# Srh Fwl

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Interpolation based on three arrays. Problem: entering values for two parameters to get a third gives me the nearest input data values (no interpolation).

I have measured temperature, pressure, and volume of something and now have a file where there are three columns: T, P, and V. ...

3 months ago | 1 answer | 0

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answerQuestion

Is it possible to use Matlab to get expressions for the coefficients in polynomial regression? (I.e., not just constant coefficients)

I'm trying to modify one section of an old code so that it uses my new data for one of its parameters. The code expresses an eq...

4 months ago | 2 answers | 0

### 2

answersQuestion

How can I fill in the area between two curves? The curves are not the same length and also don't form a closed shape.

The plot at the top is an example of what I have. There are two data series. The top series (filled squares) represe...

6 months ago | 1 answer | 0

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answerQuestion

How can I identify only the first or first two local minima from "islocalmin" and then display it in a table on a plot?

I have plots that look like the example below. There are several curves that look like horizontal waves. For each one, there i...

11 months ago | 1 answer | 0

### 1

answerQuestion

Plot design resources?

I'm not sure if this is an appropriate question for the forum. If it isn't, please let me know. I routinely make Matlab line...

1 year ago | 1 answer | 0

### 1

answerQuestion

How can I find the Y value on an X–Y plot that corresponds to the tangent of the flattest part of a curve?

I have plots like the one attached. At Y >0, the curve plateaus (flattens) before it increases sharply. I need to find the ...

1 year ago | 2 answers | 0

### 2

answersQuestion

Is there a simple way to omit legend entries?

I have plotted figures where there are numerous diagonal reference lines. I only need one line to appear in the legend. Howe...

1 year ago | 1 answer | 0

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answerHow can I plot a reference line of slope 1 on a loglog plot?

Figured it out. xref = 10.^(-1:.1:3); yref = xref plot(xref,yref)

1 year ago | 0

| accepted

Question

How can I plot a reference line of slope 1 on a loglog plot?

I am not an experienced Matlab user and would appreciate advice on adding diagonal reference lines to loglog plots. I.e., the l...

1 year ago | 1 answer | 0

### 1

answerQuestion

Problem plotting 1D array versus table column: I want a single curve/series but am instead getting a separate series for every array element.

I have used Matlab's "Import Data" facility to import a single column of data from a file. I can plot it by doing this: plot(m...

1 year ago | 1 answer | 0

### 1

answerQuestion

Is it possible to manipulate a plot axis; i.e., divide values by 1000 so that the x axis range is 0 to 300 instead of 0 to 300000 and also get rid of exponential notation?

I am making X–Y plots of results from very long simulations. Right now, my plots are unsightly because: The X axis goes from 1...

1 year ago | 2 answers | 0

### 2

answersQuestion

Grid a plot with diagonal lines

I would like to plot a diagonal grid where there are three or four lines of positive slope=1 like in the figure attached. I don...

2 years ago | 2 answers | 0

### 2

answersQuestion

In a matrix column/array, how can I turn all numbers higher than a certain value into nans?

I have a 1 D array (column) of measured data (that I ultimately append to a matrix). I want to plot the data. There are numb...

2 years ago | 1 answer | 0

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answerQuestion

How to take an average of row elements in a two-column matrix when both elements do not contain a NaN, but use only the non-NaN value when there is a NaN?

I have a matrix with two columns of data. The data are measurements collected at the same times from different sensors, TT1 and...

2 years ago | 1 answer | 0

### 1

answerQuestion

How can I concatenate a "datetime" column to a matrix of numbers?

I have imported a table from an external file via textscan. For example: A = rawCellColumns2(:, 1); B = cell2ma...

2 years ago | 1 answer | 0

### 1

answerQuestion

For elements in two arrays/columns of numbers, how can I find the average only if both elements are non-zero?

I have many external files. Each file contains two long columns of numbers, like this: 1 2 11 12 6 48 9...

2 years ago | 1 answer | 0