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Question

How can I plot a latitude / longitude point on a geotiff? (Without mapping toolbox.)

Hi. I have some geotiffs in geographic coordinates (WGS84) from various areas around the globe. I also have a list of points, de...

5 years ago | 1 answer | 0

### 1

answerSubmitted

RivMAP - River Morphodynamics from Analysis of Planforms

Toolbox for analyzing channel masks - centerlines, banklines, widths, migration rates, cutoffs

5 years ago | 20 downloads |

How to get different scaling with the same range on the same axis?

I don't know of any commands that accomplish what you want, but you could rescale your y-axis, plot normally, then set your tick...

6 years ago | 1

Assigning a variable to any value in a matrix

Try this for x = 1:10 if sum(x + Matrix(:) == 5) > 0 disp(x) end end

6 years ago | 0

I am writing a code where user clicks a point in hole and it has to be filled with white.I am not allowed to use imfill.

A possible but perhaps slow solution is: 1. Get list of all holes in the image. There are a few ways to do this; you can use ...

6 years ago | 0

In a sequence of 0 and 1, how to make sure that no same values appear more than 2 times consecutively?

Just modify your loop a little bit: for i = 3:length(nums) if nums(i) == nums(i-1) && nums(i) == nums(i-2) ...

6 years ago | 0

How do I find more than one max, min and intersections values for different segments of the graph?

On the file exchange, look for peakdet.m for peaks/valleys and intersections.m for intersections (there are many types of both f...

6 years ago | 0

Plot a variable against multiple independent variables.

http://www.mathworks.com/help/matlab/creating_plots/plotting-with-two-y-axes.html Also search plotyy on the file exchange. ...

6 years ago | 1

How do I find fork points of a skeleton? By fork point, I mean, a skeleton point having more than two adjacent points. Please help.

Have you tried branchpoints? http://www.mathworks.com/help/images/ref/bwmorph.html

6 years ago | 1

| accepted

x = [12 54 21 36 27 19 16 78 65 43 38 91 5 8 3 18] how can i find elements of x (the values of x) such that xi<=30 and 30<=xi<=50

Look at the find() function. You can use logical operators like < , > , and = . Just try some things and see what happens.

7 years ago | 0

How to remove first three columns from a text file?

blah = importdata('1_rowdel.txt'); datayouwant = blah.data; save('mydata.txt','datayouwant','-ascii')

7 years ago | 0

how would I create a 6x6 matrix with evenly distributed values from -10 to 10?

Not entirely sure how you want the values distributed (by row or column), but see if this helps: Msize = 6; n = Msize^2;...

7 years ago | 1

| accepted

Question

Is it possible to get signed curvature from splines of a non-single-valued curve?

I am trying to compute the curvature of a meandering river centerline. I have been using a method of finding the angle of the ce...

7 years ago | 0 answers | 2

### 0

answersany size of matrix

Kinda confusing what you're asking. If your input matrix is M, just write ones(size(M)) for a matrix of ones the sam...

7 years ago | 0

| accepted

How do I stop a code from continuing ifelse statements?

http://www.mathworks.com/help/techdoc/ref/return.html http://www.mathworks.com/help/techdoc/ref/break.html Take your pick....

7 years ago | 0

| accepted

Looking to plot a known, single value variable, against another, single value variable, for a range of figures

y = 0:1:100; % can change this range to whatever you want; the middle number is the interval R1 = (m*(L*7.22)*(f*cosd(y...

7 years ago | 0

How to generate vectorgraphic pdf from MATLAB?

http://www.mathworks.com/matlabcentral/fileexchange/23629-export-fig

7 years ago | 0

Stop for loop if F <= 0

Why are you opposed to using break? If you mean that you want to redraw a random number if F <=0, you could do something like th...

7 years ago | 0

combine 2 image results of segmentation, into one of axes

I may not understand the question, but why not just use segmented portions 5 and 6 as a mask on the original BW image? I guess t...

7 years ago | 0

| accepted

resizing all images in a folder

Yep. Try the following function: dc = dir('*.jpg'); but set the filetype to whatever the images are. Make sure your work...

7 years ago | 0

| accepted

Terminate function after 5 minutes

Using Google, I found this: http://www.mathworks.com/matlabcentral/answers/20237-time-dependent-programs

7 years ago | 0

how to make comments *not* wrap?

Did you even look through the Editor options in Preferences? There is a button you can uncheck to turn it off.

7 years ago | 2

Error: The expression to the left of the equals sign is not a valid target for an assignment.

I can't figure out why you're getting an error, but it works if you put square brackets around the expression, like this ra...

7 years ago | 1

displaying only even values in a for loop?

Use the _rem_ command. If the remainder is zero after dividing the number by 2, display it. I'm purposely not writing the code.

7 years ago | 0

repeating values in the loop

You are looping over j, but nothing in your equation is changing with respect to j. Only after all the j's are finished and i ch...

7 years ago | 0

| accepted

Noob problem: Defining a fumction and passing values issues an error "Subscript indices must either be real positive integers or logicals."

Runs fine on my machine-no errors. 2015a. Do you have a variable named SSD or zeros?

7 years ago | 0

| accepted

When you dilate and erode a binary image of a skeleton does the skeleton keep its proportion?

I do this exact procedure in the context of skeletonizing rivers to find their centerlines. I have to add the ends back after ru...

7 years ago | 0

Getting the mean value of a row in an array?

If you have an array called myarray that is mo x yearidx (as you state in your question) and you want the average of all mo == j...

7 years ago | 0

HOW TO REMOVE QUOTE MARK ?

What happens if you try tnum = str2num(cell2mat(t));

7 years ago | 0