<< scatter

Graphics functions

semilogy >>

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semilogx

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Semilog plot (x-axis has log scale).

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Syntax

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semilogx(X, Y)

semilogx(X, Y, LineSpec)

semilogx(Y)

semilogx(Y, LineSpec)

semilogx(ax, ...)

semilogx(..., propertyName, propertyValue)

go = semilogx(...)

Input argument

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X

Log scale coordinates: scalar, vector or matrix.

Y

Linear scale coordinates: scalar, vector or matrix.

LineSpec

Line style, marker, and/or color: character vector or scalar string.

ax

a scalar graphics object value: parent container, specified as a axes.

propertyName

a scalar string or row vector character. see help of 'line' for property list.

propertyValue

a value.

Output argument

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go

a graphics object: line type.

Description

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semilogx(X, Y) plots data using a base 10 logarithmic scale for the x-axis and a normal (linear) scale for the y-axis.

semilogx has the exact same syntax as the plot command.

Examples

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f = figure();
x = logspace(-1,2);
semilogx(x, x);
grid on

f = figure();
x = logspace(-1, 2, 15);
y = 13 + x;
semilogx(x, y, 'x', 'MarkerFaceColor', [0 0.447 0.741])
grid on

See also

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semilogy, line, plot, grid.

History

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Version	Description
1.0.0	initial version

Author

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Allan CORNET