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Calculate mean of gray Value

Try this. Below I'm creating an example matrix M, and calculate the mean of only the values that exceed zero: M = peaks(100); ...

Calculate mean of gray Value

Try this. Below I'm creating an example matrix M, and calculate the mean of only the values that exceed zero: M = peaks(100); ...

10ヶ月 前 | 1

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Interpolation or meshgrid...Error using matlab.internal.math.interp1

Ah, it looks like tt_sort and tt2_sort are in fact sorted, but they contain some duplicate values. The easiest way to work aroun...

Interpolation or meshgrid...Error using matlab.internal.math.interp1

Ah, it looks like tt_sort and tt2_sort are in fact sorted, but they contain some duplicate values. The easiest way to work aroun...

10ヶ月 前 | 0

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Median filter for an imported Excel file (removing spikes from a signal)

For a 3-point moving median, you can medfilt1 as you suggest, like this: weg_f = medfilt1(weg,3); Or similarly, you could us...

Median filter for an imported Excel file (removing spikes from a signal)

For a 3-point moving median, you can medfilt1 as you suggest, like this: weg_f = medfilt1(weg,3); Or similarly, you could us...

10ヶ月 前 | 0

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How to extract specific parts of a matrix

Let's see if I understand what you're trying to do. As I understand it, you have a 512x512 matrix with lots of values of 98 on t...

How to extract specific parts of a matrix

Let's see if I understand what you're trying to do. As I understand it, you have a 512x512 matrix with lots of values of 98 on t...

10ヶ月 前 | 1

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Plotting the trend line without plotting the data

Or more simply, polyplot(wspd_3yr,msid_3yr) using the polyplot function found here.

Plotting the trend line without plotting the data

Or more simply, polyplot(wspd_3yr,msid_3yr) using the polyplot function found here.

10ヶ月 前 | 0

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trend line plotting question

I've written a simple function called polyplot to add a linear trend line to plots. Get it on the File Exchange here.

trend line plotting question

I've written a simple function called polyplot to add a linear trend line to plots. Get it on the File Exchange here.

10ヶ月 前 | 0

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How to Plot Time Series Data of a Temperature Map

Hi John, A couple of things: Location number 7 is in Antarctica! The sea surface temperature data is all NaN on land, so ave...

How to Plot Time Series Data of a Temperature Map

Hi John, A couple of things: Location number 7 is in Antarctica! The sea surface temperature data is all NaN on land, so ave...

10ヶ月 前 | 1

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Climate Data Toolbox: how can i calculate correctly a trend with trend function?

Hi Alessandro, I think you've mostly got it. One key point to note is your sampling frequency is monthly, so 12 times per year...

Climate Data Toolbox: how can i calculate correctly a trend with trend function?

Hi Alessandro, I think you've mostly got it. One key point to note is your sampling frequency is monthly, so 12 times per year...

10ヶ月 前 | 0

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Making a Map Image from a Matrix

With the Climate Data Toolbox you could do it like this: T = flipud(reshape(load('TS20040101.txt'),[72 144])); % loads, reshape...

Making a Map Image from a Matrix

With the Climate Data Toolbox you could do it like this: T = flipud(reshape(load('TS20040101.txt'),[72 144])); % loads, reshape...

10ヶ月 前 | 2

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Control Text Label on plot with categorical axis

Have you tried using the 'vertical' and 'horizontal' alignment options? plot(5,6,'o') text(5,6,'default text') text(5,6,'ab...

Control Text Label on plot with categorical axis

Have you tried using the 'vertical' and 'horizontal' alignment options? plot(5,6,'o') text(5,6,'default text') text(5,6,'ab...

10ヶ月 前 | 1

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回答済み

Calculating values of a dependent variable at a using a range of independent variables

Welcome to the world of Matlab, Tom. Indeed, I think this is pretty straightforward. To make a range of values of Temp between...

Calculating values of a dependent variable at a using a range of independent variables

Welcome to the world of Matlab, Tom. Indeed, I think this is pretty straightforward. To make a range of values of Temp between...

11ヶ月 前 | 0

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Mapping sea surface temp with specific location? Struggling with geoshow function?

For 3D data cubes of things like ocean temperature, you most often need to permute the first two dimensions when reading in from...

Mapping sea surface temp with specific location? Struggling with geoshow function?

For 3D data cubes of things like ocean temperature, you most often need to permute the first two dimensions when reading in from...

11ヶ月 前 | 1

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回答済み

how to fill geographic plot region with specific color?

To fill the circle, check out the markerfacecolor option in the documentation for geoplot. Alternatively, you may prefer the geo...

how to fill geographic plot region with specific color?

To fill the circle, check out the markerfacecolor option in the documentation for geoplot. Alternatively, you may prefer the geo...

11ヶ月 前 | 1

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Error with plotting a function

Try this: plot(t,(K.^(1 - (exp(t.*r.*-1)))), '-b'); I put a dot (.) before the exponents and multiplication. That turns it in...

Error with plotting a function

Try this: plot(t,(K.^(1 - (exp(t.*r.*-1)))), '-b'); I put a dot (.) before the exponents and multiplication. That turns it in...

11ヶ月 前 | 0

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How to create a best fit line here?

It looks like the first x value is -Inf. Try eliminating that point from the polynomial fit, like this: p = polyfit(x(2:end),y...

How to create a best fit line here?

It looks like the first x value is -Inf. Try eliminating that point from the polynomial fit, like this: p = polyfit(x(2:end),y...

11ヶ月 前 | 0

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How do I set each legend on the curve in multiple plot?

Perhaps the issue isn't the legend, but plotting the desired colors? How about specifying the colors of the plots explicitly, li...

How do I set each legend on the curve in multiple plot?

Perhaps the issue isn't the legend, but plotting the desired colors? How about specifying the colors of the plots explicitly, li...

11ヶ月 前 | 1

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How do I smooth a dataset without built in functions

It's not quite empty--it's just plotting a single point as a tiny dot. That's because you've only solved for a single point. I...

How do I smooth a dataset without built in functions

It's not quite empty--it's just plotting a single point as a tiny dot. That's because you've only solved for a single point. I...

12ヶ月 前 | 1

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crameri perceptually uniform scientific colormaps

Perceptually uniform scientific colormaps from Fabio Crameri.

12ヶ月 前 | ダウンロード 53 件 |

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Mapping a Coastline of the Antarctic showing different boundaries

To make maps of Antarctica, try Antarctic Mapping Tools. For melt data you might cosider my plugin for the Adusumilli ice shelf ...

Mapping a Coastline of the Antarctic showing different boundaries

To make maps of Antarctica, try Antarctic Mapping Tools. For melt data you might cosider my plugin for the Adusumilli ice shelf ...

約1年 前 | 0

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Plotting different colored line based on condition(s)

What if you create two lines and plot them separately? x = 0:1000; y = sind(x); % duplicate: y_red = y; y_red(y>0) = ...

Plotting different colored line based on condition(s)

What if you create two lines and plot them separately? x = 0:1000; y = sind(x); % duplicate: y_red = y; y_red(y>0) = ...

1年以上 前 | 2

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How can I regrid a climate data model from lower resolution to higher resolution?

If you have a grid of humidity data H that correspond to the 2.5 degree resolution coordinates lat and lon, then you just need t...

How can I regrid a climate data model from lower resolution to higher resolution?

If you have a grid of humidity data H that correspond to the 2.5 degree resolution coordinates lat and lon, then you just need t...

1年以上 前 | 1

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Convert large xyz file into grid

Try my xyz2grid function. It's fast, easy to use, and one of the examples in that documentation link shows how to grid up an Ant...

Convert large xyz file into grid

Try my xyz2grid function. It's fast, easy to use, and one of the examples in that documentation link shows how to grid up an Ant...

1年以上 前 | 0

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Plot netcdf datas through time

The answer depends on exactly what you want to display. Do you want 12 different maps, to show salinity distribution for each mo...

Plot netcdf datas through time

The answer depends on exactly what you want to display. Do you want 12 different maps, to show salinity distribution for each mo...

1年以上 前 | 0

質問

Why is MATLAB using my network?

I'm using a wifi hotspot and I want to minimize my data usage. Unfortunately, whenever I have MATLAB R2019b open, it seems to be...

1年以上 前 | 3 件の回答 | 1

送信済み

borders

Simply plot national and US state boundaries, with or without Matlab's Mapping Toolbox.

2年弱 前 | ダウンロード 59 件 |

質問

Disable automatic Data Tips

I've just updated from R2018b to R2019b, and now every time I click on a plot, it prints a new Data Tip without my asking it to....

約2年 前 | 1 件の回答 | 1