

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Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

plus de 4 ans il y a

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

plus de 4 ans il y a

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Add two numbers
Given a and b, return the sum a+b in c.

plus de 4 ans il y a

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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 ...

presque 5 ans il y a

A résolu


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

presque 5 ans il y a

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

presque 5 ans il y a

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ASCii Code
Using Matlab get the ASCii for '?'

environ 5 ans il y a

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Guess Cipher
Guess the formula to transform strings as follows: 'Hello World!' --> 'Ifmmp Xpsme!' 'Can I help you?' --> 'Dbo J ifmq zpv...

environ 5 ans il y a

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Calculate the area of a circle
Given a circle of diameter x calculate its area

environ 5 ans il y a

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How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for.

environ 5 ans il y a

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Is my wife right?
Regardless of input, output the string 'yes'.

environ 5 ans il y a

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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 y...

environ 5 ans il y a

Question


SAVE command: How to specify the variable to be saved if it is a variable inside an array. assignin has been used to create the variable from a string in an array.
Thank you again for your help. I am downloading several FED bond data series. The data is returned in a 21 x 11 structure. Th...

environ 5 ans il y a | 1 réponse | 0

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Réponse apportée
Are there any suggestions for writing files in a timewise sequential manner when the files are created by a parfor loop?
Edric Ellis provided a great answer in the first comment. I am using this "answer" so that I can accept the answer and close th...

environ 5 ans il y a | 0

| A accepté

Question


Are there any suggestions for writing files in a timewise sequential manner when the files are created by a parfor loop?
Thank you for any comments and help you may have for my question. Please feel free to comment on coding inefficiencies, etc., t...

environ 5 ans il y a | 1 réponse | 0

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Réponse apportée
Why are all the examples for matlab functions hindered by useless simplistic examples that do not show how all features of the functions work? One cannot determine how to use any function of any complexity with the examples given.
Many thanks for the inputs. I am not new to coding but new to mallab. I am currently building an app to perform financial anal...

plus de 5 ans il y a | 0

Réponse apportée
Why are all the examples for matlab functions hindered by useless simplistic examples that do not show how all features of the functions work? One cannot determine how to use any function of any complexity with the examples given.
I took a rant and dpq was kind enough to respond maturely. I agree entirely with dpq and will continue to wade through the mora...

plus de 5 ans il y a | 0

Question


Why are all the examples for matlab functions hindered by useless simplistic examples that do not show how all features of the functions work? One cannot determine how to use any function of any complexity with the examples given.
Take a look at any example and forward to me to prove me wrong.

plus de 5 ans il y a | 4 réponses | 1

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Question


Changing data type within a table from type table to any other data type
I have a table of stock market values of the following types: 4 columns of char data, 7 columns of "numeric" data , and 7 column...

plus de 5 ans il y a | 1 réponse | 0

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Question


How can font types be recognized to allow code to act on text of different font type in a scanned textual document
I am new to Matlab, feel free to abuse me. I have performed internet search and search in Mathworks resources on this subject a...

presque 6 ans il y a | 1 réponse | 0

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