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# Grant

Active since 2012

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Georeference arbitrarily orientated matrix with corresponding lat/lon data
I have a 12 x 12 matrix of data ('data'). I also have a 12 x 12 matrix of the corresponding latitudes ('lat')of each cell and an...

nästan 5 år ago | 1 answer | 0

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Question

Executing 'datetick' shifts plot, no longer lines up with x-axis
I plot a graph with plotyy, which should line up against an x-axis from the 8th Nov 2016 to 25 Jan 2017. The variable Datenum_8N...

nästan 5 år ago | 1 answer | 0

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Question

Plot a graph that interpolates between NaNs?
I'm plotting a line graph with two y vectors against an x vector (using plotyy). Both of the y vectors have data gaps as NaNs. W...

mer än 5 år ago | 2 answers | 0

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Question

Define a text string and use in variable name throughout script
I have the following script. d181_b1, d181_b2 and d181_b3 are matrices. d181 indicates the 181st day and I want to quickly edit ...

mer än 6 år ago | 2 answers | 0

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Question

Perform command on whole structure (reduce size)
Hello I have a data structure (named 'Data'). It is a mix of two and three tiers. It consists of a load of data arrays in rough...

ungefär 7 år ago | 1 answer | 0

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Question

Opening netcdf - Only displays one cell
I've downloaded this file: http://websrv.cs.umt.edu/isis/images/a/a5/Greenland_5km_v1.1.nc from NASA's SEARISE website - G...

mer än 9 år ago | 1 answer | 0

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Question

Repeat each page of 3d matrix 24 times
So as part of a script I have: totmelt(:,:,day)=daymelt2; Daymelt2 is a 2d matrix, and day is the day of the year (1:365)....

mer än 9 år ago | 2 answers | 0

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Question

Permute problem - unexpected Matlab operator
I have a 3d dimensional array 'totmelt' that is 112 x 1381 x 601. I want to transpose it so that it's 1381 x 601 x 112. My...

mer än 9 år ago | 1 answer | 0

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Question

roipoly help - colours display badly (so unable to define)
I have a 1660 x 986 matrix with values up to 2500 (it represents a digital elevation model). I need to define an area using r...

mer än 9 år ago | 2 answers | 0

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Answered
Interp2 - make resolution lower
Thanks, but it appears I don't have griddenInterpolant in my toolbox. I'd also prefer to use interp2 to ensure I'm consistent...

mer än 9 år ago | 0

Question

Interp2 - make resolution lower
I have a matrix 'I' representing a digital elevation model, with a pixel resolution of 90m. I need to lower the resolution to 25...

mer än 9 år ago | 3 answers | 0

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Question

Reducing DEM resolution from 90 to 250m
Hi I have a digital elevation model with a resolution of 90m. I want to reduce it to 250m - a common dem resolution. Is this...

mer än 9 år ago | 0 answers | 0

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Question

Masking out non-roi area
I have a digital elevation model as an image file. I created a binary mask of the roi using roipoly but I can't see how to apply...

mer än 9 år ago | 2 answers | 1

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Question

Smoothing a 2d matrix (DEM)
Hi I have a 2d matrix of integers, representing a digital elevation model of a glacier. I need to smooth it - interpolate bet...

mer än 9 år ago | 1 answer | 0

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Question

Awkward copy/paste question
I've a very frustrating problem: I have some very large matrixes like this (69 x 2311): nan nan 1 nan nan 1 0 na...

mer än 10 år ago | 1 answer | 0

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