http://www.k-wave.org/forum/topic/problem-about-use-kspacefirstorder2dg Support for the k-Wave MATLAB toolbox en-US Tue, 12 May 2026 22:28:44 +0000 http://bbpress.org/?v=1.0.2 q http://www.k-wave.org/forum/search.php http://www.k-wave.org/forum/topic/problem-about-use-kspacefirstorder2dg#post-8991 Mon, 18 Dec 2023 04:06:22 +0000 shahwaiz 8991@http://www.k-wave.org/forum/ <p>i have resolve this problem by install the matlab2016a </p> http://www.k-wave.org/forum/topic/problem-about-use-kspacefirstorder2dg#post-8990 Sun, 17 Dec 2023 10:33:47 +0000 shahwaiz 8990@http://www.k-wave.org/forum/ <p>Hello</p> <p>I get the following error when i use the kspaceFirstOrder2DG:</p> <p>Running k-Wave simulation...<br /> start time: 17-Dec-2023 17:28:54<br /> reference sound speed: 2783.7252m/s<br /> dt: 10.7769ns, t_end: 48.2699us, time steps: 4480<br /> input grid size: 512 by 512 grid points (51.2 by 51.2mm)<br /> maximum supported frequency: 7.5MHz<br /> expanding computational grid...<br /> computational grid size: 552 by 552 grid points<br /> WARNING: Highest prime factors in each dimension are 23 23<br /> Use dimension sizes with lower prime factors to improve speed<br /> precomputation completed in 0.083601s<br /> saving input files to disk...<br /> 函数或变量 'attvalue_size' 无法识别。</p> <p>出错 h5writeatt&gt;createDatatypeId (line 186)<br /> elseif attvalue_size &gt; 0</p> <p>出错 h5writeatt (line 86)<br /> datatypeId = createDatatypeId(Attvalue, useUtf8);</p> <p>出错 writeMatrix (line 211)<br /> h5writeatt(filename, ['/' matrix_name], DOMAIN_TYPE_ATT_NAME, domain_type, 'TextEncoding', 'system');</p> <p>出错 kspaceFirstOrder_saveToDisk (line 462)<br /> writeMatrix(flags.save_to_disk, eval(variable_list{cast_index}), variable_list{cast_index}, hdf_compression_level);</p> <p>出错 kspaceFirstOrder2D (line 620)<br /> kspaceFirstOrder_saveToDisk;</p> <p>出错 kspaceFirstOrder3DC (line 532)<br /> eval(run_string);</p> <p>出错 kspaceFirstOrder2DG (line 76)<br /> sensor_data = kspaceFirstOrder3DC(varargin{:});</p> <p>出错 mydataset (line 69)<br /> sensor_data = kspaceFirstOrder2DG(kgrid, medium, source, sensor, input_args{:}); </p>