# Pappu Murthy

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Professional Interests: signal processing

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Question

How to control the font of Contour "ShowText" option?

I am generating 2-D contour filled plot using the function "contourf". Further I specify levels and mark the levels with "ShowTe...

1 year ago | 3 answers | 0

### 3

answersQuestion

Deep Neural LSTM Network Issues

I am training a Deep Neural Net with a regression layer in the end. I have 20 inputs and a sequence of output with 10 steps. I ...

2 years ago | 1 answer | 0

### 1

answerQuestion

What does this Digital filter actually do? and what is it called?

I am using a filter defined by Matrix [1 1 1 1 1;1 2 2 2 1; 1 2 4 2 1; 1 2 2 2 1; 1 1 1 1 1]; on a 2 D image with filter2. I...

2 years ago | 1 answer | 0

### 1

answerQuestion

What is ICMFrequency? and How do you specify it?

I came across with an issue while fitting ecdf function for a large dataset (>700 ). When I specify the NameValue parameter "ICM...

2 years ago | 1 answer | 0

### 1

answerQuestion

Empirical CDF with data containing left censored, exact and right censored failures.

My data consists of left censored, exact failures and right censored points. I am trying ecdf by considering data in two differe...

2 years ago | 1 answer | 0

### 1

answerQuestion

Sobol First order and total sensitivities

I have 19 input variables and two outputs. I am focusing on one at a time. I have a closed form model flike Y = F(x1, x2, x3.......

2 years ago | 0 answers | 0

### 0

answersQuestion

Deep Neural Net for Regression

I am training a NN with 19 inputs and two outputs. I have 1000 random observations, and I am using the first 800 for training, t...

2 years ago | 1 answer | 0

### 1

answerQuestion

Need to find "Knees" in Stress Strain curves where slope change abruptly

I have stress strain curve which is basically peicewise linear. I need to find everytime there is a sudden change in the slope, ...

2 years ago | 1 answer | 0

### 1

answerQuestion

how to use betafit for a data that is outside the range of 0 to 1.?

I have numbers between 10 to 20. If I try to use betafit it refuses to fit because the range is not from 0 to 1. If I have numbe...

2 years ago | 1 answer | 0

### 1

answerQuestion

How to test montonousness of X Y data

I have sets of XY data with anywhere from 1 to 10 elements in it. I need to check whether x vs y is montonously increasing or no...

2 years ago | 1 answer | 0

### 1

answerQuestion

Adding text programmatically to a figure

I have a figure with several subplots in it. I want to place a textbox with some text init which belongs to the entire figure. H...

2 years ago | 2 answers | 0

### 2

answersQuestion

I am struggling a lot in my NN project

I have 20 inputs and one output. I am trying to train using the Deepnetwork work flow. I tried several combinations of hidden la...

2 years ago | 1 answer | 0

### 1

answerQuestion

writecell command is not working.

When trying to write cell with only entity it does not work. if I have more than one entity it works fine. For e.g. Hdr1 = {'T...

3 years ago | 1 answer | 0

### 1

answerQuestion

feedforward net for regression.

I have 1000 sets of data. each set consists of 4 input variables and one output variable. Variables 1, 2, and 3 remain same but ...

3 years ago | 1 answer | 0

### 1

answerQuestion

Global sensitivity analysis with Input and output data only

I have a Matrix of input variables that were drawn from uniform distribution with in a specified range. My matrix is like [10000...

3 years ago | 1 answer | 0

### 1

answerQuestion

I want to stop, check and restart an ongoing feedforward neural net.

Suppose i am training a network with net = train(net,x,t) where x inputs, and t targets. let us say I want to check how well th...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to center Column names in table

I use the uiStyle to make all my table entries to whichever type allignment I desire but the column names always seem to be left...

3 years ago | 1 answer | 0

### 1

answerStand alone executable using mlapp file

I found the answer. I had name syntax wrong. I had spaces in between which it didn't like. So I replaced the spaces with Undersc...

3 years ago | 0

| accepted

Question

Stand alone executable using mlapp file

I have created an App using the app designer. I am trying to compile. I created a project and specified all the relevant detail...

3 years ago | 2 answers | 0

### 2

answersQuestion

Matlab barchart question.

I get this strange error (screen shot attached) when I save the figure as ".emf", or ".bmp" but no error at all when I tried to ...

3 years ago | 2 answers | 0

### 2

answersQuestion

NeuralNET with Categorical Variables.

I am trying to train a NN with a set number of Input variables, say "n", and a set of outputs say "m". I have two categories 1 a...

3 years ago | 0 answers | 0

### 0

answersQuestion

Neural Net training function parameters

I am trying to use the algorithm trainbr for my feedforward neural net and trying to set up max number of epochs to 5000, using ...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to add the "Plottools" icon to plot control ribbon.

Whenever I create a plot, it used to have on top left corner a ribbon with icons, one of which is "plottools" when I click it th...

3 years ago | 1 answer | 0

### 1

answerQuestion

Location of centers of Circular regions

I have a square region digitized to 40x40 grid. Each cell is denoted either by 1 or by 2. The 1's show circular regions for whic...

3 years ago | 2 answers | 0

### 2

answersQuestion

Heat Map Cell values display

I noticed the cell values are displayed with arbitrary size and with 'normal' fontweight. I wonder whether one can choose, the ...

3 years ago | 1 answer | 0

### 1

answerQuestion

Display format of numbers shown

I have generated heatmap of 7x7 cells. It shows some floating point numbers on each square like 0.0123 and so on. There are 4 d...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to find what settings "tsne" is using when I do not specify any Name Value pairs as options?

If I use tsne with out any Name Value pair options, is there a way to find what parameters the code is using internally? Is ther...

4 years ago | 1 answer | 0

### 1

answerQuestion

Mixed data types in a Table

I have an app developed using app Designer. I have a table with 5 rows and 3 columns. These are usually double type and my numb...

4 years ago | 1 answer | 0

### 1

answerQuestion

How to eliminate Repeated NaNs in a array?

I have two vectors X, and Y; both will have NaNs present in them. If X has a NaN, Y will have a NaN as well at the same locatio...

5 years ago | 1 answer | 0

### 1

answerQuestion

How to use format spec to read in Textscan?

I have a string '-2.554-4'. This when I read using textscan I get two numbers -2.554 and -4. However it should be actually -2.55...

5 years ago | 1 answer | 0