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monkeyquant


Last seen: 1 year ago |  Active since 2021

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Run Actxsrver from the deployed DLL for Excel
I created an excel based report template which will be used to allocate calculated data from MATLAB. In the code, I save the tem...

1 year ago | 0 answers | 0

0

answers

Question


How to covert rownames to the first variable in the table?
I have a table with rownames (nuemric value) and want to convert it to a table with a newly added variable from the rownames.

2 years ago | 1 answer | 0

1

answer

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Readtable can not handle with multiple sheets?
In my case, I use the first sheet (or any sheet) to identify sheet name, ranges (first cell and last cell) for each sheet. I eve...

2 years ago | 0

Question


How to assign rownames and field names (variable names) to tables in table after loading several listobjects from a excel file by using actixserver?
I read several ListObjects (ranges) into a cell array (because I am using actxserver), convert it to a table, cell2table, assign...

2 years ago | 0 answers | 0

0

answers

Question


How to write my function output in various form?
Many MATLAB functions have options to spit out various forms of outputs. I have a function spitting out 7 arrays. I would like t...

2 years ago | 3 answers | 0

3

answers

Solved


Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

3 years ago

Solved


Find the Best Hotels
Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...

3 years ago

Solved


Crop an Image
A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...

3 years ago

Solved


Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

3 years ago

Solved


Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...

3 years ago

Solved


Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...

3 years ago

Solved


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

Solved


Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

3 years ago

Solved


Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

3 years ago

Solved


Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

3 years ago

Solved


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...

3 years ago

Solved


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:...

3 years ago