SteenMoeller
commented
3 years ago I had not thought about that.
sq is just short for squeeze, and something that I made 20 years ago, when I thought that was a good idea.
I will update the demo example accordingly. I think I have it in all my Matlab versions and that is why it was missed too.
On Mon, Sep 13, 2021, 4:31 AM Cesar Caballero Gaudes < @.***> wrote:
Hello Steen, I'm trying to run the DEMO commands as follows, but got an error with the sq function. What's the function or variable sq? It might be possible that I am using a very old matlab version, but I could not find any function in Mathworks online help. Thanks very much, Cesar
script_for_creating_simulation_data NORDIC('demo_data_for_NORDIC.mat')
QQ=load('KSP_demo_data_for_NORDICkernel8') Q=load('demo_data_for_NORDIC') figure; clf subplot(2,2,1); imagesc(sq(real(Q.KSP(:,:,32,12))),[0 1]); title('Data + noise') subplot(2,2,2); imagesc(sq(real(Q.IMG(:,:,32,12))),[0 1]); title('Data w/o noise') subplot(2,2,3); imagesc(sq(real(QQ.KSP_update(:,:,32,12))),[0 1]); title('NORDIC processed') subplot(2,2,4); plot(sq(real(Q.KSP(20,25,32,1:end-2) - Q.IMG(20,25,32,1:end-1)))), hold on plot(sq(real(QQ.KSP_update(20,25,32,1:end) - Q.IMG(20,25,32,1:end-1)))) legend('difference before NORDIC','difference after NORDIC')
Undefined function 'sq' for input arguments of type 'double'.
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CesarCaballeroGaudes
Hello Steen, I'm trying to run the DEMO commands as follows, but got an error with the sq function. What's the function or variable sq? It might be possible that I am using a very old matlab version, but I could not find any function in Mathworks online help. Thanks very much, Cesar
script_for_creating_simulation_data NORDIC('demo_data_for_NORDIC.mat')
QQ=load('KSP_demo_data_for_NORDICkernel8') Q=load('demo_data_for_NORDIC') figure; clf subplot(2,2,1); imagesc(sq(real(Q.KSP(:,:,32,12))),[0 1]); title('Data + noise') subplot(2,2,2); imagesc(sq(real(Q.IMG(:,:,32,12))),[0 1]); title('Data w/o noise') subplot(2,2,3); imagesc(sq(real(QQ.KSP_update(:,:,32,12))),[0 1]); title('NORDIC processed') subplot(2,2,4); plot(sq(real(Q.KSP(20,25,32,1:end-2) - Q.IMG(20,25,32,1:end-1)))), hold on plot(sq(real(QQ.KSP_update(20,25,32,1:end) - Q.IMG(20,25,32,1:end-1)))) legend('difference before NORDIC','difference after NORDIC')
Undefined function 'sq' for input arguments of type 'double'.