# Ravi Narasimhan

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Off-and-on Matlab user since ~1993. Now a Matlab Home licensee in addition to work.

**Programming Languages:**

MATLAB

**Spoken Languages:**

English

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Question

For TMW staff: Matlab Home/Cloud drive connector/macOS Mojave

Did TMW just drop support for Cloud Drive/Connector on macOS Mojave? I got my R2021a license on 31 August 2021 and the Connecto...

2 years ago | 1 answer | 0

### 1

answerWhat should go in a next-generation MATLAB X?

Here are some low-falutin' features I'd like to see. My perspective: Periodic Matlab user who mostly likes the tool but has fru...

2 years ago | 0

Question

Browsing FileExchange/Addons in simple tabular vs. icon format?

Question for TMW staff who may be checking in: I'm a Matlab Home (R2021a) and Online (R2021b) user It takes a lot of scrolling...

2 years ago | 1 answer | 1

### 1

answerHow to trim time series?

Are you trying to discard elements 129 through 255? If so, Z(129:end) = []; % Discard the unwanted elements or Z=Z(1:128); %...

2 years ago | 0

| accepted

Surf command to plot simple surface

Did you intend to do an element-by-element multiply on X and Y? https://www.mathworks.com/help/matlab/ref/times.html close a...

2 years ago | 0

| accepted

How to name Array with each of my Arrays in a bulk folder?

I believe what you are requesting (dynamically naming variables) can be done but is strongly discouraged. Here is a reference f...

2 years ago | 0

Question

Problems opening documentation examples in Matlab Online

I have access to Matlab Online via a Matlab Home license. Issue: Many example scripts/LiveScripts in Matlab docs do not open i...

2 years ago | 0 answers | 4

### 0

answersSolved

The Piggy Bank Problem

Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

2 years ago

How to use a Python file in Matlab?

Matlab offers a roots function to compute roots of polynomial (help roots). Is there some reason that won't work for you?

3 years ago | 0

Write a matlab code to generate a 1 X N matrix with values in the range of 1-100 according to a normal distribution with mean= 0 and variance=1

The documentation for the randn function may be of interest.

3 years ago | 0

exponential curve fit coefficients

See the answer to a similar question in: https://www.mathworks.com/matlabcentral/answers/1448569-queston-for-school-linearize-a...

3 years ago | 0

Interpolation problem with interp1

Not sure what your R vector represents but it seems like you are trying to use a loop to interpolate within a one-dimensional ar...

3 years ago | 0

Question

Hooking Matlab Online to a local Python installation?

I have a Matlab Home license and access to Matlab Online. Is it possible to connect Matlab Online to a local Python installatio...

3 years ago | 2 answers | 0

### 2

answersSolved

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: 2 _x₁_ + _x₂_ = 2 _x₁...

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